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トルエン 化学構造式
水質分析用標準溶液 トルエン (1mg/mL メタノール溶液);メチルベンゼン;3-メチルベンゼン;4-メチルベンゼン;1-メチルベンゼン;トルオール;(1H8)トルエン;トルエン CRM4003-A;トルエン(脱水);トルエン標準原液;トルエン (1mg/mLメタノール溶液) [水質分析用];トルエン [吸光分析用];トルエン(脱水) ‐SUPER‐;トルエン(脱水) ‐SUPER2 PLUS‐;トルエン, ACROSEALR;トルエン ACS REAGENT,≥99.5%;トルエン PURISS. P.A.,ACS REAGENT,≥99.7% (GC);トルエン クロマソルブ FOR ANALYSIS OF DIOXINS,FURANS AND PCB,≥99.7%;トルエン クロマソルブ PLUS,FOR HPLC,≥99.9%;トルエン クロマソルブ,FOR HPLC,99.9%
MOL File:

トルエン 物理性質

融点 :
-95 °C
沸点 :
111 °C
比重(密度) :
3.2 (vs air)
22 mm Hg ( 20 °C)
屈折率 :
n/D 1.496(lit.)
闪点 :
40 °F
貯蔵温度 :
40(at 25℃)
外見 :
Relative polarity:
臭い (Odor):
Aromatic, benzene-like odor detectable at 0.16 to 37 ppm (mean = 1.6 ppm)
臭気閾値(Odor Threshold):
爆発限界(explosive limit):
水溶解度 :
0.5 g/L (20 ºC)
Merck :
Henry's Law Constant:
1.05 at 40 °C, 1.68 at 50 °C, 2.62 at 60 °C, 3.15 at 70 °C, 3.97 at 80 °C (headspace-GC, Vane et al., 2001)
TLV-TWA 100 ppm (~375 mg/m3) (ACGIH, NIOSH, and MSHA), 200 ppm (~750 mg/ m3) OSHA; ceiling 300 ppm, peak 500 ppm/ 15 min (OSHA); STEL 150 ppm (ACGIH).
CAS データベース:
108-88-3(CAS DataBase Reference)
3 (Vol. 47, 71) 1999
Toluene (108-88-3)
  • リスクと安全性に関する声明
  • 危険有害性情報のコード(GHS)
主な危険性  F,Xn,T
Rフレーズ  11-38-48/20-63-65-67-39/23/24/25-23/24/25
Sフレーズ  36/37-46-62-45-16-7
RIDADR  UN 1294 3/PG 2
WGK Germany  2
RTECS 番号 XS5250000
自然発火温度 480 °C
国連危険物分類  3
容器等級  II
HSコード  29023000
有毒物質データの 108-88-3(Hazardous Substances Data)
毒性 LD50 orally in rats: 7.53 g/kg (Smyth)
消防法 危険物第4類第一石油類(非水溶性)
化審法 優先評価化学物質
安衛法 有機溶剤中毒予防規則:第2種有機溶剤,57,57-2
PRTR法 第1種指定化学物質
毒劇物取締法 III
注意喚起語 Danger
コード 危険有害性情報 危険有害性クラス 区分 注意喚起語 シンボル P コード
H225 引火性の高い液体および蒸気 引火性液体 2 危険 P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501
H302 飲み込むと有害 急性毒性、経口 4 警告 P264, P270, P301+P312, P330, P501
H304 飲み込んで気道に侵入すると生命に危険のおそ れ 吸引性呼吸器有害性 1 危険
H315 皮膚刺激 皮膚腐食性/刺激性 2 警告 P264, P280, P302+P352, P321,P332+P313, P362
H333 吸入すると有害のおそれ 急性毒性、吸入 5 P304+P312
H336 眠気やめまいのおそれ 特定標的臓器毒性、単回暴露; 麻酔作用 3 警告 P261, P271, P304+P340, P312,P403+P233, P405, P501
H361 生殖能または胎児への悪影響のおそれの疑い 生殖毒性 2 警告 P201, P202, P281, P308+P313, P405,P501
H373 長期にわたる、または反復暴露により臓器の障 害のおそれ 特定標的臓器有害性、単回暴露 2 警告 P260, P314, P501
P210 熱/火花/裸火/高温のもののような着火源から遠ざ けること。-禁煙。
P260 粉じん/煙/ガス/ミスト/蒸気/スプレーを吸入しないこ と。
P303+P361+P353 皮膚(または髪)に付着した場合:直ちに汚染された衣 類をすべて脱ぐこと/取り除くこと。皮膚を流水/シャワー で洗うこと。
P405 施錠して保管すること。

トルエン 価格 もっと(72)

メーカー 製品番号 製品説明 CAS番号 包装 価格 更新時間 購入
富士フイルム和光純薬株式会社(wako) W01W0120-1290
Toluene Standard Solution (1ug/ul Pentane Solution)
108-88-3 2mL×5A ¥8500 2020-09-21 購入
富士フイルム和光純薬株式会社(wako) W01W0120-1558
Toluene 5,000
108-88-3 3L ¥8800 2020-09-21 購入
富士フイルム和光純薬株式会社(wako) W01W0120-1558
Toluene 5,000
108-88-3 1L ¥3750 2020-09-21 購入
富士フイルム和光純薬株式会社(wako) W01W0120-1867
Toluene, Deoxidized
108-88-3 500mL ¥4200 2020-09-21 購入
富士フイルム和光純薬株式会社(wako) W01ACSAPP-9-198
Toluene, 100 ug/mL in MeOH
108-88-3 1mL ¥4400 2020-09-21 購入

トルエン MSDS


トルエン 化学特性,用途語,生産方法






水に不溶 (0.05g/100ml水, 25℃), エタノール, エーテルに混和。水にほとんど不溶。アセトン、エタノール、エーテルと混和。


























Toluene is a clear, colourless liquid with a sweet, benzene-like odour. Toluene occurs naturally in crude oil and in the toluene tree. It is also produced in the process of making gasoline and other fuels from crude oil and making coke from coal. Toluene is used in making paints, paint thinners, fingernail polish, lacquers, adhesives, and rubber and in some printing and leather tanning processes. Toluene is also used in the production of polymers used to make nylon, plastic soda bottles, and polyurethanes and for pharmaceuticals, dyes, cosmetic nail products, and the synthesis of organic chemicals.
Toluene has been reported as the most commonly abused hydrocarbon solvent, primarily through ‘glue sniffing’. The common possibilities of exposure to high levels of toluene include indoor air from the use of household products such as paints, paint thinners, adhesives, synthetic fragrances, and many other sources.


Toluene is a clear, colorless, flammable liquid with a sweet/pungent odor. It is extensively used as a solvent in different industries, i.e., rubber chemical manufacturing, drugs and pharmaceuticals, thinner for inks, paints dyes, and perfume manufacturing. It is a natural constituent of crude oil and is produced from petroleum refi ning and coke-oven operations. Toluene occurs naturally as a component of crude oil and occurs in petroleum refi ning and coke oven operations. Occupational workers associated with several kinds of activities, such as manufacturing of dyes, printing inks, painting automobile mechanics, gasoline manufacturers, shippers, and retailers, adhesives and coatings manufacturers and applicators, audio-equipment product workers, chemical industry workers, coke-oven workers, fabric manufacturers (fabric coating), sites of hazardous wastes, linoleum manufacturers, in pharmaceutical manufacturing, printing works, shoe manufacturing industry, become exposed to toluene.


Toluene is a clear, colorless, noncorrosive liquid with a sweet, pungent, benzene-like odor. The Odor Threshold in air is variously given as 0.17 ppm, 2.9 ppm (NJ) and 8 ppm (EPA). The Odor Threshold in water is 0.04-1.0 mg/L


Also known as methyl benezne or phenyl methane, C6H5CH3 is a flammable, toxic, colorless liquid. Insoluble in water and soluble in alcohol and ether, it is used in explosives,high-octane gasoline,and organic synthesis.


Colorless, clear, flammable liquid with a pleasant, sweet or paint-like odor similar to benzene. At 40 °C, the lowest concentration at which an odor was detected were 960 μg/L. Similarly at 25 °C, the lowest concentration at which a taste was detected was 960 μg/L (Young et al., 1996). Experimentally determined detection and recognition odor threshold concentrations were 600 μg/m3 (160 ppbv) and 7.0 mg/m3 (1.9 ppmv), respectively (Hellman and Small, 1974). Leonardos et al. (1969) reported higher odor threshold concentrations for toluene derived from coke (4.68 ppmv) and petroleum (2.14 ppmv). The average least detectable odor threshold concentrations in water at 60 °C and in air at 40 °C were 24 and 140 μg/L, respectively (Alexander et al., 1982). An odor threshold concentration of 330 ppbv was determined by a triangular odor bag method (Nagata and Takeuchi, 1990). Cometto-Mu?iz and Cain (1994) reported an average nasal pungency threshold concentration of 29,574 ppmv.


Toluene is a clear, flammable, aromatic hydrocarbon liquid with a smell similar to benzene. It is also called methylbenzene, indicating that a methyl group has been added to one of benzene’s carbon atoms. Toluene was first isolated by Pierre-Joseph Pelletier (1788–1842) and Philippe Walter (1810–1847) in 1837. The name toluene comes from the South American tree Toluifera balsamum. Henri-Etienne Sainte-Claire Deville (1818–1881) isolated toluene from the tree’s gum, Tolu balsam, in 1841.
The main source of toluene is from the catalytic reforming of naphthas during petroleum processing. During this process cycloalkanes are dehydrated, forming aromatics such as toluene and xylene along with hydrogen. Toluene can also be obtained from the pyrolysis of gasoline. It is a by-product when styrene is produced and can also be produced from coal tar, which was its main source in the first half of the 20th century.


Toluene is derived from coal tar as well aspetroleum. It occurs in gasoline and manypetroleum solvents. Toluene is used to producetrinitrotoluene (TNT), toluene diisocyanate,and benzene; as an ingredient fordyes, drugs, and detergents; and as an industrialsolvent for rubbers, paints, coatings, andoils.


Toluene has numerous applications in the chemical and petroleum industry, with approximately 6 million tons used annually in the United States and 16 million tons used globally. The major use of toluene is as an octane booster in gasoline. Toluene has an octane rating of 114. Toluene is one of the four principal aromatic compounds, along with benzene, xylene, and ethylbenzene, that are produced during refining to enhance gasoline's performance. Collectively, these four compounds are abbreviated as BTEX. BTEX is a major component of gasoline, forming about 18% by weight of a typical blend. Although the proportion of the aromatics is varied to produce different blends to meet geographic and seasonal requirements, toluene is one of the major components. A typical gasoline contains approximately 5% toluene by weight.
Toluene is a primary feedstock used to produce various organic compounds. It is usedto produce diisocyanates. Isocyanates contain the functional group ?N = C = O, and diisocyanatescontain two of these. The two main diisocyanates are toluene 2,4-diisocyanate andtoluene 2,6-diisocyanate. The production of diisocyanates in North America is close to a billionpounds annually. More than 90% of toluene diisocyanate production is used for makingpolyurethanes foams. The latter are used as flexible fill in furniture, bedding, and cushions.In rigid form it is used for insulation, hard shell coatings, building materials, auto parts, androller skate wheels.


In manufacture of benzoic acid, benzaldehyde, explosives, dyes, and many other organic Compounds; as a solvent for paints, lacquers, gums, resins; thinner for inks, perfumes, dyes; in the extraction of various principles from plants; as gasoline additive.


ChEBI: The simplest member of the class toluenes consisting of a benzene core which bears a single methyl substituent.


Benzene is produced from toluene through a process called hydrodealkylation. In thisprocess, toluene reacts with hydrogen in the presence of a chromium, platinum, or molybdenumcatalysts at temperatures of several hundred degrees Celsius and pressures of about50 atmospheres: C6H5CH3 + H2 → C6H6 + CH4. Toluene can also be used to producephenol, (C6H5OH), benzoic acid (C6H5COOH), and benzaldehyde (C6H5CHO). Nitratedforms of toluene produce explosive compounds; the most common of these is TNT (SeeTrinitrotoluene).

Synthesis Reference(s)

Canadian Journal of Chemistry, 55, p. 3755, 1977 DOI: 10.1139/v77-529
Chemistry Letters, 11, p. 1707, 1982
Tetrahedron Letters, 17, p. 2689, 1976


A clear colorless liquid with a characteristic aromatic odor. Flash point 40°F. Less dense than water (7.2 lb / gal) and insoluble in water. Hence floats on water. Vapors heavier than air. May be toxic by inhalation, ingestion or skin contact. Used in aviation and automotive fuels, as a solvent, and to make other chemicals.


Highly flammable. Insoluble in water.


Toluene reacts vigorously with allyl chloride or other alkyl halides even at minus 70° C in the presence of ethyl aluminum dichloride or ethyl aluminum sesquichloride. Explosions have been reported [NFPA 491M 1991]. Incompatible with strong oxidizing agents. When added to a tank of sulfur dichloride, the tank over pressurized and ruptured in a reaction thought to be catalyzed by iron or iron(III) chloride [Chem. Eng. News, 1988, 66(32), 2].


Flammable, dangerous fire risk. Explosive limits in air 1.27–7%. Toxic by ingestion, inhalation, and skin absorption. Visual impairment, female reproductive effects, and pregnancy loss. Questionable carcinogen.


Exposures to toluene cause adverse health effects to animals and humans. The symptoms of toxicity and poisoning include, but are not limited to, mild irritation to the skin, headache, nausea, and effects on the CNS. Prolonged exposure to high concentrations of toluene causes disturbances in vision, dizziness, nausea, CNS depression, paresthesia, and sudden collapse. The acute oral LD50 value of toluene in laboratory rats has been reported as 636–7300 mg/kg. Exposure to toluene has been reported to cause rapid and severe corneal damage and conjunctiva infl ammation. The acute dermal LD50 in rabbits was found to be between 1200 and 1400 mg/kg.


The acute toxicity of toluene is low. Toluene may cause eye, skin, and respiratory tract irritation. Short-term exposure to high concentrations of toluene (e.g., 600 ppm) may produce fatigue, dizziness, headaches, loss of coordination, nausea, and stupor; 10,000 ppm may cause death from respiratory failure. Ingestion of toluene may cause nausea and vomiting and central nervous system depression. Contact of liquid toluene with the eyes causes temporary irritation. Toluene is a skin irritant and may cause redness and pain when trapped beneath clothing or shoes; prolonged or repeated contact with toluene may result in dry and cracked skin. Because of its odor and irritant effects, toluene is regarded as having good warning properties.
The chronic effects of exposure to toluene are much less severe than those of benzene. No carcinogenic effects were reported in animal studies. Equivocal results were obtained in studies to determine developmental effects in animals. Toluene was not observed to be mutagenic in standard studies.


Vapors irritate eyes and upper respiratory tract; cause dizziness, headache, anesthesia, respiratory arrest. Liquid irritates eyes and causes drying of skin. If aspirated, causes coughing, gagging, distress, and rapidly developing pulmonary edema. If ingested causes vomiting, griping, diarrhea, depressed respiration.


The acute toxicity of toluene is similar to thatof benzene. The exposure routes are inhalation,ingestion, and absorption through theskin; and the organs affected from its exposureare the central nervous system, liver,kidneys, and skin. At high concentrations it is a narcotic. In humans, acute exposure canproduce excitement, euphoria, hallucination,distorted perceptions, confusion, headache,and dizziness. Such effects may be perceptibleat an exposure level of 200 ppm in air.Higher concentrations can produce depression,drowsiness, and stupor. Inhalation of10,000 ppm may cause death to humans fromrespiratory failure.
Toluene is metabolized to benzoic acidand finally, to hippuric acid and benzoylglucuronide.The latter two are excreted in urinealong with small amounts of cresols, formedby direct hydroxylation of toluene. Chronicexposure may cause some accumulation oftoluene in fatty tissues, which may be eliminatedover a period of time. The chroniceffects of toluene are much less severe to benzene.It is not known to cause bone marrowdepression or anemia. Animal tests showedno carcinogenic effects.


Behavior in Fire: Vapor is heavier than air and may travel a considerable distance to a source of ignition and flash back.


Toluene is a flammable liquid (NFPA rating = 3), and its vapor can travel a considerable distance to an ignition source and "flash back." Toluene vapor forms explosive mixtures with air at concentrations of 1.4 to 6.7% (by volume). Hazardous gases produced in fire include carbon monoxide and carbon dioxide. Carbon dioxide and dry chemical extinguishers should be used to fight toluene fires.


Toluene is a flammable liquid (NFPA rating = 3), and its vapor can travel a considerable distance to an ignition source and "flash back." Toluene vapor forms explosive mixtures with air at concentrations of 1.4 to 6.7% (by volume). Hazardous gases produced in fire include carbon monoxide and carbon dioxide. Carbon dioxide and dry chemical extinguishers should be used to fight toluene fires.


Reactivity with Water No reaction; Reactivity with Common Materials: No reactions; Stability During Transport: Stable; Neutralizing Agents for Acids and Caustics: Not pertinent; Polymerization: Not pertinent; Inhibitor of Polymerization: Not pertinent.


Poison by intraperitoneal route. Moderately toxic by intravenous and subcutaneous routes. Mddly toxic by inhalation. An experimental teratogen. Human systemic effects by inhalation: CNS recordtng changes, hallucinations or distorted perceptions, motor activity changes, antipsychotic, psychophysiological test changes, and bone marrow changes. Experimental reproductive effects. Mutation data reported. A human eye irritant. An experimental skin and severe eye irritant. Toluene is derived from coal tar, and commercial grades usually contain small amounts of benzene as an impurity. Inhalation of 200 ppm of toluene for 8 hours may cause impairment of coordtnation and reaction time; with higher concentrations (up to 800 ppm) these effects are increased and are observed in a shorter time. In the few cases of acute toluene poisoning reported, the effect has been that of a narcotic, the workman passing through a stage of intoxication into one of coma. Recovery following removal from exposure has been the rule. An occasional report of chronic poisoning describes an anemia and leukopenia, with biopsy showing a bone marrow hypoplasia. These effects, however, are less common in people working with toluene, and they are not as severe. At 200-500 ppm, headache, nausea, eye irritation, loss of appetite, a bad taste, lassitude, impairment of coordination and reaction time are reported, but are not usually accompanied by any laboratory or physical findings of significance. With higher concentrations, the above complaints are increased and in addition, anemia, leukopenia, and enlarged liver may be found in rare cases. A common air contaminant, emitted from modern building materials - (CENEAR 69,22,91). Used in production of drugs of abuse. Flammable liquid. A very dangerous fire hazard when exposed to heat, flame, or oxidizers. Explosive in the form of vapor when exposed to heat or flame. Explosive reaction with 1,3-dtchloro-5,5-dimethyl-2,4- imidazolididione, dinitrogen tetraoxide, concentrated nitric acid, H2SO4 + HNO3, N2O4, AgClO4, BrF3, UF6, sulfur dichloride. Forms an explosive mixture with tetranitromethane. Can react vigorously with oxidtzing materials. To fight fire, use foam, CO2, dry chemical. When heated to decomposition it emits acrid smoke and irritating fumes.


Toluene is used as an industrial chemical, chemical intermediate; solvent, and emulsifier; may be encountered in the manufacture of benzene. It is also used as a chemical feed for toluene diisocyanate, phenol, benzyl and benzoyl derivatives; benzoic acid; toluene sulfonates; nitrotoluenes, vinyltoluene, and saccharin; as a solvent for paints and coatings; or as a component of automobile and aviation fuels.


The IARC has determined that there is evidence for the lack of carcinogenicity of toluene in experimental animals and that there is inadequate evidence for carcinogenicity in humans. Results of in vitro assays generally indicate that toluene is not genotoxic. Reports of increased incidences of sister chromatid exchanges and chromatid breaks in exposed workers are confounded by concurrent exposure to other organic chemicals.


Detected in distilled water-soluble fractions of 87 octane gasoline (25.9 mg/L), 94 octane gasoline (86.9 mg/L), Gasohol (60.8 mg/L), No. 2 fuel oil (1.54 mg/L), jet fuel A (1.05 mg/L), diesel fuel (0.86 mg/L), military jet fuel (JP-4 (32.0 mg/L) (Potter, 1996), new motor oil (16.3 to 16.9 8 μg/L), and used motor oil (781–814 μg/L) (Chen et al., 1994). The average volume percent and estimated mole fraction in American Petroleum Institute PS-6 gasoline are 3.519 and 0.04392, respectively (Poulsen et al., 1992). Schauer et al. (1999) reported toluene in a diesel-powered medium-duty truck exhaust at an emission rate of 3,980 μg/km. Diesel fuel obtained from a service station in Schlieren, Switzerland contained toluene at an estimated concentration of 374 mg/L (Schluep et al., 2001).
Thomas and Delfino (1991) equilibrated contaminant-free groundwater collected from Gainesville, FL with individual fractions of three individual petroleum products at 24–25 °C for 24 h. The aqueous phase was analyzed for organic compounds via U.S. EPA approved test method 602. Average toluene concentrations reported in water-soluble fractions of unleaded gasoline, kerosene, and diesel fuel were 23.676, 1.065, and 0.552 mg/L, respectively. When the authors analyzed the aqueous-phase via U.S. EPA approved test method 610, average toluene concentrations in water-soluble fractions of unleaded gasoline, kerosene, and diesel fuel were lower, i.e., 12.969, 0.448, and 0.030 mg/L, respectively.
Kaplan et al. (1996) determined toluene concentrations in four different grades of gasolines. Average toluene concentrations were 32.6 g/L in regular unleaded gasoline, 28.7 g/L in leaded gasoline, 36.7 g/L in unleaded plus gasoline, and 40.9 g/L in Super unleaded gasoline. Harley et al. (2000) analyzed the headspace vapors of three grades of unleaded gasoline where ethanol was added to replace methyl tert-butyl ether. The gasoline vapor concentrations of toluene in the headspace were 1.9 wt % for regular grade, 1.8 wt % for mid-grade, and 2.0 wt % for premium grade.
In 7 coal tar samples, toluene concentrations ranged from ND to 7,000 ppm (EPRI, 1990). Detected in 1-yr aged coal tar film and bulk coal tar at concentrations of <75 and 220 mg/kg, respectively (Nelson et al., 1996). A high-temperature coal tar contained toluene at an average concentration of 0.25 wt % (McNeil, 1983).
Identified as one of 140 volatile constituents in used soybean oils collected from a processing plant that fried various beef, chicken, and veal products (Takeoka et al., 1996). Schauer et al. (2001) measured organic compound emission rates for volatile organic compounds, gas-phase semi-volatile organic compounds, and particle-phase organic compounds from the residential (fireplace) combustion of pine, oak, and eucalyptus. The gas-phase emission rate of toluene was 158 mg/kg of pine burned. Emission rates of toluene were not measured during the combustion of oak and eucalyptus.
Reported as an impurity (≤ 0.8 wt %) in 98.5 wt % benzyl mercpatan (Chevron Phillips, April 2005).
Drinking water standard (final): MCLG: 1 mg/L; MCL: 1 mg/L. In addition, a DWEL of 7 μg/L was recommended (U.S. EPA, 2000).


Biological. Toluene can undergo two types of microbial attack. The first type proceeds via immediate hydroxylation of the benzene ring, followed by ring cleavage. The second type of attack proceeds via oxidation of the methyl group followed by hydroxylation and ring cleavage (Fewson, 1981). A mutant of Pseudomonas putida oxidized toluene to (+)-cis-2,3-dihydroxy-1- methylcyclohexa-1,4-diene (Dagley, 1972). Claus and Waker (1964) reported that Pseudomonas sp. and an Achromobacter sp. oxidized toluene to 3-methylcatechol. Other metabolites identified in the microbial degradation of toluene include cis-2,3-dihydroxy-2,3-dihydrotoluene, 3- methylcatechol, benzyl alcohol, benzaldehyde, benzoic acid, catechol (quoted, Verschueren, 1983), and 1-hydroxy-2-naphthoic acid (Claus and Walker, 1964). In a methanogenic aquifer material, toluene degraded completely to carbon dioxide (Wilson et al., 1986). In activated sludge, 26.3% of the applied toluene mineralized to carbon dioxide after 5 d (Freitag et al., 1985). Based on a first-order degradation rate constant of 0.07/yr, the half-life of toluene is 39 d (Zoeteman et al., 1981).
Photolytic. Cox et al. (1980) reported a rate constant of 7.2 x 10-12 cm3/molecule?sec for the reaction of gaseous toluene with OH radicals based on a value of 8 x 10-12 cm3/molecule?sec for the reaction of ethylene with OH radicals.
Surface Water. Mackay and Wolkoff (1973) estimated an evaporation half-life of 30.6 min from a surface water body that is 25 °C and 1 m deep.
Groundwater. Nielsen et al. (1996) studied the degradation of toluene in a shallow, glaciofluvial, unconfined sandy aquifer in Jutland, Denmark. As part of the in situ microcosm study, a cylinder that was open at the bottom and screened at the top was installed through a cased borehole approximately 5 m below grade. Five liters of water was aerated with atmospheric air to ensure aerobic conditions were maintained. Groundwater was analyzed weekly for approximately 3 months to determine toluene concentrations with time. The experimentally determined firstorder biodegradation rate constant and corresponding half-life following a 5-d lag phase were 0.4/d and 1.73 d, respectively.
Photolytic. Synthetic air containing gaseous nitrous acid and toluene exposed to artificial sunlight (λ = 300–450 nm) yielded methyl nitrate, peroxyacetal nitrate, and a nitro aromatic compound tentatively identified as a nitrophenol or nitrocresol (Cox et al., 1980). A n-hexane solution containing toluene and spread as a thin film (4 mm) on cold water (10 °C) was irradiated by a mercury medium pressure lamp. In 3 h, 26% of the toluene photooxidized into benzaldehyde, benzyl alcohol, benzoic acid, and m-cresol (Moza and Feicht, 1989). Methane and ethane were reported as products of the gas-phase photolysis of toluene at 2537 ? (Calvert and Pitts, 1966).
Chemical/Physical. Products identified from the reaction of toluene with nitric oxide and OH radicals include benzaldehyde, benzyl alcohol, 3-nitrotoluene, p-methylbenzoquinone, and o-, m-, and p-cresol (Kenley et al., 1978). Gaseous toluene reacted with nitrate radicals in purified air forming the following products: benzaldehyde, benzyl alcohol, benzyl nitrate, and 2-, 3-, and 4- nitro-toluene (Chiodini et al., 1993). Under atmospheric conditions, the gas-phase reaction with OH radicals and nitrogen oxides resulted in the formation of benzaldehyde, benzyl nitrate, 3- nitrotoluene, and o-, m-, and p-cresol (Finlayson-Pitts and Pitts, 1986; Atkinson, 1990).

Solubility in organics

Soluble in acetone, carbon disulfide, and ligroin; miscible with acetic acid, ethanol, benzene, ether, chloroform (U.S. EPA, 1985), and other organic solvents including xylenes, toluene, and ethylbenzene.


toluene should be used only in areas free of ignition sources, and quantities greater than 1 liter should be stored in tightly sealed metal containers in areas separate from oxidizers.


UN1294 Toluene, Hazard Class: 3; Labels: 3-Flammable liquid.


Dry toluene with CaCl2, CaH2 or CaSO4, and dry further by standing with sodium, P2O5 or CaH2. It can be fractionally distilled from sodium or P2O5. Unless specially purified, toluene is likely to be contaminated with methylthiophenes and other sulfur-containing impurities. These can be removed by shaking with conc H2SO4, but the temperature must be kept below 30o if sulfonation of toluene is to be avoided. A typical procedure consists of shaking toluene twice with cold conc H2SO4 (100mL of acid per L), once with water, once with aqueous 5% NaHCO3 or NaOH, again with H2O, then drying successively with CaSO4 and P2O5, with final distillation from P2O5 or over LiAlH4 after refluxing for 30minutes. Alternatively, the treatment with NaHCO3 can be replaced by boiling under reflux with 1% sodium amalgam. Sulfur compounds can also be removed by prolonged shaking of the toluene with mercury, or by two distillations from AlCl3, the distillate then being washed with water, dried with K2CO3 and stored with sodium wire. Other purification procedures include refluxing and distillation of sodium dried toluene from diphenylpicrylhydrazyl, and from SnCl2 (to ensure freedom from peroxides). It has also been co-distilled with 10% by volume of ethyl methyl ketone, and again fractionally distilled. [Brown & Pearsall J Am Chem Soc 74 191 1952.] For removal of carbonyl impurities see *benzene. Toluene has been purified by distillation under nitrogen in the presence of sodium benzophenone ketyl. Toluene has also been dried with MgSO4, after the sulfur impurities have been removed, and then fractionally distilled from P2O5 and stored in the dark [Tabushi et al. J Am Chem Soc 107 4465 1985]. Toluene can be purified by passage through a tightly packed column of Fuller's earth. Rapid purification: Alumina, CaH2 and 4A molecular sieves (3% w/v) may be used to dry toluene (6hours stirring and standing). Then the toluene is distilled, discarding the first 5% of distillate, and is stored over molecular sieves (3A, 4A) or Na wire. [Beilstein 5 H 280, 5 I 144, 5 II 209, 5 III 651, 5 IV 766.]


Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides. Violent reaction with mixtures of nitric and sulfuric acid.


Consult with environmental regulatory agencies for guidance on acceptable disposal practices. Generators of waste containing this contaminant (≥100 kg/mo) must conform with EPA regulations governing storage, transportation, treatment, and waste disposal.

トルエン 上流と下流の製品情報



イソシアン酸2-チエニル フルオレセイン クロリド 酪酸(R)-グリシジル 1-(2-クロロベンジル)ピペラジン 5-ブロモピリジン-2-カルボニルクロリド, TECH GRADE ジエチレングリコールモノヘキシルエーテル 4-オキソテトラヒドロチオフェン-3-カルボン酸メチル (メトキシメチル)トリフェニルホスホニウムクロリド 1,2-ジアミノ-2-メチルプロパン N-クロロメチルフタルイミド トリス(4-ノニルフェノキシ)ホスフィン ビス(ベンゾニトリル)パラジウム(II)ジクロリド 1,3-ジメチル-2-(2-フリル)イミダゾリジン 1-ブチル-3-メチルイミダゾリウムブロミド アンチモン(III) 1-(3-クロロベンジル)ピペラジン 3-チオフェンカルボン酸クロリド 3-イソシアナトベンゾニトリル ジクロロ(1,5-シクロオクタジエン)パラジウム(II) 6-フルオロ-4-ヒドロキシ-2-(トリフルオロメチル)キノリン 4-アミノ-6-クロロ-5-ピリミジンカルボアルデヒド トリメチルアミンN-オキシド (無水) (11AS)-10,11,12,13-テトラヒドロ-N,N-ジメチル-ジインデノ[7,1-DE:1',7'-FG][1,3,2]ジオキサホスホシン-5-アミン 塩酸 フェニレフリン N,O-ビス(トリメチルシリル)アセトアミド 5-メトキシピリジン-3-ボロン酸 4,6-ジメトキシ-2-ピリミジニルイソシアナート ジシクロペンタジエニルクロミウム 1-(2,6-ジメチルフェニル)ピペラジン 5-ブロモ-2,4-ジ-TERT-ブトキシピリミジン 2,2-ジメチルシクロヘキサノン 1,3-イソシアン酸ベンゾジオキソール-5-イル 4-ヒドロキシ安息香酸 n-ヘプチル

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