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75-05-8

75-05-8 Structure

75-05-8 Structure
IdentificationMore
[Name]

Acetonitrile
[CAS]

75-05-8
[Synonyms]

ACETONITRILE-190
ACETONITRILE-212
ACETONITRILE 300
ACETONITRILE 5000
ACETONITRILE-H8
ACETONITRILE METHYL CYANIDE
ACETONITRILE/TFA
ACN
AKOS BBS-00004274
AN
AUTONITRITE
CYANOMETHANE
ETHANENITRILE
ETHYL NITRILE
METHYL CYANIDE
MOBILE PHASE ACETONITRILE
R5, ACETONITRILE
S4B, ACETONITRILE
SOLVENT B, ACETONITRILE
Acetonitril
[EINECS(EC#)]

200-835-2
[Molecular Formula]

C2H3N
[MDL Number]

MFCD00001878
[Molecular Weight]

41.05
[MOL File]

75-05-8.mol
Chemical PropertiesBack Directory
[Description]

Acetonitrile is a colourless liquid, with an ether-like odour, and a polar solvent. Acetonitrile is predominantly used as a solvent in the manufacture of pharmaceuticals, for spinning fibers and for casting and molding of plastic materials, in lithium batteries, for the extraction of fatty acids from animal and vegetable oils, and in chemical laboratories for the detection of materials such as pesticide residues. Acetonitrile is also used in dyeing textiles and in coating compositions as a stabilizer for chlorinated solvents and in perfume production as a chemical intermediate. It is a by-product from the manufacture of acrylonitrile, and acetonitrile has, in fact, replaced the acrylonitrile. It is used as a starting material for the production of acetophenone, alpha-naphthaleneacetic acid, thiamine, and acetamidine. It has been used as a solvent in making pesticides, pharmaceuticals, batteries, rubber products, and formulations for nail polish remover despite its low but significant toxicity. Acetonitrile has been banned in cosmetic products in the European Economic Area (EEA) since early 2000, and acetone and ethyl are often preferred as safer for domestic use. Acetonitrile has a number of uses: primarily as an extraction solvent for butadiene; as a chemical intermediate in pesticide manufacturing; as a solvent for both inorganic and organic compounds to remove tars, phenols, and colouring matter from petroleum hydrocarbons not soluble in acetonitrile; in the production of acrylic fibres; and in pharmaceuticals, perfumes, nitrile rubber, and acrylonitrile butadiene styrene (ABS) resins; in high-performance liquid and gas chromatographic analysis; and in extraction and refining of copper.
[Appearance]

Acetonitrile is an extremely flammable, colorless liquid with an ethereal odor
[Appearance]

Colorless liquid
[mp ]

−48 °C(lit.)
[bp ]

81-82 °C(lit.)
[density ]

0.982 g/mL at 20 °C
[vapor density ]

1.41 (vs air)
[vapor pressure ]

72.8 mm Hg ( 20 °C)
[refractive index ]

n20/D 1.344(lit.)
[Fp ]

48 °F
[storage temp. ]

2-8°C
[form ]

liquid
[color ]

<10(APHA)
[Stability:]

Stability Unstable. Incompatible with alkali metals, acids, bases, reducing agents and oxidizing agents. Highly flammable.
[Water Solubility ]

miscible
[Merck ]

14,70
[Detection Methods]

GC
[BRN ]

741857
[CAS DataBase Reference]

75-05-8(CAS DataBase Reference)
[NIST Chemistry Reference]

Acetonitrile(75-05-8)
[Storage Precautions]

Moisture sensitive;Store under nitrogen
[EPA Substance Registry System]

75-05-8(EPA Substance)
Safety DataBack Directory
[Hazard Codes ]

F,Xi,Xn,T
[Risk Statements ]

R11:Highly Flammable.
R36:Irritating to the eyes.
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
R10:Flammable.
R36/37/38:Irritating to eyes, respiratory system and skin .
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed .
R41:Risk of serious damage to eyes.
R24:Toxic in contact with skin.
R20/22:Harmful by inhalation and if swallowed .
[Safety Statements ]

S16:Keep away from sources of ignition-No smoking .
S36/37:Wear suitable protective clothing and gloves .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S27:Take off immediately all contaminated clothing .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
[RIDADR ]

UN 1993 3/PG 3
[WGK Germany ]

2
[RTECS ]

AL7700000
[F ]

9
[Hazard Note ]

Highly Flammable/Harmful/Irritant
[HazardClass ]

3
[PackingGroup ]

II
[HS Code ]

29269095
[Safety Profile]

Poison by ingestion and intraperitoneal routes. Moderately toxic by several routes. An experimental teratogen. Other experimental reproductive effects. A skin and severe eye irritant. Human systemic effects by ingestion: convulsions, nausea or vomiting, and metabolic acidosis. Human respiratory system effects by inhalation. Mutation data reported. Dangerous fire hazard when exposed to heat, flame, or oxidizers. Explosion Hazard: See also CYANIDE and NITRILES. When heated to decomposition it emits highly toxic fumes of CNand NOx,. Potentially explosive reaction with lanthanide perchlorates and nitrogen-fluorine compounds. Exothermic reaction with sulfuric acid at 53°C. Will react with water, steam, acids to produce toxic and flammable vapors. Incompatible with oleum, chlorosulfonic acid, perchlorates, nitrating agents, inchum, dinitrogen tetraoxide, N-fluoro compounds (e.g., perfluorourea + acetonitrile), HNO3, so3. To fight fire, use foam, Con, dry chemical
[Hazardous Substances Data]

75-05-8(Hazardous Substances Data)
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Sulfuric acid -->Potassium hydroxide -->Ammonia-->Potassium permanganate-->Aluminum oxide -->Acrylonitrile-->Ammonium acetate-->Acetamide-->Carbon-->CALCIUM HYDRIDE-->MOLECULAR SIEVE-->Sodium diethyldithiocarbamate-->MOLECULAR SIEVES
[Preparation Products]

1-(3-Aminopropyl)piperidine-->Benzoylacetonitrile-->Methyl 3-(morpholinomethyl)benzoate ,98%-->6-Bromopurine-->4-(2-Hydroxyethoxy)benzaldehyde-->5-BROMO-2-(PYRROLIDIN-1-YL)PYRIMIDINE-->METHYL 3-((PYRROLIDIN-1-YL)METHYL)BENZOATE-->1-BENZYL-2-IMIDAZOLECARBOXYLIC ACID-->Demosan-->CIS-2-AMINOCYCLOHEXANOL HYDROCHLORIDE-->2-Amino-5-chlorobenzonitrile-->BIS(DIISOPROPYLAMINO)CHLOROPHOSPHINE-->(E)-METHYL 3-(4-BROMOPHENYL)ACRYLATE-->2-Hydroxy-5-bromopyridine-->1-Boc-piperazine-->QUINOLINE-2-CARBONITRILE-->4-AMINO-2-BUTANOL-->TRIETHANOLAMINE BORATE-->5-(TRIFLUOROMETHYL)-1-PHENYL-1H-PYRAZOLE-->Dimethyl acetylmethylphosphonate-->1,1'-Bis(diphenylphosphino)ferrocene-palladium(II)dichloride dichloromethane complex-->1-Naphthalenesulfonyl chloride-->3-AMINO-1-PHENYL-PROPAN-1-OL-->6-CHLORO-[1,2,4]TRIAZOLO[4,3-B]PYRIDAZINE-->4-Methyl-3-nitroanisole-->2,2,2-TRIFLUORO-1-(3-(TRIFLUOROMETHYL)-1-METHYL-1H-PYRAZOL-4-YL)ETHANONE-->1-Phenylimidazole-->1-(1-TERT-BUTYL-3-(TRIFLUOROMETHYL)-1H-PYRAZOL-4-YL)-2,2,2-TRIFLUOROETHANONE-->1-PIPERIDINEPENTANOL-->[1,2-Bis(diphenylphosphino)ethane]dichloropalladium(II)-->CIS-9-TETRADECENYL ACETATE-->Bis(2,4-pentanedionato-O,O')palladium(II)-->6-(BOC-AMINO)-HEXYL BROMIDE-->Dichloro(1,5-cyclooctadiene)palladium(II)-->2-THENOYLACETONITRILE-->Boron trifluoride acetonitrile complex-->ISOPROPYLSULFONYL CHLORIDE-->Hexadecyltrimethylammonium hydroxide-->Bis(acetonitrile)dichloropalladium(II)-->N-Cyano etrhl ethyl midxite
Hazard InformationBack Directory
[General Description]

A colorless limpid liquid with an aromatic odor. Flash point 42°F. Density 0.783 c/cm3. Toxic by skin absorption. Less dense than water. Vapors are denser than air.
[Reactivity Profile]

ACETONITRILE(75-05-8) decomposes when heated to produce deadly toxic hydrogen cyanide gas and oxides of nitrogen. Strongly reactive [Hawley]. May react vigorously with strong oxidizing reagents, sulfuric acid, chlorosulfonic acid, sulfur trioxide, perchlorates, nitrating reagents, and nitric acid. [Sax, 9th ed., 1996, p. 20]. Potentially explosive in contact with nitrogen-fluorine compounds (e.g., tetrafluorourea) [Fraser, G. W. et al., Chem. Comm., 1966, p. 532].
[Air & Water Reactions]

Highly flammable. Water soluble.
[Health Hazard]

Acetonitrile liquid or vapor is irritating to the skin, eyes, and respiratory tract. Acetonitrile has only a modest toxicity, but it can be metabolized in the body to hydrogen cyanide and thiocyanate. Acetonitrile causes delayed symptoms of poisoning (several hours after the exposure) that include, but are not limited to, salivation, nausea, vomiting, anxiety, confusion, hyperpnea, dyspnea, respiratory distress, disturbed pulse rate, unconscious- ness, convulsions, and coma. Cases of acetonitrile poisoning in humans (or, more strictly, of cyanide poisoning after exposure to acetonitrile) are rare but not unknown, by inha- lation, ingestion, and (possibly) by skin absorption. Repeated exposure to acetonitrile may cause headache, anorexia, dizziness, weakness, and macular, papular, or vesicular dermatitis.
[Health Hazard]

Exposure to 160 ppm for 4 hours causes flushing of the face and a feeling of constriction in the chest; 500 ppm for brief periods is irritating to the nose and throat. Severe exposures cause irritability, skin eruptions, confusion, delirium, convulsions, paralysis, and death due to central nervous system depression.
[Potential Exposure]

Acetonitrile is used as an extractant for animal and vegetable oils, as a solvent; particularly in the pharmaceutical industry, and as a chemical intermediate in pesticide manufacture; making batteries and rubber products. It is present in cigarette smoke
[First aid]

Acetonitrile can cause fatal Cyanide poisoning. A cyanide antidote kit should be kept in the immediate work area and must be rapidly available. Kit ingredients should be replaced every 1 2 years to ensure freshness. Persons trained in the use of this kit; oxygen use, and CPR must be available within 1 2 minutes. In the event of overexposure, and/or symptoms: move victim to fresh air; call emergency medical care. Give Amyl Nitrate capsules (as directed, by trained personnel only). If this chemical gets into the eyes, remove any contact lenses at once, and irrigate immediately for at least 15 minutes, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts the skin, quickly remove contaminated clothing and wash with large amounts of water. Speed in removing material from skin is of extreme importance. Seek medical attention immediately. When this chemical has been swallowed, get medical attention immediately. If this chemical has been inhaled, remove from exposure and transfer promptly to a medical facility. If not breathing, give artificial respiration (avoid mouth to mouth resuscitation). If breathing is difficult, give oxygen. If heart has stopped, begin CPR. Keep victim quiet and maintain normal body temperature. Effects may be delayed; keep victim under observation. Avoid contact with contaminated skin. Observe victim for 24 to 48 hours.
[Shipping]

UN1648 Acetonitrile, Hazard Class: 3; Labels: 3-Flammable liquid
[Incompatibilities]

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, chlorosulfonic acid, oleum, epoxides. May accumulate static electrical charges, and may cause ignition of its vapors. Nitriles may polymerize in the presence of metals and some metal compounds. They are incompatible with acids; mixing nitriles with strong oxidizing acids can lead to extremely violent reactions. Nitriles are generally incompatible with other oxidizing agents such as peroxides and epoxides. The combination of bases and nitriles can produce hydrogen cyanide. Nitriles are hydrolyzed in both aqueous acid and base to give carboxylic acids (or salts of carboxylic acids). These reactions generate heat. Peroxides convert nitriles to amides. Nitriles can react vigorously with reducing agents. Acetonitrile and propionitrile are soluble in water, but nitriles higher than propionitrile have low aqueous solubility. They are also insoluble in aqueous acids
[Waste Disposal]

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. Incineration with nitrogen oxide removal from effluent gases by scrubbers or incinerators
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

Cyanomethane(75-05-8).msds
Questions And AnswerBack Directory
[The simplest organic nitrile]

Acetonitrile is the simplest organic nitrile, usually also called as nitrile methyl cyanide and methane. It is a colorless transparent liquid at room temperature. It is highly volatile, with special smell like ether, and flammable with flame burning brightly. It is mutually soluble in water, methanol, carbon tetrachloride, methyl acetate, ethyl acetate, ethylene dichloride, and many other non-saturated hydrocarbon solvents. It is toxic and can be metabolized into hydrogen cyanide and thiocyanate. Acetonitrile is a good solvent with excellent performance and is an important organic intermediate. It is also widely used as a polar aprotic solvent. The biggest application of acetonitrile is as a solvent which can be used as the solvents for the synthesis of vitamin A, cortisone, carbon amine drugs and their intermediates solvent. It also used as an active medium solvent in the manufacture of vitamin B1 and amino acids. It can substitute chlorinated solvents as a vinyl coating, an extracting agent of fatty acid, a alcohol denaturant, the extracting agent of butadiene, and the solvent of acrylonitrile synthetic fibers. It also has a lot of applications in fabric dyeing, light industry, spice manufacturing, and photographic materials manufacturing.

Acetonitrile Structure
[Toxic and hazardous effects]

Acetonitrile class is produced by heating a mixture of glacial acetic acid and acetamide. It is an important industrial solvent primarily used for the medium of organic synthesis (e.g. acetophenone, 1-naphthyl acetic acid, thiamine, etc.), extracting agent of fatty acids, and alcohol denaturant. During the production process, exposure to liquid or vapor may cause poisoning.
[Clinical manifestations] Acute and occupational acetonitrile poisoning is not uncommon. There are many reports at both home and abroad. Vapor of acetonitrile has mild irritation so it can cause some degree of upper respiratory tract irritation in the case of high concentrations. Compared with hydrogen cyanide, acetonitrile although causes symptoms like nausea, vomiting, abdominal pain, diarrhea, chest pain, fatigue, and weakness, even respiratory depression in severe case, sometimes also causes hypotension, coma, and convulsions, but its onset process is relatively slow with the incubation period over 4H; nor does it cause illness as severe as hydrogen cyanide. It also rarely causes sudden death; For poisoned patients, their heart rates, pulse rates as well as the respiration rates decrease. They often got pale faces and also suffer kidney impairment like protein-urine. The toxicity of acetonitrile is not only related to the released CN-in vivo but also related to itself and its thiocyanate metabolites. There are currently no clinic products for treating chronic acetonitrile poisoning.
[Diagnosis and differential diagnosis] Diagnosis is mainly based on reliable history of exposure to large doses of acetonitrile and clinical characteristics, the appearance of similar poisoning effects for mutual contractees plays a obvious indication role; timely determination of plasma CN-, SCN-, and acetonitrile content is also indicative, and is the biomarker of contacting with acetonitrile. However, it cannot tell the existence and extent of poisoning. Acute acetonitrile poisoning should be paid attention to distinguish with toxic poisoning caused by other industrial toxic substance such as organic solvents, asphyxiating gas. It should also be distinguished from cerebrovascular accident, diabetic coma.
[Treatment] Refer to the content on treatment of hydrogen cyanide but cut the dose of methemoglobin forming agent by half. In the presence of sodium thiosulfate, we can apply in early phase of the slowly acted methemoglobin generation agents such as amino benzene acetone (PAPP). Taken one orally each time, and can repeat for every 4H. For the next day, maintaining with sodium thiosulfate is enough. The dosage of sodium thiosulfate can also be cut by half two days later and totally stopped after 3 to 5 days. Because of the toxic effect of the acetonitrile, when apply it as the antidote of cyanide antidote, people should be particularly participate in actively supportive treatment according to the symptomatic and supportive treatment, pay attention to the function maintenance of the heart, lung, brain, and apply rehydration for diuresis to accelerate the toxic discharge and reduce kidney impairment.
[Purification methods]

Industrially, acetonitrile is a byproduct of the reaction between propylene and ammonia which produces acrylonitrile, so often acetonitrile often contains water, acrylonitrile, ether, ammonia and some other impurities, even hydrolyzed acetic acid and ammonia. The purification method is as below:
1. Add phosphorus pentoxide (10-20g/L) into acetonitrile; heat and reflux until reaching colorless which can remove most water; avoid adding an excess of phosphorus pentoxide which will generate an orange polymer. Add a small amount of potassium carbonate into the distilled acetonitrile and continue distillation which can further remove excess phosphorus pentoxide; finally fractionate by fractional distillation column.
2. Use 36 g of mashed potassium permanganate and 28 g of mashed potassium carbonate to reflux 1L common anhydrous acetonitrile for 5 hours before evaporate it. Then add 10g of phosphorus pentoxide to the evaporated solvent; reflux for another 5 hours, fine slip, keeping the temperature constant, take the fraction of 81 °C.
3. Adding 4A molecular sieves or silica gel and shaking can also remove most of the water in acetonitrile. Next, stir it together with the calcium hydroxide until no hydrogen being further released; fractionate to get acetonitrile which also contain only a small amount of water without the existence of any acetate.
4. Acetonitrile can also be mixed together with methylene chloride, benzene and trichlorethylene for azeotropic distillation and drying.
The above information is edited by the Chemicalbook of Dai Xiongfeng.
[Laboratory use]

Acetonitrile is also used as a polar aprotic solvent.
In inorganic chemistry, acetonitrile is widely used as a ligand which is abbreviated MeCN. For example, acetonitrile complex PdCl2 (MeCN)2 can be produced by thermal polymerization of palladium chloride in the suspension of acetonitrile.
The high dielectric constant of acetonitrile makes it a popular cyclic voltammetry of solvents. Acetonitrile can also be used as a two-carbon raw material in organic synthesis. It can produce malononitrile via reaction with cyanogen chloride.
Acetonitrile can also be used as the mobile phase molecules which are commonly used in the column chromatography, more modernized high performance liquid chromatography (HPLC).
In the field of nuclear medicine, acetonitrile is used for the synthesis of radiopharmaceutical like fluoro-deoxy-glucose positron (FDG). During the synthesis of FDG, the evaporation of acetonitrile can take away the water in the reaction system. The exact content of acetonitrile in the reaction system plays a significant role in ensuring the synthesis efficiency and quality of medicines; at the same time, acetonitrile is also sued as the solvent and the matrix for the reaction system. In addition, in the routine quality inspection of FDG, acetonitrile: water mixture (for example, 85% v/v) is also applied as the mobile phase of TLC.
[Uses]

Acetonitrile is the raw material for preparing orthoacetate. It is also used as the intermediate of producing DV-acid methyl ester and 2-chloro-3,3,3-trifluoro-1-propenyl-2,2-dimethyl cyclopropanecarboxylate. It can also be used as the raw materials of making pyrimidine derivatives which is the intermediate of sulfonylurea herbicides. Moreover, it can be used for making vitamin B1 in the field of pharmaceutical industry and as the extraction agent of C4 fraction in the synthetic rubber industry.
Used as nitrile rubber monomer; Used for pharmaceutical industry and extraction of carbon IV.
As standard reference in chromatographic analysis; also as solvent and stationary phase for gas chromatography.
The major application of acetonitrile is as a solvent such as solvents for butadiene extraction, solvent for synthetic fibers and solvents for some special paints. In the oil industry, acetonitrile is used as the solvent for removing tar, phenol and other substances from petroleum hydrocarbons. It is also used as the solvent for extracting fatty acids from vegetable and animal oil in the fatty acid industry, and used as the reaction medium of the recrystallization of steroidal drugs in medicine industry. The binary azeotropic mixtures of acetonitrile and water are often used when a polar solvent of high dielectric constant is demanded: containing 84% acetonitrile, boiling point: 76 °C. Acetonitrile is used as the intermediate of pharmaceutical (vitamin B1) and spices, as the raw materials for making the synergist of triazine nitrogenous fertilizer, and also as a denaturant for ethyl alcohol. Moreover, it can also be used for synthesizing ethylamine, acetic acid, etc., and have many applications in textile dyeing and light industry.
It is used as the solvent of most inorganic compounds. It is also used as the solvent for spectrophotometric measurement, as a non-aqueous solvent, and as the diluents for determination of the carboxyl group. Furthermore, it is also applied in recrystallization of steroids and extraction of fatty acid, and also used as the solvents of High pressure liquid chromatography (HPLC).
[Production method]

There are many ways of making acetonitrile. Those major ways for industrial production include acetate amination method, acetylene amination method and propylene ammoxidation byproduct method. 1. Acetate amination method use acetate and ammonia as raw materials with reaction being performed at a temperature of 360-420 °C in the presence of aluminum oxide as the catalyst. This is a one-step synthesis method. The reaction mixture is further gone through water absorption and fine distillation to get the final product. Material consumption quantity: acetate (98%) 1763kg /t, ammonia (99.5%) 691kg/t. 2. Acetylene amination method uses ammonia and acetylene as the raw materials and the reaction is carried out at a temperature of 500-600 °C with aluminum oxide being the catalyst. It is again a one-step synthesis approach. Material consumption quantity: acetylene 10231 m3, ammonia (99.4%) 1007 kg/t. 3. Propylene amination and oxidation byproduct method use propylene, ammonia, and air as the raw materials. It produces acrylonitrile with the catalyst while producing acetonitrile as byproducts. Per ton of acrylonitrile can make 25-100kg byproduct of acetonitrile. 4. Made from the dehydration reaction between acetamide and phosphorus pentoxide. 5. Obtained from reaction between dimethyl sulfate and sodium cyanide.
Acetonitrile is usually the byproduct of ammoxidation reaction used for producing acrylonitrile. We can also apply acetate amination method with aluminum oxide as the catalyst. Acetonitrile is obtained by one-step reaction at 360 °C. Reaction equation:
CH3COOH + NH3 [Al2O3] → CH3CN + 2H2O.
[Category]

Flammable liquid
[Toxicity grading]

highly toxic
[Acute toxicity]

oral: rat LD50: 2730 mg/kg; Oral-Mouse LD50: 269 mg/kg.
[Data of irritation]

skin: rabbit 500 mg, Mild; Eyes-rabbit 79 mg/24 hours, moderate.
[Explosive characteristics]

Can be explosive when mixed with air.
[Flammability characteristics]

Flammable in case of fire, high temperature and oxidant; thermally decomposed to release highly toxic fumes of cyanide and nitrogen oxides.
[Storage characteristics]

Treasury: ventilation, low-temperature, dry; store it separately from oxidants and acids.
[Professional standards]

TWA 70 mg/m3; STEL 105 mg/m3.
Spectrum DetailBack Directory
[Spectrum Detail]

Acetonitrile(75-05-8)1HNMR
Acetonitrile(75-05-8)MS
Acetonitrile(75-05-8)IR1
Acetonitrile(75-05-8)Raman
Acetonitrile(75-05-8)13CNMR
Acetonitrile(75-05-8)ESR
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

Acetonitrile, for spectroscopy, 99+%(75-05-8)
[Alfa Aesar]

Acetonitrile, Supergradient HPLC Grade (Far UV), 99.9+%, PRICE NOT GUARANTEED(75-05-8)
[Sigma Aldrich]

75-05-8(sigmaaldrich)
[TCI AMERICA]

Acetonitrile,>99.5%(GC)(75-05-8)
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