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ぎ酸

ぎ酸 化学構造式
64-18-6
CAS番号.
64-18-6
化学名:
ぎ酸
别名:
ぎ酸 [一般有機合成用];メタン酸;酸;蟻酸;ぎ酸 [LC-MS用];ぎ酸,98%;ぎ酸標準品;ギ酸 ≥88.0%,TRACESELECT,FOR TRACE ANALYSIS;ギ酸 ACS REAGENT,≥96%;ギ酸 ELUENT ADDITIVE FOR LC-MS;ギ酸 FOR MASS SPECTROMETRY,~98%;ギ酸 REAGENT GRADE,≥95%;ギ酸 SOLUTION PURISS. P.A.,FOR HPLC,50% IN 水,49-51% (T);ぎ酸(88%)メタン酸(88%);ぎ酸(98-100%)メタン酸(98-100%);ぎ酸(88%);ぎ酸(98%);ぎ酸(98-100%);ぎ酸 (約88.0%);ぎ酸 (約99%)
英語化学名:
Formic acid
英語别名:
Add-F;HCOOH;FORMOL;Amasil;formic;Bilorin;Formira;Myrmicyl;MORBICID;METHANONE
CBNumber:
CB4854063
化学式:
CH2O2
分子量:
46.03
MOL File:
64-18-6.mol

ぎ酸 物理性質

融点 :
8.2-8.4 °C(lit.)
沸点 :
101 °C
比重(密度) :
1.22
蒸気密度:
1.03 (vs air)
蒸気圧:
52 mm Hg ( 37 °C)
屈折率 :
n20/D 1.377
FEMA :
2487 | FORMIC ACID
闪点 :
133 °F
貯蔵温度 :
2-8°C
溶解性:
H2O: soluble1g/10 mL, clear, colorless
酸解離定数(Pka):
3.75(at 20℃)
外見 :
Liquid
比重:
1.216 (20℃/20℃)
色:
APHA: ≤15
PH:
2.2 (10g/l, H2O, 20℃)
爆発限界(explosive limit):
12-38%(V)
水溶解度 :
MISCIBLE
Sensitive :
Hygroscopic
極大吸収波長 (λmax):
λ: 260 nm Amax: 0.03
λ: 280 nm Amax: 0.01
Merck :
14,4241
JECFA Number:
79
BRN :
1209246
Henry's Law Constant:
At 25 °C: 95.2, 75.1, 39.3, 10.7, and 3.17 at pH values of 1.35, 3.09, 4.05, 4.99, and 6.21, respectively (Hakuta et al., 1977)
暴露限界値:
TLV-TWA 5 ppm (~9 mg/m3) (ACGIH, MSHA, OSHA, and NIOSH); IDLH 100 ppm (180 mg/m3) (NIOSH).
安定性::
Stable. Substances to be avoided include strong bases, strong oxidizing agents and powdered metals, furfuryl alcohol. Combustible. Hygroscopic. Pressure may build up in tightly closed bottles, so bottles should be opened carefully and vented periodically.
InChIKey:
BDAGIHXWWSANSR-UHFFFAOYSA-N
CAS データベース:
64-18-6(CAS DataBase Reference)
NISTの化学物質情報:
Formic acid(64-18-6)
EPAの化学物質情報:
Formic acid(64-18-6)
安全性情報
  • 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  T,C,Xi
Rフレーズ  23/24/25-34-40-43-35-36/38-10
Sフレーズ  36/37-45-26-23-36/37/39
RIDADR  UN 1198 3/PG 3
WGK Germany  2
RTECS 番号 LP8925000
10
自然発火温度 1004 °F
TSCA  Yes
国連危険物分類  8
容器等級  II
HSコード  29151100
有毒物質データの 64-18-6(Hazardous Substances Data)
毒性 LD50 in mice (mg/kg): 1100 orally; 145 i.v. (Malorny)
消防法 危険物第4類第二石油類(水溶性)
化審法 (2)-670 優先評価化学物質
安衛法 57,57-2
毒劇物取締法 劇物
絵表示(GHS)
注意喚起語 Danger
危険有害性情報
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
H226 引火性の液体および蒸気 引火性液体 3 警告
H302 飲み込むと有害 急性毒性、経口 4 警告 P264, P270, P301+P312, P330, P501
H314 重篤な皮膚の薬傷?眼の損傷 皮膚腐食性/刺激性 1A, B, C 危険 P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501
H315 皮膚刺激 皮膚腐食性/刺激性 2 警告 P264, P280, P302+P352, P321,P332+P313, P362
H318 重篤な眼の損傷 眼に対する重篤な損傷性/眼刺激 性 1 危険 P280, P305+P351+P338, P310
H319 強い眼刺激 眼に対する重篤な損傷性/眼刺激 性 2A 警告 P264, P280, P305+P351+P338,P337+P313P
H331 吸入すると有毒 急性毒性、吸入 3 危険 P261, P271, P304+P340, P311, P321,P403+P233, P405, P501
注意書き
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。
P280 保護手袋/保護衣/保護眼鏡/保護面を着用するこ 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。
P305+P351+P338 眼に入った場合:水で数分間注意深く洗うこと。次にコ ンタクトレンズを着用していて容易に外せる場合は外す こと。その後も洗浄を続けること。
P337+P313 眼の刺激が続く場合:医師の診断/手当てを受けること。
P403+P233 換気の良い場所で保管すること。容器を密閉 しておくこと。
P405 施錠して保管すること。

ぎ酸 価格 もっと(83)

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) W01W0106-0589 ぎ酸
Formic Acid
64-18-6 500g ¥2200 2018-12-26 購入
富士フイルム和光純薬株式会社(wako) W01AFAA13285 ぎ酸, 97%
Formic acid, 97%
64-18-6 500g ¥3610 2018-12-26 購入
東京化成工業 F0654 ぎ酸 [LC-MS用] >98.0%(GC)
Formic Acid [for LC-MS] >98.0%(GC)
64-18-6 5mL ¥3000 2018-12-04 購入
東京化成工業 F0513 ぎ酸
Formic Acid
64-18-6 300mL ¥1700 2018-12-04 購入
関東化学株式会社(KANTO) 14793-1A ぎ酸
Formic acid
64-18-6 1L ¥9200 2018-12-13 購入

ぎ酸 化学特性,用途語,生産方法

外観

無色澄明の液体

定義

本品は、次の化学式で表される有機酸である。

溶解性

水及びエタノールに極めて溶けやすい。

用途

無機及び有機化合物溶剤

用途

HPLC用溶離液の調製、試料の前処理剤。

用途

Edman法によるアミノ酸配列分析用試薬。

用途

悪臭物質の分析における試料又は標準物質の脱着、空試験用。

用途

分析試薬、溶剤、有機合成原料等。脱灰剤としての用途もある。

用途

有機合成原料、溶剤等。

用途

染色助剤、皮なめし剤、医薬中間体原料、溶剤。中間物、洗剤等、繊維用添加剤、紙用添加剤、その他添加剤、電池、蓄電池、触媒。医薬?食品添加物などの中間体原料

化粧品の成分用途

pH調整剤、防腐剤、香料

主な用途/役割

ユリア樹脂系接着剤、メラミン樹脂系接着剤、フェノール樹脂系接着剤の触媒として使用される。

使用上の注意

高濃度のため容器の内圧が高くなるので、時々開栓して圧を抜くこと。

化学的特性

Formic acid, or methanoic acid, is the first member of the homologous series identified as fatty acids with the general formula RCOOH. Formic acid was obtained first from the red ant; itscommon name is derived from the family name for ants, Formi- cidae. This substance also occurs naturally in bees and wasps, and is presumed to be responsible for the "sting" of these insects.
Formic acid has a pungent, penetrating odor. It may be synthesized from anhydrous sodium formate and concentrated H2S04 at low temperature followed by distillation.

化学的特性

Formic acid has a pungent, penetrating odor Formic acid is the frst member of the homologous series identifed as fatty acids with general formula RCOOH This acid was obtained frst from the red ants; its common name is derived from the family name for ants, Formicidae This substance also occurs naturally in bees and wasps and is presumed to be responsible for the sting of these insects.

物理的性質

Clear, colorless, fuming liquid with a pungent, penetrating odor. Odor threshold concentration is 49 ppm (quoted, Amoore and Hautala, 1983).

天然物の起源

Widespread in a large variety of plants; reported identifed in Cistus labdanum and the oil of Artemisia trans- iliensis; also found among the constituents of petit grain lemon and bitter orange essential oil; reported found in strawberry aroma Reported found in apple, sweet cherry, papaya, pear, raspberry, strawberry, peas, cheeses, breads, yogurt, milk, cream, buttermilk, raw fsh, cognac, rum, whiskey, cider, white wine, tea, coffee and roasted chicory root

来歴

Formic acid is taken from the Latin word forant, formica. Naturalists had observed the acrid vapor from ant hills for hundreds of years. One of the earliest descriptions of formic acid was reported in an extract of a letter written from John Wray (1627–1705) to the publisher of Philosophical Transactions published in 1670. Wray’s letter reported on “uncommon Observations and Experiments made with an Acid Juyce to be Found in Ants” and noted the acid was previously obtained by Samuel Fisher from the dry distillation of wood ants. Formic acid is found in stinging insects, plants, unripe fruit, foods, and muscle tissue. J?ns Jacob Berzelius (1779–1848) characterized formic acid in the early 19th century, and it wasfirst synthesized from hydrocyanic acid by Joseph Louis Gay-Lussac (1778–1850) at about the same time. A number of synthetic preparations of formic acid were found in the first half of the 19th century. Marcellin Berthelot (1827–1907) discovered a popular synthesis using oxalic acid and glycerin in 1856; he and several other chemists from his period found syntheses of formic acid by heating carbon monoxide in alkaline solutions.

使用

Formic acid has a number of commercial uses. It is used in the leather industry to degreaseand remove hair from hides and as an ingredient in tanning formulations. It is used as alatex coagulant in natural rubber production. Formic acid and its formulations are used aspreservatives of silage. It is especially valued in Europe where laws require the use of naturalantibacterial agents rather than synthetic antibiotics. Silage is fermented grass and crops thatare stored in silos and used for winter feed. Silage is produced during anaerobic fermentationwhen bacteria produce acids that lower the pH, preventing further bacterial action. Acetic acidand lactic acid are the desired acids during silage fermentation. Formic acid is used in silageprocessing to reduce undesirable bacteria and mold growth. Formic acid reduces Clostridiabacteria that would produce butyric acid causing spoilage. In addition to preventing silagespoilage, formic acid helps preserve protein content, improves compaction, and preservessugar content. Formic acid is used as a miticide by beekeepers.

使用

Formic acid occurs in the stings of ants andbees. It is used in the manufacture of estersand salts, dyeing and finishing of textiles andpapers, electroplating, treatment of leather,and coagulating rubber latex, and also as areducing agent.

使用

Formic Acid is a flavoring substance that is liquid and colorless, and possesses a pungent odor. it is miscible in water, alcohol, ether, and glycerin, and is obtained by chemical synthesis or oxidation of methanol or formaldehyde.

定義

ChEBI: The simplest carboxylic acid, containing a single carbon. Occurs naturally in various sources including the venom of bee and ant stings, and is a useful organic synthetic reagent. Principally used as a preservative and antibacterial agent in livestock feed Induces severe metabolic acidosis and ocular injury in human subjects.

Biotechnological Production

Formic acid is generally produced by chemical synthesis . However, biotechnological routes are described in literature. First, formic acid could be produced from hydrogen and bicarbonate by whole-cell catalysis using a methanogen. Concentrations up to 1.02 mol.L-1 (47 g.L-1) have been reached within 50 h. Another example is the formation of formic acid and ethanol as co-products by microbial fermentation of glycerol with genetically modified organisms. In small-scale experiments, 10 g.L-1 glycerol has been converted to 4.8 g.L-1 formate with a volumetric productivity of 3.18 mmol.L-1.h-1 and a yield of 0.92 mol formate per mole glycerol using an engineered E. coli strain.

Taste threshold values

Taste characteristics at 30 ppm: acidic, sour and astringent with a fruity depth.

空気と水の反応

Fumes in air. Soluble in water with release of heat.

反応プロフィール

Formic acid reacts exothmerically with all bases, both organic (for example, the amines) and inorganic. Reacts with active metals to form gaseous hydrogen and a metal salt. Reacts with cyanide salts to generate gaseous hydrogen cyanide. Reacts with diazo compounds, dithiocarbamates, isocyanates, mercaptans, nitrides, and sulfides to generate flammable or toxic gases. Reacts with sulfites, nitrites, thiosulfates (to give H2S and SO3), dithionites (SO2), to generate flammable and/or toxic gases and heat. Reacts with carbonates and bicarbonates to generate carbon dioxide but still heat. Can be oxidized by strong oxidizing agents and reduced by strong reducing agents. These reactions generate heat. May initiate polymerization reactions or catalyze other chemical reactions. A mixture with furfuryl alcohol exploded [Chem. Eng. News 18:72(1940)].

危険性

Corrosive to skin and tissue.

健康ハザード

Formic acid is a low to moderately toxicbut highly caustic compound. It is corrosiveto the skin, and contact with pure liquidcan cause burns on the skin and eyes. It ismore toxic than acetic acid. Formic acid isa metabolite of methanol responsible for thelatter’s toxicity. Thus, the acute acidosis ofmethanol is due to the in vivo formation offormic acid generated by the actionof enzymes, alcohol dehydrogenase, andaldehyde dehydrogenase. Ingestion of formicacid can cause death. Long-term exposure toformic acid can cause kidney damage. Greenet al. (2003) have found increased excretionof formic acid and the development of kidneytoxicity in rats following chronic dosingwith trichloroethanol and trichloroethylene.Such induced nephrotoxicity was attributedto excretion and acidosis from formic acid.
Exposure to formic acid vapors may produce irritation of the eyes, skin, and mucousmembranes, causing respiratory distress.
LD50 value, oral (mice): 700 mg/kg
LC50 value, inhalation (mice): 6200 mg/m3/15 minutes
Liesivuori and Savolainen (1991) studiedthe biochemical mechanisms of toxicityof methanol and formic acid. Formicacid is an inhibitor of the enzymemitochondrial cytochrome oxidase causinghistotoxic hypoxia. It is, however, a weakerinhibitor than cyanide and hydrosulfideanions. The effects of its acidosis are dilationof cerebral vessels, facilitation of the entryof calcium ions into cells, loss of lysosomallatency, and deranged production of ATP, thelatter affecting calcium reabsorption in thekidney tubules. Also, urinary acidificationfrom formic acid and its excretion maycause continuous recycling of the acid bythe tubular cell Cl-/formate exchanger. Suchsequence of events probably causes anaccumulation of formate in urine. Other thanmethanol, methyl ethers, esters, and amidesalso metabolize forming formic acid
Chan et al. (1995) have reported a caseof systemic toxicity developed in a 3-yearold girl burned by formic acid over 35% of her total body surface area. The metabolicacidosis in this case was profound with theserum formate level reaching at 400 μg/mL,the highest reported in the literature forpoisoning by any route. The patient wassuccessfully treated with hemodialysis, IVbicarbonate, and supportive measures.
In a study on the poisoning effect ofmethanol and its toxic metabolite formicacid on the retinal photoreceptors and theretinal pigment epithelian cells Treichel et al.(2004) found that the cytotoxic effects weregreater in the retinal photoreceptors althoughboth the cell types accumulated similar levelsof formate when their cultured cell lineswere exposed to formic acid in vitro. Formicacid treatment in both cell types produceddecreases in glutathione and glutathioneperoxidase.

火災危険

Special Hazards of Combustion Products: Toxic vapor generated in fires

安全性プロファイル

Poison by inhalation, intravenous, and intraperitoneal routes. Moderately toxic by ingestion. Mutation data reported. Corrosive. A skin and severe eye irritant. A substance migrating to food from packaging materials. Combustible liquid when exposed to heat or flame; can react vigorously with oxidizing materials. Explosive reaction with furfuryl alcohol, H202, T1(NO3)3*3H2O nitromethane, P2O5. To fight fire, use CO2, dry chemical, alcohol foam. When heated to decomposition it emits acrid smoke and irritating fumes.

職業ばく露

Formic acid is a strong reducing agent and is used as a decalcifier. It is used in pharmaceuticals; in dyeing textiles and finishing color-fast wool; electroplat ing, coagulating latex rubber; regeneration old rubber, and dehairing, plumping, and tanning leather. It is also used in the manufacture of acetic acid, airplane dope; allyl alcohol; cellulose formate; phenolic resins; and oxalate; and it is used in the laundry, textile, insecticide, refrigeration, and paper industries; as well as in drug manufacture.

Source

Formic acid naturally occurs in carrots, soybean roots, carob, yarrow, aloe, Levant berries, bearberries, wormwood, ylang-ylang, celandine, jimsonweed, water mint, apples, tomatoes, bay leaves, common juniper, ginkgo, scented boronia, corn mint, European pennyroyal, and bananas (Duke, 1992).
Formic acid was formed when acetaldehyde in the presence of oxygen was subjected to continuous irradiation (λ >2200 ?) at room temperature (Johnston and Heicklen, 1964).
Formic acid was identified as a constituent in a variety of composted organic wastes. Detectable concentrations were reported in 16 of 21 composts extracted with water. Concentrations ranged from 0.02 mmol/kg in a sawdust + dairy cattle manure to 30.65 mmol/kg in fresh dairy manure. The overall average concentration was 9.64 mmol/kg (Baziramakenga and Simard, 1998).

環境運命予測

Biological. Near Wilmington, NC, organic wastes containing formic acid (representing 11.4% of total dissolved organic carbon) were injected into an aquifer containing saline water to a depth of about 1,000 feet. The generation of gaseous components (hydrogen, nitrogen, hydrogen sulfide, carbon dioxide, and methane) suggested that formic acid and possibly other waste constituents were anaerobically degraded by microorganisms (Leenheer et al., 1976).
Heukelekian and Rand (1955) reported a 5-d BOD value of 0.20 g/g which is 57.1% of the ThOD value of 0.83 g/g.
Photolytic. Experimentally determined rate constants for the reaction of formic acid with OH radicals in the atmosphere and aqueous solution were 3.7 x 10-13 and 2.2 x 10-13 cm3/molecule? sec, respectively (Dagaut et al., 1988).
Chemical/Physical. Slowly decomposes to carbon monoxide and water. At 20 °C, 0.06 g of water would form in 1 yr by 122 g formic acid. At standard temperature and pressure, this amount of formic acid would produce carbon monoxide at a rate of 0.15 mL/h. The rate of decomposition decreases with time because the water produced acts as a negative catalyst (Barham and Clark, 1951).
Slowly reacts with alcohols and anhydrides forming formate esters.
At an influent concentration of 1.00 g/L, treatment with GAC resulted in an effluent concentration of 765 mg/L. The adsorbability of the GAC used was 47 mg/g carbon (Guisti et al., 1974).

輸送方法

UN1779 Formic acid, with>85% acid by mass, Hazard class: 8; Labels: 8-Corrosive material, 3-Flammable liquid

純化方法

Anhydrous formic acid can be obtained by direct fractional distillation under reduced pressure, the receiver being cooled in ice-water. The use of P2O5 or CaCl2 as dehydrating agents is unsatisfactory. Reagent grade 88% formic acid can be satisfactorily dried by refluxing with phthalic anhydride for 6hours and then distilling it. Alternatively, if it is left in contact with freshly prepared anhydrous CuSO4 for several days about one half of the water is removed from 88% formic acid; distillation then removes the remainder. Boric anhydride (prepared by melting boric acid in an oven at a high temperature, cooling in a desiccator, and powdering) is a suitable dehydrating agent for 98% formic acid; after prolonged stirring with the anhydride the formic acid is distilled under vacuum. Formic acid can be further purified by fractional crystallisation using partial freezing. [Beilstein 2 IV 3.]

不和合性

Vapors may form explosive mixture with air. A medium strong acid and a strong reducing agent. Violent reaction with oxidizers, furfuryl alcohol; hydrogen peroxide; nitromethane. Incompatible with strong acids; bases, ammonia, aliphatic amines; alkanolamines, isocya nates, alkylene oxides; epichlorohydrin. Decomposes on heating and on contact with strong acids forming carbon monoxide. Carbamates are incompatible with strong acids and bases, and especially incompatible with strong reducing agents such as hydrideds and active metals. Contact with active metals or nitrides form flammable gaseous hydrogen. Incompatible with strongly oxidizing acids, peroxides, and hydroperoxides. Attacks metals: aluminum, cast iron and steel; many plastics, rubber and coatings.

廃棄物の処理

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

ぎ酸 上流と下流の製品情報

原材料

準備製品

2,2'-[(3,3'-ジクロロ-1,1'-ビフェニル-4,4'-ジイル)ビス(アゾ)]ビス[N-(4-クロロ-2,5-ジメトキシフェニル)-3-オキソブタンアミド] 3-フルオロ-N-メチルアニリン 2,4-ジクロロ安息香酸エチル 7-ヒドロキシ-6-メトキシ-3,4-ジヒドロイソキノリン 2-ヒドロキシ-N-(4-メトキシフェニル)-11H-ベンゾ[a]カルバゾール-3-カルボアミド ビス[4-(ジメチルアミノ)フェニル]メタン 5-エチル-2-ピリジンエタノール 3-メチルチオフェン-2-カルボニトリル N,N,N-トリメチル-3-[[9,10-ジヒドロ-4-(メチルアミノ)-9,10-ジオキソアントラセン-1-イル]アミノ]-1-プロパンアミニウム ぎ酸trans-シンナミル 3,7-ジメチル-7-オクテン-1-オール 1-メチルピペリジン-4-カルボン酸塩酸塩 5-ベンズイミダゾルカルボン酸 1H-インダゾール-3-イル酢酸 ぎ酸 ゲラニオール 1-ホルミル-4-メチルピペラジン エポキシ化脂肪酸グリセライド(ただし脂肪酸はC 1424) グアニン硫酸塩二水和物 ぎ酸ベンジル 2,4,6-トリメチル-2,4,6-トリフェニルシクロヘキサントリシロキサン 1H-イミダゾ[4,5-b]ピリジン 1-(2-ヒドロキシエチル)-4-メチルピペラジン 5-クロロ-2-[(4-クロロフェニル)オキシ]アニリン 2-エチル酪酸 3,4-ジヒドロイソキノリン N-メチルホルムアミド 酢酸ジエトキシメチル 1-メチル-1-シクロヘキサンカルボン酸

ぎ酸 生産企業

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64-18-6(ぎ酸)キーワード:


  • 64-18-6
  • FORMOL
  • FORMALDE-FRESH
  • FORMALDE-FRESH SOLUTION
  • FORMALDE-FRESH SOLUTION, BUFFERED
  • FORMALDEHYDE, BUFFERED
  • FORMALDEHYDE, CARSON-MILLON
  • METHANONE
  • METHYL ALDEHYDE
  • Acide formique
  • acideformique
  • acideformique(french)
  • Acido formico
  • acidoformico
  • Add-F
  • Kwas metaniowy
  • kwasmetaniowy
  • kwasmetaniowy(polish)
  • Kyselina mravenci
  • kyselinamravenci
  • kyselinamravenci(czech)
  • Methanoicacidmonomer
  • Methansαure
  • Mierenzuur
  • Myrmicyl
  • Rcra waste number U123
  • Formic acid about 85%
  • FormicacidAmeisensure
  • Formate Ion Chromatography Standard Solution Fluka
  • FORMIC ACID 98-100 %, EXTRA PURE, DAC, F
  • FORMIC ACID FCC
  • ぎ酸 [一般有機合成用]
  • メタン酸
  • 蟻酸
  • ぎ酸 [LC-MS用]
  • ぎ酸,98%
  • ぎ酸標準品
  • ギ酸 ≥88.0%,TRACESELECT,FOR TRACE ANALYSIS
  • ギ酸 ACS REAGENT,≥96%
  • ギ酸 ELUENT ADDITIVE FOR LC-MS
  • ギ酸 FOR MASS SPECTROMETRY,~98%
  • ギ酸 REAGENT GRADE,≥95%
  • ギ酸 SOLUTION PURISS. P.A.,FOR HPLC,50% IN 水,49-51% (T)
  • ぎ酸(88%)メタン酸(88%)
  • ぎ酸(98-100%)メタン酸(98-100%)
  • ぎ酸(88%)
  • ぎ酸(98%)
  • ぎ酸(98-100%)
  • ぎ酸 (約88.0%)
  • ぎ酸 (約99%)
  • ぎ酸(約99%)
  • ぎ酸 (90%)
  • ぎ酸(約98%)
  • ギ酸 98% - 100%
  • ギ酸 溶液
  • ぎ 酸
  • ぎ酸, 97%
  • ぎ酸 88%
  • ぎ酸
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