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ベンゼン [アミノ酸配列分析用] 製品概要
化学名:ベンゼン [アミノ酸配列分析用]
别名:Benzene, OMniSolv(R);Benzene, PestiSolv(R);Benzol,HPLC Grade;Benzene, for spectroscopy;Benzene, SuperDry, J&KSeal;Benzene, 99%, SpcDry, Water≤50 ppM (by K.F.), SpcSeal;Benzene in dimethyl sulfoxide;Residual Solvent Class 1 - Benzene
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Mol File:71-43-2.mol
ベンゼン [アミノ酸配列分析用]
ベンゼン [アミノ酸配列分析用] 物理性質
融点 5.5 °C(lit.)
沸点 80 °C(lit.)
比重(密度) 0.874 g/mL at 25 °C(lit.)
蒸気密度2.77 (vs air)
蒸気圧166 mm Hg ( 37.7 °C)
屈折率 n20/D 1.501(lit.)
闪点 12 °F
貯蔵温度 0-6°C
溶解性Miscible with alcohol, chloroform, dichloromethane, diethyl ether, acetone and acetic acid.
酸解離定数(Pka)43(at 25℃)
外見 Liquid
APHA: ≤10
Relative polarity0.111
爆発限界(explosive limit)1.4-8.0%(V)
水溶解度 0.18 g/100 mL
Merck 14,1066
BRN 969212
安定性:Stable. Substances to be avoided include strong oxidizing agents, sulfuric acid, nitric acid, halogens. Highly flammable.
CAS データベース71-43-2(CAS DataBase Reference)
主な危険性 F,T
Rフレーズ 45-46-11-36/38-48/23/24/25-65-39/23/24/25-23/24/25
Sフレーズ 53-45-36/37-16-7
RIDADR UN 1114 3/PG 2
WGK Germany 3
RTECS 番号CY1400000
国連危険物分類 3
容器等級 II
有毒物質データの71-43-2(Hazardous Substances Data)
MSDS Information
SigmaAldrich English
ALFA English
ベンゼン [アミノ酸配列分析用] Usage And Synthesis
化学的特性colourless liquid
定義ChEBI: A six-carbon aromatic annulene in which each carbon atom donates one of its two 2p electrons into a delocalised pi system. A toxic, flammable liquid byproduct of coal distillation, it is used as an industrial solvent. Benzene is a carcinogen that also damages bone marrow and the central nervous system.
一般的な説明A clear colorless liquid with a petroleum-like odor. Flash point less than 0°F. Less dense than water and slightly soluble in water. Hence floats on water. Vapors are heavier than air.
空気と水の反応Highly flammable. Slightly soluble in water.
反応プロフィールBenzene 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]. Ignites in contact with powdered chromic anhydride [Mellor 11:235 1946-47]. Incompatible with oxidizing agents such as nitric acid. Mixtures with bromine trifluoride, bromine pentafluoride, iodine pentafluoride, iodine heptafluoride and other interhalogens can ignite upon heating [Bretherick 5th ed. 1995]. Benzene and cyanogen halides yield HCl as a byproduct (Hagedorn, F. H. Gelbke, and Federal Republic of Germany. 2002. Nitriles. In Ullman Encyclopedia of Industrial Chemistry. Wiley-VCH Verlag GmbH & Co. KGaA.). The reaction of Benzene and trichloroacetonitrile evolves toxic chloroform and HCl gasses. (Hagedorn, F., H.-P. Gelbke, and Federal Republic of Germany. 2002. Nitriles. In Ullman Encyclopedia of Industrial Chemistry. Wiley-VCH Verlag GmbH & Co. KGaA.).
健康ハザードDizziness, excitation, pallor, followed by flushing, weakness, headache, breathlessness, chest constriction, nausea, and vomiting. Coma and possible death.
火災危険Behavior in Fire: Vapor is heavier than air and may travel considerable distance to a source of ignition and flash back.