基本的な属性 MSDS 用途と合成の方法 サプライヤー

ベンゼン [アミノ酸配列分析用]

基本的な属性 MSDS 用途と合成の方法 サプライヤー
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] 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)
  • NISTの化学物質情報Benzene(71-43-2)
  • EPAの化学物質情報Benzene(71-43-2)
セキュリティ情報
MSDS Information
ベンゼン [アミノ酸配列分析用] 用途と合成の方法
  • 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.
  • 用途分解ガソリン等から抽出される芳香族炭化水素で、スチレン、フェノール、シクロヘキサン等の原料として使用される他、各種化学品の原料、溶剤等に使用されます。
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