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1-ブロモブタン (CAS NO.: 109-65-9)

1-ブロモブタン (CAS NO.: 109-65-9)

CAS番号: 109-65-9

内容量:99.00%

用途医薬品(プロカイン、テトラカインなど)、農薬、その他の有機化合物の製造におけるアルキル化剤として使用され、グリニャール試薬やn-ブチリチウムなどの有機金属化合物の前駆体となる。.

説明

製品概要

1-Bromobutane (also known as n-Butyl Bromide or Butyl Bromide) CAS No.: 109-65-9 , with the chemical formula C₄H₉Br and a molecular weight of 137.02 g/mol. It is a colorless to light yellow liquid with a characteristic or pleasant odor. This compound belongs to the class of alkyl halides and is primarily used in organic synthesis and as a solvent, though it is flammable and subject to safety regulations due to its irritant and environmental properties.

プロパティ

1-Bromobutane exhibits the following key physical and chemical properties:

  • 物理的状態:液体(室温)。.
  • 外観: Clear colorless to light yellow liquid.
  • 臭気: Characteristic or pleasant odor.
  • 融点: -112 °C.
  • 沸点: 101-102 °C.
  • 密度: 1.27 g/mL (at 25 °C).
  • 溶解度: Slightly soluble in water (0.6 g/L); miscible with organic solvents like ethanol, ether, and chloroform.
  • 安定性: Stable under normal conditions; flammable with a flash point of 10-23 °C; incompatible with strong oxidants and strong bases.
  • 毒性: Moderately toxic; LD50 oral in rat: 2761 mg/kg; causes irritation to skin, eyes, and respiratory tract; may cause respiratory irritation, headache, nausea; toxic to aquatic life with long-lasting effects.

アプリケーション

The primary applications of 1-bromobutane include:

  • 有機合成中間体: Used as an alkylating agent in the production of pharmaceuticals (e.g., procaine and tetracaine), agrochemicals, and other organic compounds; precursor for Grignard reagents and organometallics like n-butyllithium.
  • 溶剤: Employed for cleaning, degreasing, and extraction in industrial and laboratory processes.
  • その他: Acts as a derivatization reagent for functional groups (e.g., amino acids to improve hydrophobicity); used as an internal standard in analytical techniques like gas chromatography for quantifying compounds in samples such as human urine.

分類

The following table outlines the classification of 1-bromobutane based on chemical properties, uses, and regulations:

分類タイプ 特定のカテゴリー 説明
化学クラス Alkyl Halide (Bromoalkane) A primary brominated alkane, reactive in nucleophilic substitution reactions (e.g., SN2).
利用クラス Organic Synthesis Reagent/Solvent Primarily an intermediate for chemical synthesis and cleaning/degreasing applications.
ハザードクラス Flammable Liquid (UN 1126); Irritant Flammable (flash point 10-23 °C); irritating to skin, eyes, and respiratory system (GHS: H225, H315, H319, H335, H411); toxic to aquatic life; packing group II.
規制クラス 管理化学物質(REACH、TSCA) Registered under EU REACH (EC 203-691-9) and US TSCA; subject to environmental release controls and hazardous substance regulations (WGK 2 in Germany).

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