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1 5-ジブロモペンタン (CAS NO.: 111-24-0)

1 5-ジブロモペンタン (CAS NO.: 111-24-0)

CAS番号:111-24-0

内容量:99.00%

説明

製品概要

1,5-ジブロモペンタン (also known as Pentamethylene dibromide or 1,5-Pentane dibromide) CAS No.: 111-24-0 , with the chemical formula C₅H₁₀Br₂ and a molecular weight of 229.94 g/mol. It is a clear colorless to yellow-brown liquid. This compound belongs to the class of alkyl halides and is primarily used in organic synthesis and as a reagent, though it is subject to safety regulations due to its irritant properties.

プロパティ

1,5-Dibromopentane exhibits the following key physical and chemical properties:

  • 物理的状態: Liquid.
  • 外観: Clear colorless to yellow-brown liquid.
  • 臭気:指定なし.
  • 融点: -34 °C (lit.).
  • 沸点: 110 °C/15 mmHg (lit.); approximately 224 °C at normal pressure.
  • 密度: 1.688 g/mL at 25 °C (lit.).
  • 溶解度: Soluble in chloroform and methanol (sparingly), insoluble in water.
  • 安定性: Stable under normal conditions; incompatible with strong oxidizing agents.
  • 毒性: Moderately toxic; causes skin and eye irritation; signal word “Warning”.

アプリケーション

The primary applications of 1,5-dibromopentane include:

  • 有機合成中間体: Used in the preparation of 1,5-di-Grignard reagent and novel spirocyclic pyrrolidones; synthesis of N-alkylated piperidine and tetrahydrothiopyran; derivatives of 5-pyrazolones; O-alkylated phloroglucinol derivatives for dendrimers; intermediate for dezocine.
  • Growth Supplement: Acts as a growth supplement for Yarrowia lipolytica 3589, a tropical marine yeast.
  • その他: Used in various chemical reactions and as a reagent in laboratory settings.

分類

The following table outlines the classification of 1,5-dibromopentane 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 (Dibromoalkane) An α,ω-dibromoalkane, reactive in nucleophilic substitution reactions.
利用クラス 有機合成試 験/中級 主に合成中間体や化学反応の試薬として使用される。.
ハザードクラス Irritant (GHS07) Warning; causes skin irritation (H315) and eye irritation (H319); Hazard Codes Xi, Xn.
規制クラス 管理化学物質(REACH、TSCA) TSCA Yes; WGK Germany 3; HS Code 29033036; subject to environmental and safety controls.

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