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1-브로모-4-펜텐(CAS 번호: 1119-51-3)

제품 카테고리

주요 제품

8-아미노-2-메틸퀴놀린

8-아미노-2-메틸퀴놀린

안료 옐로우 42

안료 황색 42/ 투명 황색 91176

안료 레드 101

안료 적색 101/ 투명 안료 적색 91271

피그먼트 블랙 11

피그먼트 블랙 11/ 산화철 블랙 303T

안료 적색 104

피그먼트 레드 104/ 몰리브덴 레드 412H

안료 적색 104

피그먼트 레드 104/ 몰리브덴 레드 401D

1-브로모-4-펜텐(CAS 번호: 1119-51-3)

1-브로모-4-펜텐(CAS 번호: 1119-51-3)

CAS NO.: 1119-51-3

콘텐츠:98.00%

Application: Used in the stereoselective synthesis of 7α-(3-carboxypropyl) estradiol, preparation of thioacetates like those in sialic acid derivatives, and recent syntheses of DL-histrionicotoxin and benzophenone-containing fatty acids. etc..

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설명

제품 개요

1-Bromo-4-pentene (also known as 5-Bromo-1-penteneor 4-Pentenyl bromide) CAS No.: 1119-51-3 , with the chemical formula C₅H₉Br and a molecular weight of 149.03 g/mol. It is a clear colorless to light yellow liquid. This compound belongs to the class of alkyl halides with an alkene group and is primarily used in organic synthesis and as a reagent, though it is subject to safety regulations due to its flammable and irritant properties.

속성

5-Bromo-1-pentene exhibits the following key physical and chemical properties:

  • 물리적 상태: 액체(실온에서).
  • 모양: 투명한 무색에서 담황색 액체.
  • 냄새: 지정되지 않음.
  • 녹는점: -106.7 °C (estimate).
  • 끓는점: 126-127 °C at 765 mmHg (lit.).
  • 밀도: 1.258 g/mL at 25 °C (lit.).
  • 용해성: Insoluble in water; soluble in organic solvents like chloroform, ethanol, and ether.
  • 안정성: Stable under normal conditions; incompatible with strong oxidizing agents; flammable.
  • 독성: Moderately toxic; causes skin irritation, eye irritation, and respiratory irritation; may cause dizziness, nausea, and central nervous system effects upon inhalation.

애플리케이션

The primary applications of 5-bromo-1-pentene include:

  • 유기 합성 중간체: Used in the stereoselective synthesis of 7α-(3-carboxypropyl) estradiol, preparation of thioacetates like those in sialic acid derivatives, and recent syntheses of DL-histrionicotoxin and benzophenone-containing fatty acids.
  • 시약: Employed in the production of pharmaceuticals, agrochemicals, fragrances, polymers, and as an analytical reagent.
  • 기타: Serves as a versatile building block in organic chemistry for introducing alkyl chains with functional groups.

분류

The following table outlines the classification of 5-bromo-1-pentene based on chemical properties, uses, and regulations:

분류 유형 특정 카테고리 설명
화학 등급 Alkyl Halide (Bromoalkene) An unsaturated bromoalkane, reactive in nucleophilic substitution and addition reactions.
사용 클래스 유기 합성 시약/중간체 Primarily used as a reagent and intermediate in chemical synthesis.
위험 등급 Flammable Liquid (UN 1993); Irritant Flammable (H225, flash point ~31 °C); skin irritant (H315), eye irritant (H319), respiratory irritant (H335); Packing Group III.
규제 등급 규제 화학물질(REACH, TSCA) Listed under EU REACH and US TSCA; subject to environmental and safety controls (WGK 3 in Germany).

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