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1-Bromo-4-pentene (CAS NO.: 1119-51-3)

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8-Aimínín-2-meitiléin-cuinólín

8-Aimínín-2-meitiléin-cuinólín

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PIGMENT BUÍ 42/ BUÍ TREDHEARCACH 91176

PIGMENT DEARG 101

PIGMENT DEARG 101/ PIGMENT DEARG TREDHEARC 91271

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PIGMENT DUCH 11/ OCSAÍD IARNAIDH DUCH 303T

PIGMENT DEarg 104

DATHAD DEarg 104/ MOILBHDÁIT DEarg 412H

PIGMENT DEarg 104

DATHAD DEarg 104/ MOLIBDÁIT Dhearg 401D

1-Bromo-4-pentene (CAS NO.: 1119-51-3)

1-Bromo-4-pentene (CAS NO.: 1119-51-3)

CAS NO.: 1119-51-3

Content: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..

Déan teagmháil linn

Cur síos

Forbhreathnú ar an Táirge

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.

Airíonna

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

  • Stádas fisiceach: Leachtach (ag teocht an tseomra).
  • Cuma: Clear colorless to light yellow liquid.
  • Boladh: Not specified.
  • Pointe leá: -106.7 °C (estimate).
  • An t-eadhon fiuchta: 126-127 °C at 765 mmHg (lit.).
  • Dlús: 1.258 g/mL at 25 °C (lit.).
  • Intuaslagthacht: Insoluble in water; soluble in organic solvents like chloroform, ethanol, and ether.
  • Cobhsaíocht: Stable under normal conditions; incompatible with strong oxidizing agents; flammable.
  • Tocsaineacht: Moderately toxic; causes skin irritation, eye irritation, and respiratory irritation; may cause dizziness, nausea, and central nervous system effects upon inhalation.

Iarratais

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

  • Idirmheánach na Síntéise Orgánaí: 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.
  • Reagent: Employed in the production of pharmaceuticals, agrochemicals, fragrances, polymers, and as an analytical reagent.
  • Eile: Serves as a versatile building block in organic chemistry for introducing alkyl chains with functional groups.

Aicmiú

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

Cineál Aicmithe Catagóir Shonrach Cur síos
Rang Ceimice Alkyl Halide (Bromoalkene) An unsaturated bromoalkane, reactive in nucleophilic substitution and addition reactions.
Aicme Úsáide Organic Synthesis Reagent/Intermediate Primarily used as a reagent and intermediate in chemical synthesis.
Aicme Guaise Flammable Liquid (UN 1993); Irritant Flammable (H225, flash point ~31 °C); skin irritant (H315), eye irritant (H319), respiratory irritant (H335); Packing Group III.
Aicme Rialála Ceimiceán Rialaithe (REACH, TSCA) Listed under EU REACH and US TSCA; subject to environmental and safety controls (WGK 3 in Germany).

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