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1,4-Dibromopentane

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Products Intro: Product Name:1,4-Dibromopentane
CAS:626-87-9
Purity:99% Package:1KG;101USD|1000KG;1USD
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Products Intro: Product Name:1,4-Dibromopentane
CAS:626-87-9
Purity:98%(Min,GC) Package:100g;1kg;5kg,10kg,25kg,50kg
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Products Intro: Product Name:1,4-Dibromopentane
CAS:626-87-9
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Products Intro: Product Name:1,4-Dibromopentane
CAS:626-87-9
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Products Intro: Product Name:1,4-Dibromopentane
CAS:626-87-9
Purity:0.98 Package:1KG;5KG;25KG

1,4-Dibromopentane manufacturers

  • 1,4-Dibromopentane
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  • $101.00 / 1KG
  • 2023-12-29
  • CAS:626-87-9
  • Min. Order: 1KG
  • Purity: 99%
  • Supply Ability: g-kg-tons, free sample is available
  • 1,4-Dibromopentane
  • 1,4-Dibromopentane pictures
  • $10.00 / 1KG
  • 2021-12-22
  • CAS:626-87-9
  • Min. Order: 1KG
  • Purity: 98%
  • Supply Ability: 500ton/Month
  • 1,4-Dibromopentane
  • 1,4-Dibromopentane pictures
  • $15.00 / 1KG
  • 2021-08-12
  • CAS:626-87-9
  • Min. Order: 1KG
  • Purity: 99%+ HPLC
  • Supply Ability: Monthly supply of 1 ton
1,4-Dibromopentane Basic information
Product Name:1,4-Dibromopentane
Synonyms:1,4-DibroMopentane, 97% 25GR;1,4-DIBROMOPENTANE;(RS)-1,4-Dibromopentane;1,4-dibromo-pentan;1,4-DibromopentaneDISC 05/09/02;pentane,1,4-dibromo-;1,4-Dibromopentane,97%;1,4-Dibrompentan
CAS:626-87-9
MF:C5H10Br2
MW:229.94
EINECS:210-967-2
Product Categories:Alkyl;Halogenated Hydrocarbons;Organic Building Blocks
Mol File:626-87-9.mol
1,4-Dibromopentane Structure
1,4-Dibromopentane Chemical Properties
Melting point -34.4 °C (lit.)
Boiling point 98-99 °C/25 mmHg (lit.)
density 1.687 g/mL at 25 °C (lit.)
refractive index n20/D 1.508
Fp >110°C
storage temp. 2-8°C
form clear liquid
Specific Gravity1.687
color Colorless to Light orange to Yellow
Water Solubility Insoluble in water.
BRN 605295
CAS DataBase Reference626-87-9(CAS DataBase Reference)
NIST Chemistry ReferencePentane, 1,4-dibromo-(626-87-9)
EPA Substance Registry SystemPentane, 1,4-dibromo- (626-87-9)
Safety Information
Hazard Codes Xi,Xn
Risk Statements 36/37/38-36/38-22
Safety Statements 26-36-37/39
WGK Germany 3
TSCA Yes
HS Code 29033919
MSDS Information
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1,4-Dibromopentane Usage And Synthesis
Chemical Propertiesclear colorless to light yellow-brown liquid with a wine smell.
Uses1,4-Dibromopentane is used in the preparation of pharaoh ant trail pheromone stereoisomer, indolizidine alkaloid. It is also involved in the preparation 1,2-dimethyl-1-phenylcyclopentane and boc-L-2-amino-6-bromoheptanoic acid.
Preparation1,4-Dibromopentane is synthesized by ring-opening bromination of 2-methyltetrahydrofuran with hydrobromic acid and sulfuric acid. First, add hydrobromic acid into the reaction pot for cooling, slowly add 2-methyltetrahydrofuran and sulfuric acid in turn under stirring, and finish the addition when the temperature does not exceed 40°C. The temperature was raised to 60°C, reacted for 2h, and then reacted at 80-85°C for 4h. After cooling, the bromide was separated and washed with water until neutral to obtain 1,4-dibromopentane as an oily substance. Yield 92.5%.
Synthesis Reference(s)Journal of the American Chemical Society, 74, p. 917, 1952 DOI: 10.1021/ja01124a016
1,4-Dibromopentane Preparation Products And Raw materials
Raw materialsPentane-->Bromide-->2-Methyltetrahydrofuran-->2,4-DIBROMOPENTANE
Preparation Products2-(4-BROMOPENTYL)-1H-ISIONDOLE-1,3(2H)DIONE
Tag:1,4-Dibromopentane(626-87-9) Related Product Information
1,4-DIBROMO-2-CHLORO-1,1,2-TRIFLUOROOCTANE Hexabromocyclododecane HEXABROMOSTEARIC ACID 1,2,5,6-TETRABROMOHEXANE 1,2,5,6-tetrabromocyclooctane 1-BROMO-3-(BROMOMETHYL)ADAMANTANE 2,5-DIBROMO-3,4-HEXANEDIONE, 95 1,2,3,4,5-Pentabromo-6-chlorocyclohexane 1,2-DIBROMO-4-(1,2-DIBROMOETHYL)-CYCLOHEXANE 9,10,12,13-TETRABROMOSTEARIC ACID Diethyl 2,5-dibromohexanedioate 2,5-Dibromohexane 1,5-DIBROMOPENTANE,1,5-Dibromopentane ,97% 3-Oxa-1,5-dibromopentane 1 2-DIBROMOPENTANE 97%,1,2-DIBROMOPENTANE dibromopentan 2,3-DIBROMOPENTANE,2,3-dibromopentane,mixtureofdiastereomer 3-METHYL-1,5-DIBROMOPENTANE