ChemicalBook > CAS DataBase List > 1,4-Dibromopentane

1,4-Dibromopentane

Product Name
1,4-Dibromopentane
CAS No.
626-87-9
Chemical Name
1,4-Dibromopentane
Synonyms
1,4-Dibrompentan;1,4-DIBROMOPENTANE;1,4-dibromo-pentan;pentane,1,4-dibromo-;1,4-Dibromopentane >1,4-Dibromopentane,97%;(RS)-1,4-Dibromopentane;1,4-DibroMopentane, 97% 25GR;1,4-DibromopentaneDISC 05/09/02;1,4-Dibromopentane ISO 9001：2015 REACH
CBNumber
CB0496070
Molecular Formula
C5H10Br2
Formula Weight
229.94
MOL File
626-87-9.mol
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1,4-Dibromopentane Property

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
Flash point:
>110°C
storage temp. 
2-8°C
form 
clear liquid
color 
Colorless to Light orange to Yellow
Specific Gravity
1.687
Water Solubility 
Insoluble in water.
BRN 
605295
CAS DataBase Reference
626-87-9(CAS DataBase Reference)
NIST Chemistry Reference
Pentane, 1,4-dibromo-(626-87-9)
EPA Substance Registry System
Pentane, 1,4-dibromo- (626-87-9)
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Safety

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
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
252077
Product name
1,4-Dibromopentane
Purity
97%
Packaging
25g
Price
$165
Updated
2024/03/01
TCI Chemical
Product number
D1408
Product name
1,4-Dibromopentane
Purity
>95.0%(GC)
Packaging
5g
Price
$24
Updated
2024/03/01
TCI Chemical
Product number
D1408
Product name
1,4-Dibromopentane
Purity
>95.0%(GC)
Packaging
25g
Price
$62
Updated
2024/03/01
Alfa Aesar
Product number
L09842
Product name
1,4-Dibromopentane, 97%
Packaging
25g
Price
$92.65
Updated
2024/03/01
Alfa Aesar
Product number
L09842
Product name
1,4-Dibromopentane, 97%
Packaging
100g
Price
$243.65
Updated
2024/03/01
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1,4-Dibromopentane Chemical Properties,Usage,Production

Chemical Properties

clear colorless to light yellow-brown liquid with a wine smell.

Uses

1,4-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.

Preparation

1,4-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 materials

2,4-DIBROMOPENTANE Pentane Bromide 2-Methyltetrahydrofuran

Preparation Products

2-(4-BROMOPENTYL)-1H-ISIONDOLE-1,3(2H)DIONE
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1,4-Dibromopentane Suppliers

Americas 1 Belgium 2 China 77 Europe 1 France 1 Germany 3 India 12 Japan 3 Switzerland 2 The Netherlands 1 Ukraine 1 United Kingdom 10 United States 24 Global 138
Alchem Pharmtech,Inc.
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View Lastest Price from 1,4-Dibromopentane manufacturers

Henan Fengda Chemical Co., Ltd
Product
1,4-Dibromopentane 626-87-9
Price
US $101.00-1.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
g-kg-tons, free sample is available
Release date
2023-12-28
Qiuxian Baitai New Material Co., LTD
Product
1,4-Dibromopentane 626-87-9
Price
US $10.00/KG
Min. Order
1KG
Purity
98%
Supply Ability
500ton/Month
Release date
2021-12-21
Zhuozhou Wenxi import and Export Co., Ltd
Product
1,4-Dibromopentane 626-87-9
Price
US $15.00-10.00/KG
Min. Order
1KG
Purity
99%+ HPLC
Supply Ability
Monthly supply of 1 ton
Release date
2021-08-11

626-87-9, 1,4-DibromopentaneRelated Search:

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