1,4-Dibromopentane

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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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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sodium 1-amino-4-(2,4-dimethylanilino)-9,10-dioxo-2-anthracenesulfonate

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

1,4-Dibromopentane &gt

1,4-Dibromopentane ISO 9001：2015 REACH

626-87-9

BrCH23CHBrCH3

C5H10Br2

626879

CH3CHBrCH2CH2CH2Br

Alkyl

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