ChemicalBook > CAS DataBase List > 1,4-Dibromo-2,3-butanediol

1,4-Dibromo-2,3-butanediol

Product Name: 1,4-Dibromo-2,3-butanediol
CAS No.: 14396-65-7
Chemical Name: 1,4-Dibromo-2,3-butanediol
Synonyms: 1,4-DIBROMO-2,3-BUTANDIOL;1,4-Dibromobutane-2,3-diol;1,4-Dibromo-2,3-butanediol;1,4-DIBROMO-2,3-BUTANEDIOI;2,3-Butanediol, 1,4-dibromo-;DL-1,4-DIBROMO-2,3-BUTANEDIOL;1,4-DibroMo-2,3-butanediol 95%;1,4-DibroMo-2,3-butanediol
CBNumber: CB1136461
Molecular Formula: C4H8Br2O2
Formula Weight: 247.91
MOL File: 14396-65-7.mol

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1,4-Dibromo-2,3-butanediol Property

Melting point:: 82-84 °C (lit.)
Boiling point:: 365.3±42.0 °C(Predicted)
Density: 2.124±0.06 g/cm3(Predicted)
storage temp.: Sealed in dry,Room Temperature
form: solid
pka: 12.49±0.20(Predicted)

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Safety

Hazard Codes: Xi
Risk Statements: 37/38-41
Safety Statements: 26-39
WGK Germany: 3

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H315Causes skin irritation

H318Causes serious eye damage

H335May cause respiratory irritation

Precautionary statements

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

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

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

American Custom Chemicals Corporation

Product number: HCH0009847
Product name: 1,4-DIBROMO-2,3-BUTANEDIOL
Purity: 95.00%
Packaging: 5G
Price: $906.17
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: HCH0009847
Product name: 1,4-DIBROMO-2,3-BUTANEDIOL
Purity: 95.00%
Packaging: 25G
Price: $1527.46
Updated: 2021/12/16

Crysdot

Product number: CD13022598
Product name: 1,4-Dibromobutane-2,3-diol
Purity: 95+%
Packaging: 5g
Price: $195
Updated: 2021/12/16

AHH

Product number: MT-08011
Product name: 1,4-Dibromo-2,3-butanediol
Purity: 98%
Packaging: 5g
Price: $326
Updated: 2021/12/16

Crysdot

Product number: CD13022598
Product name: 1,4-Dibromobutane-2,3-diol
Purity: 95+%
Packaging: 25g
Price: $520
Updated: 2021/12/16

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1,4-Dibromo-2,3-butanediol Chemical Properties,Usage,Production

Uses

1,4-Dibromo-2,3-butanediol has been used in the preparation of diquaternary gemini surfactants.

General Description

1,4-Dibromo-2,3-butanediol reacts with aqueous alkaline sodium arsenite to yield mixture of DL-2,3,4-trihydroxybutylarsonic acid and DL-2,3-dihydroxybutane-1,4-bis(arsonic acid).

Synthesis

110-14-5

14396-65-7

General procedure for the synthesis of 1,4-dibromo-2,3-butanediol from succinamide: 2 moles of 1,4-diaminobutanedione and 6 moles of 2-pyrrolidinone were added to the reaction vessel and the temperature of the reaction system was lowered to 7 °C. Subsequently, 3 moles of bismuth basic carbonate catalyst and 6 moles of hydrogen were added. A bromide solution with a mass fraction of 20% was slowly added to the reaction system. After maintaining the reaction for 60 minutes, the temperature of the system was continued to be lowered to 3 °C and the stirring speed was controlled to 190 rpm and this condition was maintained for 60 minutes. Upon completion of the reaction, it was allowed to stand for 50 minutes to precipitate the solid product. After filtration, the filtrate was washed sequentially with 66% by mass of methyl butyrate solution and 83% by mass of octanenitrile solution. Finally, the crystalline product was precipitated by recrystallization with 96% mass fraction cyclohexanone solution. Dehydration was carried out by anhydrous potassium carbonate as dehydrating agent, and finally 471.2 g of 1,4-dibromo-2,3-butanediol was obtained as a finished product with a yield of 95%.

References

[1] Patent: CN108238847, 2018, A. Location in patent: Paragraph 0006; 0009-0014

1,4-Dibromo-2,3-butanediol Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 1,4-Dibromo-2,3-butanediol manufacturers

Zhuozhou Wenxi import and Export Co., Ltd

Product: 1,4-Dibromo-2,3-butanediol 95% 14396-65-7
Price: US $15.00-10.00/KG
Min. Order: 1KG
Purity: 99%+ HPLC
Supply Ability: Monthly supply of 1 ton
Release date: 2021-06-27

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14396-65-7

BrCH2CHOHCHOHCH2Br

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