1,4-二溴-2,3-丁二醇

1,4-二溴-2,3-丁二醇用途

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).

1,4-二溴-2,3-丁二醇名称

[ CAS 号 ]:
14396-65-7

[ 中文名 ]:
1,4-二溴-2,3-丁二醇

[ 英文名 ]:
1,4-Dibromo-2,3-butanediol

[英文别名 ]:

1,4-DIBROMO-2,3-BUTANDIOL
meso-1,4-Dibrom-2,3-butandiol
MFCD00151324
meso-1.4-Dibrom-2.3-dihydroxy-butan
1,4-dibromo-2,3-dihydroxybutane
1,4-dibromobutane-2,3-diol
1,4-DIBROMO-2,3-BUTANEDIOI
DL-1,4-DIBROMO-2,3-BUTANEDIOL
1,4-dibromo-butan-2,3-diol

1,4-二溴-2,3-丁二醇物理化学性质

[ 密度 ]:
2.124 g/cm3

[ 沸点 ]:
365.3ºC at 760 mmHg

[ 熔点 ]:
82-84ºC

[ 分子式 ]:
C₄H₈Br₂O₂

[ 分子量 ]:
247.91300

[ 闪点 ]:
174.7ºC

[ 精确质量 ]:
245.88900

[ PSA ]:
40.46000

[ LogP ]:
0.49800

[ 蒸汽压 ]:
8.09E-07mmHg at 25°C

[ 折射率 ]:
1.583

[ 储存条件 ]:
室温

1,4-二溴-2,3-丁二醇MSDS

详细MSDS(安全技术说明书)

1,4-二溴-2,3-丁二醇安全信息

[ 符号 ]:

GHS05, GHS07

[ 信号词 ]:
Danger

[ 危害声明 ]:
H315-H318-H335

[ 警示性声明 ]:
P261-P280-P305 + P351 + P338

[ 个人防护装备 ]:
dust mask type N95 (US);Eyeshields;Gloves

[ 危害码 (欧洲) ]:
Xi:Irritant;

[ 风险声明 (欧洲) ]:
R37/38;R41

[ 安全声明 (欧洲) ]:
S26-S39

[ 危险品运输编码 ]:
NONH for all modes of transport

[ 海关编码 ]:
2905590090

1,4-二溴-2,3-丁二醇制备

214g(1mol)1,4-二溴-2-丁烯溶于1.32L丙酮中,加入190mL水,冰盐浴冷却至-10℃,控制-10~-5℃搅拌着、于1h左右,慢慢加入170g(1.05mol)粉碎的KMnO4,加完后升至0℃搅拌0.5h,过滤,用少许丙酮冲洗滤渣,滤液及洗液合并,在50℃水浴上减压蒸发至干,得183g(73%)。

1,4-二溴-2,3-丁二醇海关

[ 海关编码 ]: 2905590090

[ 中文概述 ]:
2905590090 其他无环醇的卤化、磺化等衍生物。监管条件:无。增值税率:17.0%。退税率:9.0%。最惠国关税:5.5%。普通关税:30.0%

[ 申报要素 ]: 品名, 成分含量, 用途, 包装

[ Summary ]:
2905590090 other halogenated, sulphonated, nitrated or nitrosated derivatives of acyclic alcohols。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

1,4-二溴-2,3-丁二醇文献

Preparation of DL-2,3,4-trihydroxybutylarsonic acid and dl-2,3-dihydroxybutane-1,4-bis(arsonic acid): starting compounds for novel arsonolipids.

Chem. Phys. Lipids 148(2) , 97-104, (2007)

The reaction of DL-1,3-butadiene diepoxide and of DL-1,4-dibromo-2,3-butanediol with aqueous alkaline sodium arsenite, "Na(3)AsO(3)", gave mixtures of the title arsonic acids which can be separated by...

Surface activity and premicellar aggregation of some novel diquaternary gemini surfactants. Rosen MJ and Liu L.

J. Am. Oil Chem. Soc. 73(7) , 885-90, (1996)

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