beta-溴苯乙烯

beta-溴苯乙烯用途

【用途一】
用作香料中间体
【用途二】
多用于香皂或洗衣粉加香。也用于紫丁香、水仙、黄水仙、葵花、甜豆花、香薇等香型中。
【用途三】
具强烈的素花馨。为卤代烃类香料的代表性产品，天然不存在，均由人工合成。该品的香调不属最上品，因此高级香精均未采用，但因其价格适中，故常用作皂用香精。

beta-溴苯乙烯名称

[ CAS 号 ]:
103-64-0

[ 中文名 ]:
β-溴苯乙烯

[ 英文名 ]:
(2-Bromovinyl)benzene

[中文别名 ]:

beta-溴苯乙烯

[英文别名 ]:

Benzene, (2-bromoethenyl)-
EINECS 203-131-3
Beta-Bromostyrene
α-Bromo-β-phenylethylene
MFCD00000185
(2-Bromovinyl)benzene

beta-溴苯乙烯物理化学性质

[ 密度 ]:
1.4±0.1 g/cm3

[ 沸点 ]:
220.9±9.0 °C at 760 mmHg

[ 熔点 ]:
7 °C(lit.)

[ 分子式 ]:
C₈H₇Br

[ 分子量 ]:
183.045

[ 闪点 ]:
101.7±0.0 °C

[ 精确质量 ]:
181.973099

[ LogP ]:
2.99

[ 外观性状 ]:
透明淡黄色至棕色液体

[ 蒸汽压 ]:
0.2±0.4 mmHg at 25°C

[ 折射率 ]:
1.630

[ 储存条件 ]:
包装完整、轻装轻放,库房通风、远离明火、高温、与氧化剂分开存放

beta-溴苯乙烯MSDS

beta-溴苯乙烯毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: WL3850000

CHEMICAL NAME :: Styrene, beta-bromo-

CAS REGISTRY NUMBER :: 103-64-0

BEILSTEIN REFERENCE NO. :: 2038495

LAST UPDATED :: 199710

DATA ITEMS CITED :: 5

MOLECULAR FORMULA :: C8-H7-Br

MOLECULAR WEIGHT :: 183.06

WISWESSER LINE NOTATION :: E1U1R

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1250 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 11,1043,1973 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 83180 No. of Facilities: 21 (estimated) No. of Industries: 1 No. of Occupations: 2 No. of Employees: 456 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 83180 No. of Facilities: 1783 (estimated) No. of Industries: 15 No. of Occupations: 22 No. of Employees: 20488 (estimated) No. of Female Employees: 12772 (estimated)

beta-溴苯乙烯安全信息

[ 符号 ]:

GHS07

[ 信号词 ]:
Warning

[ 危害声明 ]:
H302

[ 个人防护装备 ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ 危害码 (欧洲) ]:
Xn:Harmful

[ 风险声明 (欧洲) ]:
R22

[ 安全声明 (欧洲) ]:
S23-S24/25-S36/37

[ WGK德国 ]:
3

[ RTECS号 ]:
WL3850000

beta-溴苯乙烯合成路线

beta-溴苯乙烯上下游产品

beta-溴苯乙烯上游产品

beta-溴苯乙烯下游产品

beta-溴苯乙烯制备

由肉桂酸溴化而得。在肉桂酸中加入溴素，生成二溴代肉桂酸，再加入碳酸钠并经水蒸气蒸馏，同时进行脱CO2与脱HBr而生成溴代苏合香烯。产率约80%。

beta-溴苯乙烯文献

Pathway for the stereocontrolled Z and E production of alpha,alpha-difluorine-substituted phenyl butenoates.

J. Org. Chem. 71(22) , 8618-21, (2006)

An efficient preparation of pure ethyl Z- and E-alpha,alpha-difluoro-4-phenyl-3-butenoate 1a and 1b together with the corresponding acids 2a and 2b is described. The procedures involve stereocontrolle...

Identification of the brominated flame retardant 1,2-dibromo-4-(1,2-dibromoethyl)cyclohexane as an androgen agonist.

J. Med. Chem. 49 , 7366-72, (2006)

To investigate androgen receptor (AR) activation by exogenous compounds, we used a combination of experimental analysis and theoretical modeling to compare a set of brominated flame retardants (BFRs) ...

Practical one-pot conversion of aryl bromides and ß-bromostyrenes into aromatic nitriles and cinnamonitriles. Ishii G, et al.

Tetrahedron 69(5) , 1462-69, (2013)

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