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2-溴丙酸乙酯

2-溴丙酸乙酯用途

用作除草剂喹禾灵的专用合成中间体

2-溴丙酸乙酯名称

[ CAS 号 ]:
535-11-5

[ 中文名 ]:
2-溴丙酸乙酯

[ 英文名 ]:
Ethyl (2S)-2-bromopropanoate

[中文别名 ]:

[英文别名 ]:

Ethyl a-bromopropionate
Ethyl 2-BroMopropionate
Ethyl (2S)-2-bromopropanoate
2-Bromopropionic Acid Ethyl Ester
2-bromo-propionic acid ethyl ester
ethylalpha-bromopropanoate
Propanoic acid, 2-bromo-, ethyl ester, (2S)-
ethyl 2-bromo-propanoate
Ethyl-bromopropanoate
DL-ETHYL 2-BROMOPROPIONATE

2-溴丙酸乙酯物理化学性质

[ 密度 ]:
1.4±0.1 g/cm3

[ 沸点 ]:
162.6±8.0 °C at 760 mmHg

[ 分子式 ]:
C₅H₉BrO₂

[ 分子量 ]:
181.028

[ 闪点 ]:
51.7±0.0 °C

[ 精确质量 ]:
179.978592

[ PSA ]:
26.30000

[ LogP ]:
1.72

[ 外观性状 ]:
透明无色液体

[ 蒸汽压 ]:
2.1±0.3 mmHg at 25°C

[ 折射率 ]:
1.454

[ 储存条件 ]:
Flammables area

[ 水溶解性 ]:
Immiscible

2-溴丙酸乙酯MSDS

2-溴丙酸乙酯毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UA2451730

CHEMICAL NAME :: Propanoic acid, 2-bromo-, ethyl ester

CAS REGISTRY NUMBER :: 535-11-5

BEILSTEIN REFERENCE NO. :: 0773920

LAST UPDATED :: 199701

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C5-H9-Br-O2

MOLECULAR WEIGHT :: 181.05

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

MUTATION DATA

TYPE OF TEST :: Mutation in microorganisms

TEST SYSTEM :: Bacteria - Salmonella typhimurium

DOSE/DURATION :: 500 ug/plate

REFERENCE :: EMMUEG Environmental and Molecular Mutagenesis. (Alan R. Liss, Inc., 41 E. 11th St., New York, NY 10003) V.10- 1987- Volume(issue)/page/year: 19,311,1992 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X4071 No. of Facilities: 17 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 851 (estimated) No. of Female Employees: 187 (estimated)

2-溴丙酸乙酯安全信息

[ 符号 ]:

GHS02, GHS05

[ 信号词 ]:
Danger

[ 危害声明 ]:
H226-H314

[ 警示性声明 ]:
P280-P305 + P351 + P338-P310

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

[ 危害码 (欧洲) ]:
Xn:Harmful;

[ 风险声明 (欧洲) ]:
R10;R20/22;R36/37/38

[ 安全声明 (欧洲) ]:
S16-S26-S36/37/39-S45-S37/39

[ 危险品运输编码 ]:
UN 2920 8/PG 2

[ WGK德国 ]:
3

[ RTECS号 ]:
UA2451730

[ 包装等级 ]:
III

[ 危险类别 ]:
3

[ 海关编码 ]:
29159080

2-溴丙酸乙酯合成路线

2-溴丙酸乙酯上下游产品

2-溴丙酸乙酯上游产品

2-溴丙酸乙酯下游产品

2-溴丙酸乙酯制备

其制备方法是将丙酸和赤磷投入反应瓶内，在60℃滴加溴素约3h加完，升温至100～120℃，保温搅拌6h，冷却，过滤，滤液加热蒸馏，再分馏得2-溴代丙酰溴，将2-溴代丙酰溴与无水乙醇反应即得成品。反应方程式如：CH₃CH₂COOH+Br₂[P]→CH₃CHBrCOBr+H₂O
CH₃CHBrCOBr+C₂H₅OH→CH₃CHBrCOOC₂H₅+HBr

2-溴丙酸乙酯海关

[ 海关编码 ]: 2915900090

[ 中文概述 ]:
2915900090. 其他饱和无环一元羧酸及其酸酐（酰卤、过氧）化物、过氧酸及其卤化、硝化、磺化、亚硝化衍生物. 增值税率:17.0%. 退税率:9.0%. 监管条件:AB(入境货物通关单,出境货物通关单). 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

[ 监管条件 ]: A.入境货物通关单 B.出境货物通关单

[ 检验检疫 ]: R.进口食品卫生监督检验 S.出口食品卫生监督检验 M.进口商品检验 N.出口商品检验

[ Summary ]:
2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0%