1187-46-8

• 常用中文名：alpha-溴-alpha-氰基乙酸乙酯
• 常用英文名：Ethyl bromo(cyano)acetate
• CAS号：1187-46-8
• 分子式：C₅H₆BrNO₂
• 分子量：192.011
• 发布时间：2019-02-17 09:39:16
• 更新时间：2024-01-12 14:35:46

名称

• 中文名: alpha-溴-alpha-氰基乙酸乙酯
• 英文名: Ethyl 2-bromo-2-cyanoacetate
• 英文别名: Ethyl bromo(cyano)acetate; ethyl 2-bromo-2-cyanoacetate; Ethyl α-bromo-α-cyanoacetate; Acetic acid, 2-bromo-2-cyano-, ethyl ester

物化性质

• 密度: 1.6±0.1 g/cm3
• 沸点: 208.6±20.0 °C at 760 mmHg
• 分子式: C₅H₆BrNO₂
• 分子量: 192.011
• 闪点: 79.9±21.8 °C
• 精确质量: 190.958176
• PSA: 50.09000
• LogP: 1.38
• 蒸汽压: 0.2±0.4 mmHg at 25°C
• 折射率: 1.481
• 分子结构:

  1、 摩尔折射率：34.59

  2、 摩尔体积（cm³/mol）：121.4

  3、 等张比容（90.2K）：313.6

  4、 表面张力（dyne/cm）：44.4

  5、 极化率（10-24cm3）：13.71

毒性和生态

CHEMICAL IDENTIFICATION RTECS NUMBER : AF5958000 CHEMICAL NAME : Acetic acid, 2-bromo-2-cyano-, ethyl ester CAS REGISTRY NUMBER : 1187-46-8 BEILSTEIN REFERENCE NO. : 1761604 LAST UPDATED : 199710 DATA ITEMS CITED : 4 MOLECULAR FORMULA : C5-H6-Br-N-O2 MOLECULAR WEIGHT : 192.03 WISWESSER LINE NOTATION : NCYEVO2 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 : 420 mg/kg TOXIC EFFECTS : Behavioral - somnolence (general depressed activity) Behavioral - food intake (animal) Gastrointestinal - other changes REFERENCE : NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0570610 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 56 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#00605 TYPE OF TEST : LDLo - Lowest published lethal dose ROUTE OF EXPOSURE : Administration onto the skin SPECIES OBSERVED : Rodent - rabbit DOSE/DURATION : 316 mg/kg TOXIC EFFECTS : Behavioral - somnolence (general depressed activity) Behavioral - food intake (animal) Lungs, Thorax, or Respiration - other changes REFERENCE : NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0570610

安全

• 海关编码: 2926909090

合成路线

105-56-6 ~96% 1187-46-8

文献：Yamada, Yoichi; Yasuda, Heinosuke Synthesis, 1990 , # 9 p. 768 - 770

18852-51-2 ~% 1187-46-8

文献：Thorpe; Young Journal of the Chemical Society, 1900 , vol. 77, p. 941 Chem. News J. Ind. Sci., 1900 , vol. 81, p. 261

35768-29-7 ~% 1187-46-8 104-88-1

文献：Khamliche, Layachi; Robert, Albert; Bakkas, Salem Bulletin de la Societe Chimique de France, 1994 , vol. 131, p. 1031 - 1034

134890-52-1 ~% 1187-46-8 104-87-0

文献：Khamliche, Layachi; Robert, Albert; Bakkas, Salem Bulletin de la Societe Chimique de France, 1994 , vol. 131, p. 1031 - 1034

13280-85-8 292638-85-8 ~6% 1187-46-8 125117-25-1 详细

文献：Chen, Chen; Liao, Yi; Huang, Yao-Zeng Tetrahedron, 1989 , vol. 45, # 10 p. 3011 - 3020

上下游产品

上游产品  4
105-56-6 18852-51-2 35768-29-7 292638-85-8
下游产品  9
22190-15-4 18861-57-9 52133-67-2 3111-89-5
2169-68-8 2169-69-9 2017-87-0 3954-26-5
7553-56-2

海关

海关编码	2926909090
中文概述	2926909090 其他腈基化合物. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:6.5% 普通关税:30.0%
申报要素	品名, 成分含量, 用途
Summary	HS:2926909090 other nitrile-function compounds VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%