2-Butenoic acid,4-(3,4-dimethoxyphenyl)-4-oxo-, (2E)-
- 中文别名：(E)-4-(3,4-二甲氧基苯基)-4-氧代-2-丁烯酸乙酯
- 中文释义：(E)-4-(3,4-二甲氧基苯基)-4-氧代-2-丁烯酸乙酯;(E)4-(3,4-二甲氧基苯基)-4-氧-2-丁烯酸乙酯;4-(3,4-二氧基苯基)-4-氧丁烯酸乙酯;(E)4-二甲氧基苯基-4-氧-2-丁烯酸乙酯
- 英文别名：(E)-Ethyl 4-(3,4-dimethoxyphenyl)-4-oxo-2-butenoate;
4-(3,4-dimethoxyphenyl)-4-oxo-2-butenoic acid;
(E)-4-(3,4-Dimethoxyphenyl)-4-oxo-2-butenoic acid;
(E)ETHYL 4-(3,4-DIMETHOXYPHENYL)-4-OXO-2-BUTENOATE;
4-oxo-4-(3.4-dimethoxy-phenyl)-trans-crotonic acid;
(E)Ethyl 4-(3,4-dimethoxyphenyl)-4-oxo-2-butenoate (VAC);
(E)Ethyl4-(3,4-dimethoxyphenyl;
3-(3,4-dimethoxybenzoyl)acrylic acid;
4-Oxo-4-(3.4-dimethoxy-phenyl)-trans-crotonsaeure;
(E)-ethyl 4-(3,4-dimethoxyphenyl)-4-oxobut-2-enoate;
VAC;
Ethyl 4-(3,4-dimethoxyphenyl)-4-oxycrotonate;
(E)4-(3,4-dimethyoxyphenyl)-4-oxo-2-butenoate;
4-(3,4-dimethoxyphenyl)-4-oxocrotonic acid;
(E)-4-(3,4-dimethoxyphenyl)-4-oxocrotonic acid ethyl aster
- CAS No.：80937-23-1
- 分子式：C12H12O5
- 分子量：264.27
- 精确分子量：264.10000
- PSA：61.83000
- InChI：InChI=1/C14H16O5/c1-4-19-14(16)8-6-11(15)10-5-7-12(17-2)13(9-10)18-3/h5-9H,4H2,1-3H3/b8-6+
- 分子结构式：
物化性质
- 密度：
- 1.138g/cm3
- 熔点：
- 87.0-91.0ºC
- 沸点：
- 393.2ºC at 760 mmHg
- 闪点：
- 208.2ºC
- 折射率：
- 1.515
安全信息
- 密度：
- 1.138g/cm3
- 熔点：
- 87.0-91.0ºC
- 沸点：
- 393.2ºC at 760 mmHg
- 闪点：
- 208.2ºC
- 折射率：
- 1.515
毒理性
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- EM9140000
- CHEMICAL NAME :
- 2-Butenoic acid, 4-(3,4-dimethoxyphenyl)-4-oxo-, (E)-
- CAS REGISTRY NUMBER :
- 80937-23-1
- BEILSTEIN REFERENCE NO. :
- 3137849
- LAST UPDATED :
- 199612
- DATA ITEMS CITED :
- 1
- MOLECULAR FORMULA :
- C12-H12-O5
- MOLECULAR WEIGHT :
- 236.24
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 500 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- FRXXBL French Demande Patent Document. (U.S. Patent and Trademark Office, Foreign Patents, Washington, DC 20231) Volume(issue)/page/year: #2481118
海关数据
中国海关编码：2918990090
- 概述：
- 2918990090. 其他含其他附加含氧基羧酸（包括酸酐、酰卤化物、过氧化物和过氧酸及该税号的衍生物）. 增值税率:17.0%. 退税率:13.0%. 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
- 摘要/Summary：
- 2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%
