3377-20-6

• 常用中文名：甲撑丙二酸二乙酯
• 常用英文名：Diethyl methylenemalonate
• CAS号：3377-20-6
• 分子式：C₈H₁₂O₄
• 分子量：172.178
• 发布时间：2018-03-26 08:00:00
• 更新时间：2024-01-03 18:13:37

名称

• 中文名: 甲撑丙二酸二乙酯
• 英文名: diethyl 2-methylidenepropanedioate
• 中文别名: 亚甲基丙二酸二乙酯; 二乙基2-亚甲基丙二酸酯; 2-甲叉基丙二酸二乙酯
• 英文别名: 2-methylene-malonic acid diethyl ester; Diethyl ethylene-1,1-dicarboxylate; Propanedioic acid,2-Methylene-,1,3-diethyl ester; diethylethoxymethylene malonate; Diethyl methylenemalonate; methylidenemalonic acid diethyl ester; Propanedioic acid, 2-methylene-, diethyl ester; diethyl methylidenemalonate; Diethyl 2-methylenemalonate; Methylenemalonic acid diethyl ester; Methylenepropanedioic acid diethyl ester

物化性质

• 密度: 1.1±0.1 g/cm3
• 沸点: 174.4±13.0 °C at 760 mmHg
• 分子式: C₈H₁₂O₄
• 分子量: 172.178
• 闪点: 73.0±18.2 °C
• 精确质量: 172.073563
• PSA: 52.60000
• LogP: 1.71
• 蒸汽压: 1.2±0.3 mmHg at 25°C
• 折射率: 1.433

毒性和生态

CHEMICAL IDENTIFICATION RTECS NUMBER : TY1848000 CHEMICAL NAME : Propanedioic acid, methylene-, diethyl ester CAS REGISTRY NUMBER : 3377-20-6 BEILSTEIN REFERENCE NO. : 1723773 LAST UPDATED : 199712 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C8-H12-O4 MOLECULAR WEIGHT : 172.20 HEALTH HAZARD DATA ACUTE TOXICITY DATA TYPE OF TEST : LD - Lethal dose ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : >500 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : CBCCT* "Summary Tables of Biological Tests," National Research Council Chemical-Biological Coordination Center. (National Academy of Science Library, 2101 Constitution Ave., NW, Washington, DC 20418) Volume(issue)/page/year: 6,147,1954

安全

• 海关编码: 2917190090

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海关

海关编码	2917190090
中文概述	2917190090 其他无环多元羧酸. 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, 对苯二甲酸请注明4-CBA值, 对苯二甲酸请注明P-TL酸值, 对苯二甲酸请注明色度, 对苯二甲酸请注明水分
Summary	2917190090 acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%