2-Butenedioic acid(2Z)-, ammonium salt (1:1)
- 中文别名:顺丁烯二酸氢铵; 马来酸氢铵
- 中文释义:顺丁烯二酸氢铵;顺丁烯二酸一铵
- 英文别名:Ammonium hydrogen maleate;
ammonium fumarate;
diammonium fumarate;
diammonium salt of fumaric acid;
Maleic acid 1-ammonium salt;
Maleic acid monoammonium salt;
fumaric acid ammonium salt
- CAS No.:44742-89-4
- 分子式:C4H4O4.H3N
- 分子量:133.10
- 精确分子量:133.03800
- PSA:77.84000
- InChI:InChI=1/C4H4O4.H3N/c5-3(6)1-2-4(7)8;/h1-2H,(H,5,6)(H,7,8);1H3/b2-1-;
- 分子结构式:
物化性质
- 密度:
- 1.499g/cm3
- 熔点:
- 138-139ºC
- 沸点:
- 400.7ºC at 760 mmHg
- 闪点:
- 196.1ºC
安全信息
- 密度:
- 1.499g/cm3
- 熔点:
- 138-139ºC
- 沸点:
- 400.7ºC at 760 mmHg
- 闪点:
- 196.1ºC
海关数据
中国海关编码:2923900090
- 概述:
- 2923900090 其他季铵盐及季铵碱。监管条件:无。增值税率:17.0%。退税率:9.0%。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:
- 2923900090 other quaternary ammonium salts and hydroxides。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%