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2-Butenedioic acid(2Z)-, ammonium salt (1:1)

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%

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