Ammonium hydrogen maleate
Names
[ CAS No. ]:
44742-89-4
[ Name ]:
Ammonium hydrogen maleate
[Synonym ]:
ammonium fumarate
diammonium fumarate
diammonium salt of fumaric acid
Maleic acid 1-ammonium salt
Maleic acid monoammonium salt
fumaric acid ammonium salt
Chemical & Physical Properties
[ Density]:
1.499g/cm3
[ Boiling Point ]:
400.7ºC at 760 mmHg
[ Melting Point ]:
138-139ºC
[ Molecular Formula ]:
C4H7NO4
[ Molecular Weight ]:
133.10300
[ Flash Point ]:
196.1ºC
[ Exact Mass ]:
133.03800
[ PSA ]:
77.84000
[ LogP ]:
0.03570
Safety Information
[ HS Code ]:
2923900090
Customs
[ HS Code ]: 2923900090
[ 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%