2,3-dihydroxy-2-methyl-propanoic acid
Names
[ CAS No. ]:
21620-60-0
[ Name ]:
2,3-dihydroxy-2-methyl-propanoic acid
[Synonym ]:
2-methyglyceric acid
2,3-DIHYDROXY-2-METHYL-PROPANOIC ACID
2,3-dihydroxy-2-methylpropionate
Propanoic acid,2,3-dihydroxy-2-methyl
2-methyl-2,3-dihydroxypropanoic acid
a-methylglycerate
2,3-dihydroxy-2-methylpropionic acid
2-methylglyceric acid
2-methylglycerate
Chemical & Physical Properties
[ Density]:
1.425g/cm3
[ Boiling Point ]:
358.8ºC at 760mmHg
[ Molecular Formula ]:
C4H8O4
[ Molecular Weight ]:
120.10400
[ Flash Point ]:
185ºC
[ Exact Mass ]:
120.04200
[ PSA ]:
77.76000
[ Vapour Pressure ]:
1.36E-06mmHg at 25°C
[ Index of Refraction ]:
1.509
Safety Information
[ HS Code ]:
2918290000
Customs
[ HS Code ]: 2918290000
[ Summary ]:
HS: 2918290000 other carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) VAT:17.0% MFN tariff:6.5% General tariff:30.0%