English name: 2-Methylpropanedioic acid 

English alias: METHYLMALONIC ACID;METHYLPROPANEDIOIC ACID;2-METHYLPROPANEDIOIC ACID;PROPANEDIOIC ACID, METHYL-;1,1-Ethanedicarboxylic acid;1,1-ethanedicarboxylicacid;2-Methylmalonic acid;2-methylmalonicacid   

CAS number:  516-05-2      

EINECS number: 208-219-5

Formula: C4H6O4

Molecular weight: 118.09

Melting point: 129-136°C

Boiling point: 334.4°C at 760 mmHg

Flash point: 170.2°C

Appearance:Crystal.Soluble in water, easily soluble in alcohol and ether

Application:Pharmaceutical intermediates