CAS: 636-61-3; MF: C4H6O5; FW: 134.09;

Properties: White crystals or white crystalline powder, easily soluble in water, alcohol and other organic solvent. Its aqueous solution acidic.

Chemical Purity: 99.0%min; 98.0%e. E;
Optical Rotation(e. E%, chiral HPLC): 98.0%
Specific rotation: [a]D20= +1.6º C~+2.6; C(C=8.5, H2O);
Arsenic(AS2O3): 2.0mg/kg; Residue on lignition: 0.1%max;
Cholride[Cl-]: 0.01max;
Sulfate: 0.04%max