Molecular formula: C₃H₅NaO₃ 
Relative Molecular Mass: 112.06 
CAS NO.:72-17-3
Structural formula:

Properties: 2-Hydroxypropanoic Acid, Monosodium Salt solution is one kind of transparent, colorless or almost colorless, pr slight thick liquid, odorless or slight smell, concentration of solution is about 50%～70%. 
Specification: 2-Hydroxypropanoic Acid, Monosodium Salt : 60% ; 70%. or following your demands: 50%～70%. 

Standard: FCCV  & JECFA. 
Technical Index:

Item	Index
Identification test	positive in kali salt test, positive in lactic test
Chroma	≤50 APHA
Assay	≥60%    /     ≥70%
Chloride	≤0.05%
Sulfate	≤0.005%
Salts of oxalic acid.phosphoric acid. tartaric acid.citric acid	qualified
Reducing sugar	qualified
PH value	5.0～9.0
Pb	≤2 mg/kg
Cyanide	≤0.5 mg/kg
Methanol and methyl ester	≤0.025%

Packing: Food grade PE plastic drum, net wt25KG/drum or 250KG/drum