| Appearance:White or off-white powder
Empirical Formula: C8H7O3Na
Molecular Weight: 174.1
Specification:
Solubility :Freely soluble in water, sparingly soluble in methylene chloride,slightly soluble in methanol
Identification:IR
Chloride test
Clarity :Clear and colorless
PH:4.0～6.5
Impurity E(TLC):≤ 0.5%
Related Substances:Impurity A: ≤ 1.0%
ImpurityB: ≤ 0.5%
ImpurityC: ≤ 0.2%
ImpurityD: ≤ 0.1%
Any other impurity: ≤ 0.1%
Total Impurities: ≤ 1.0%
Loss On Drying:≤ 0.5%
Residue On Ignition:≤ 0.1%
Assay:97.0%～102.0%
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