Molecular formula: C₁₂H₂₃N₃O₁₃
Molecular weight:417
Physical-chemistry property:
       White crystal powder, no smell, with citric acid taste, very easy to be dissolved in water, and the aqueous solution shows acidity.
Quality specification:

Item	Specification
Citric acid %	45-47
Nitrogen %	9.5-10.5
PH value(1% aqueous solution)	2.9-3.3
Loss on drying, %	≤0.5
Heavy metal(pb) %	≤10 ppm

Package:
       Cardboard barrel lined with phastic bag.
Usage:
       Used as acid source for effervescence tablet.