White crystals or crystalline powder , Special acidity
Assay
≥99.0%
Specific Rotation [α]²°D
-1.6° to -2.6°
Sulfate(SO4)
≤0.02%
Chloride(Cl)
≤0.004%
Arsenic(As)
≤2.0mg/kg
Heavy metal(Pb)
≤10mg/kg
Lead Pb
≤2mg/kg
Fumaric acid
≤0.5%
Maleic acid
≤0.05%
State of solution
Pass
Residue on ignition
≤0.10%
APPLICATION:
Malic acid is a chemical found in certain fruits and wines. It is sometimes used as medicine. People take malic acid by mouth for fibromyalgia. People apply malic acid to the skin for acne, warts, calluses, and other skin problems. People apply malic acid inside the mouth for dry mouth. In foods, malic acid is used as a flavoring agent to give food a tart taste. In manufacturing, malic acid is used to adjust the acidity of cosmetics.