Chemical Product Library / Reference

Citric acid

Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.

Molecular structure for Citric acid

Chemical identity

English nameCitric acid
English synonymsCitric acid;2-Hydroxypropane-1,2,3-tricarboxylic acid;Anhydrous citric acid
Chinese name柠檬酸
Chinese synonyms枸橼酸;无水柠檬酸;柠檬酸
Chemical categoryFood Acids & Regulators
CAS No.77-92-9
EINECS No.201-069-1
Molecular formulaC6H8O7
Molecular weight192.12
PubChem structure images are reference depictions, not proof of composition, purity, grade, or regulatory status. Mixtures and polymers may not have a single representative structure.

Technical indicators

Assay ≥99.5%; water ≤0.5% (anhydrous); heavy metals (as Pb) ≤5 ppm; residue on ignition ≤0.05%; oxalate ≤0.01%

Performance characteristics

White crystalline powder, soluble in water, pleasant acidic taste

Application scenarios

Food acidulant, beverage, pharmaceutical excipient, cleaning agent, cosmetics