Anhydrous Citric Acid CAS#77-92-9
Strong Acidifying & Flavor Enhancing Performance: Pure and mild sour taste, adjust product acidity efficiently, boost fruit flavor, balance sweet taste without strange odor, widely used in food and beverage formulation.
Excellent Chelating & Antioxidant Auxiliary Effect: Powerful metal ion chelating capacity, restrain oxidation and browning of raw materials, extend shelf life of finished products.
Stable Anhydrous Crystal Form: Low moisture content, not easy to caking under normal sealed storage, good fluidity and dispersion, convenient for automatic batching production.
Wide Compatibility & Multi-industry Applicability: Compatible with most food raw materials, cosmetics and industrial formulations, safe and non-toxic with low dosage and remarkable effect.
Anhydrous citric acid is an organic acid fermented from starch raw materials, high purity crystalline powder, the most universal acidulant and functional auxiliary in global food, daily chemical and industrial fields.
Chemical & Physical Properties
| Property | Value |
|---|---|
| Melting point | 153–159 °C |
| Density | 1.665 g/cm³ |
| Storage temp | Cool, dry and airtight warehouse, avoid high temperature and moisture |
| Solubility | Highly soluble in water, soluble in ethanol |
| Form | Colorless transparent crystal / white crystalline powder |
| Color | Pure white |
| Odor | Odorless with clean sour taste |
| PH Value | 2.2 (1% aqueous solution) |
| Hygroscopicity | Slightly hygroscopic in high humidity environment |
| Stability | Stable at room temperature, no decomposition under normal storage |
| EINECS No. | 201-069-1 |
| CAS DataBase Reference | 77-92-9 |
Safety Information
| Item | Value |
|---|---|
| Hazard Codes | Xi |
| Risk Statements | R36 |
| Safety Statements | S26, S36 |
| F | Non-flammable |
| TSCA | Yes |
| HS Code | 2918140000 |
Main applications: Food & beverage acidulant, food preservative synergist, feed additive, cosmetic pH regulator, metal cleaning agent, industrial water treatment chelating agent, pharmaceutical raw material.






