Citric Acid (CAS 77-92-9, E330) is a weak tricarboxylic acid naturally abundant in citrus fruits and produced commercially by fermentation. It is one of the most widely used organic acids in the world — an essential acidulant, pH adjuster and chelating agent for food & beverage, personal care and industrial formulations.
Physical & Chemical Properties
- INCI: Citric Acid
- CAS number: 77-92-9 (food additive E330)
- Appearance: white crystalline powder (anhydrous or monohydrate)
- Solubility: freely soluble in water; soluble in ethanol
- Molecular formula: C6H8O7
- Ionic type: tricarboxylic acid
- Source: citrus fruits / fermentation
Key Benefits for Formulation
- Acidulant: provides clean, tart flavor and pH control in beverages and foods
- pH adjuster: optimizes formula pH in cosmetics and personal care
- Chelating agent: binds metal ions, protecting formulas and enhancing stability
- Preservative synergy: supports antimicrobial systems in food and cosmetics
- Universally recognized: GRAS in food, widely listed in cosmetic inventories
Main Applications
- Beverages: soft drinks, juices, functional drinks
- Food processing: jams, candies, dairy, canned goods
- Cosmetics & personal care: pH adjustment, chelation
- Cleaning & industrial formulations: descaling, chelation
- Pharmaceutical & nutraceutical processing
Why Choose Our Bulk Citric Acid?
- GMP manufacturing: full quality control from raw material to finished product
- Complete documentation: COA, SDS and heavy metal test reports available on request
- Flexible supply: MOQ and lead time on inquiry, from R&D samples to mass production
- Export experience: reliable shipping to EU, North America, Australia and Middle East
Recommended Usage
Dosage depends on application: 0.1%–1% for typical beverage acidity; cosmetic pH adjustment per formula target. Freely water-soluble, easy to incorporate. Always validate against regulatory limits for food applications.
FAQ About Wholesale Citric Acid
What is the CAS number of citric acid?
CAS 77-92-9, also known as E330.
What is the INCI name?
Citric Acid.
Is citric acid water soluble?
Yes — it is freely soluble in water and soluble in ethanol.
Is citric acid safe for food use?
Yes — citric acid is recognized as safe (GRAS) in food applications and widely used as an acidulant worldwide.
Can citric acid be used in cosmetics?
Yes — it is commonly used as a pH adjuster and chelating agent in personal care formulations.
What is the molecular formula?
C6H8O7.
What is the typical dosage in beverages?
0.1%–1% depending on target acidity.
Start Your Citric Acid Bulk Order
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