Citric acid monohydrate

Citric acid monohydrate (CAS 5949-29-1), designated E330 in food and beverage applications, is a crystalline organic acid produced with one molecule of water of crystallization.

Where is Citric acid monohydrate used?

• Food and beverage: acidulant and preservative in soft drinks, confectionery and canned goods, controlling pH and inhibiting microbial growth
• Pharmaceutical: buffer for oral solutions and effervescent tablets
• Topical preparations: pH adjustment for stability and active ingredient compatibility
• Personal care: pH adjuster and chelating agent in shampoos, skin creams and hair rinses, sequestering hard water minerals
• Water treatment: removes scale deposits and chelates heavy metal ions in industrial cleaning
• It acidifies and preserves products in food and beverage manufacturing.

Good to know: Technical grade is available for industrial and water treatment applications where pharmaceutical-level purity is not required.

Commercial specifications

• Grades: FCC, USP, BP, Ph. Eur.