Citric Acid Anhydrous
Citric Acid Anhydrous Powder (BP, USP, FCC, E330)
Food-Grade Organic Acid for Food, Pharmaceutical & Industrial Applications
Product Identification
Product Name: Citric Acid Anhydrous
Chemical Name: 2-Hydroxy-1,2,3-propanetricarboxylic acid
CAS Number: 77-92-9
E Number: E330
Pharmacopoeial Grades: BP, USP, FCC
Molecular Formula: C₆H₈O₇
Molecular Weight: 192.12 g/mol
Form: Anhydrous crystalline powder
Product Overview
Citric Acid Anhydrous is a food-grade organic acid widely used as an acidulant, buffering agent, chelating agent, and flavour enhancer across food, beverage, pharmaceutical, cosmetic, and industrial applications. The anhydrous form offers excellent stability, consistent acidity, and ease of handling in dry formulations.
Manufactured to comply with BP, USP, and FCC specifications, Ausamics Citric Acid Anhydrous delivers high purity, predictable performance, and broad regulatory acceptance. Its clean acidic profile and compatibility with a wide range of formulations make it one of the most versatile organic acids used in modern manufacturing.
Synonyms & Identifiers
Citric acid (anhydrous)
E330
2-Hydroxypropane-1,2,3-tricarboxylic acid
Key Features & Benefits
Food-grade quality meeting BP, USP, and FCC standards
Anhydrous form for improved stability and flow properties
High purity and consistent acidity
Excellent solubility in water
Versatile functionality across food, pharmaceutical, and industrial uses
Supplied with Certificate of Analysis (COA)
Typical Applications
Food & Beverage Manufacturing
Acidulant and flavour enhancer in beverages, confectionery, bakery products, sauces, preserves, and processed foods
pH adjustment and buffering in formulated food products
Pharmaceutical & Nutritional Applications
Excipient and pH adjuster in pharmaceutical formulations
Component in effervescent tablets and powders
Nutritional supplements and medical nutrition products
Cosmetic & Personal Care
pH regulation in creams, lotions, shampoos, and personal care formulations
Industrial & Technical Use
Chelating agent in cleaning formulations
Water treatment and scale control
General chemical processing applications
Chemical & Functional Principle
Citric acid is a weak tricarboxylic organic acid that functions as an effective pH regulator and chelating agent. Its three carboxyl groups allow it to bind metal ions and stabilise formulations, while its mild acidity enables precise control of pH in aqueous systems.
Typical Specifications
Assay (Citric Acid): ≥ 99.5 %
Appearance: White to colourless crystalline powder
Solubility: Freely soluble in water
Water Content: ≤ 0.5 % (anhydrous)
(Exact analytical values are provided in the batch-specific Certificate of Analysis.)
Physical Properties
Appearance: White crystalline powder
Odour: Odourless
Taste: Strongly acidic
Hygroscopicity: Slight
Storage & Stability
Store in a cool, dry place
Keep container tightly closed
Protect from moisture
Stable under recommended storage conditions
Regulatory & Compliance Information
Permitted food additive (E330) in Australia and internationally
Complies with BP, USP, and FCC monographs
Recognised under Codex Alimentarius standards
Regulatory status may vary by country and intended application
Supplied with batch-specific Certificate of Analysis (COA)
SDS and technical documentation available upon request
Intended Use
Supplied as a food-grade citric acid suitable for food, beverage, pharmaceutical, cosmetic, and industrial applications where permitted.
Final product suitability, use levels, and regulatory compliance must be determined by the end user in accordance with FSANZ, Codex Alimentarius, and other applicable national regulations.
Not intended for therapeutic or medicinal use.
Quality & Supply Assurance
Manufactured and packed under controlled conditions
Consistent batch-to-batch quality
Technical support provided by Ausamics Life Science
Customs & Trade Information
HS / AHECC Code: 2918.14.00
Citric acid