CAA Granular


Citric Acid Anhydrous consists of colorless crystals or a white, granular to fine powder, practically odourless, whit a strong acid taste.


As an acidulant, flavor enhancer and sequestering agent in processed food and beverages, and as a synergist in antioxidant mixtures.

For pharmaceutical preparations, especially effervescent tablets.

This product is not intended for use in the manufacture of sterile drug products. The purchaser assumes all responsibility for additional processing , testing, labeling and registration required for such use.


Product identification

Product codes:


Chemical name: 2-hydroxy-1 , 2, 3-propanetricarboxylic acid

Synonyms: citric acid

CAS No.: 77-92-9

EIN ECS No.: 201-069-1

I NCI name: citric acid Empirical

formula: C6H8O7

Molecular mass: 192.12 g/mol


Apprance: colorless crystals or white, granular to fine powder

Identity: corresponds

Water(K. Fischer): max. 0.2%

Extraneous matter: passes test

Heavy metals: max. 1 ppm

Arsenic: max 0.1 ppm

Lead: max. 0.5 ppm

Mercury: max. 1 ppm

Copper: max. 1 ppm

Zinc: max. 1 ppm

Iron: max. 1 ppm

Calcium: max. 10 ppm

Magnisium: 1 ppm

Aluminium: max 0.2 ppm

Chorides: max 5 ppm

Sulphates: max. 30 ppm

Oxalates: max. 10 ppm

on ignition: max. 0.05%

Bacterial Endotoxins: max. 0.5 I.U./mg

Readily carbonizable substances: passes test

Related substances: passes test

Sulphated ash: meets USP requirements

Tridodecylamine: meets FCC requirements

Polycyclic aromatic hydrocarbons: meets JPFA requirements

Colour (500 g/l, Tat 405 nm, 1 cm): min. 98%

Assay: 99.8-100.2% (on anhydrous substance)

Fineness (US standard sieves)


ON No.8 (2380 µm) max. 5%

Through No.50 (300 µm) max. 10%

Packaging Specification




Citric Acid Anhydrous is very solution in water, freely soluble in ethanol and sparingly soluble in ether.

Stability and storage

Citric Acid Anhydrous may be stored for 36 months from the date of manufacture in the

Unopened original container. A relative humidity of 50% and a temperature range of 10-35

“C are the most suitable conditions for storage.

Temperatures above 40 “C should be avoided in order to prevent caking, especially the Fine Granular. The stacking of the Fine Granular for long periods is not recommentded.

Stability tests have shown that citric acid anhydrous is chemically stable for at least five years in tightly closed containers under proper storage conditions.

Compendial compliance

Citric Acid Anhydrous meets all requirements of the USP, FCC,Ph. Eur. and JP when tested according to these compendia.


This product is safe for the intended use. Avoid inhalation of dust, contact with eyes and prolonged contact information with skin by applying suitable protective measures and personal hygiene.

For full safety information and necessary precautions, please refer to the respective Material Safety Data Sheet.

Legal notice

The information give in this publication is based on our current knowledge and experience, and may be used at your discretion and risk. It does not relieve you from carrying out your own precautions and tests. We do not assume any liability in connection with your product or its use.

You must comply with all applicable laws and regulation, and observe all third all party rights.

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