Citric Acid, anhydrous

Independent reference data for Citric Acid, anhydrous (CAS 79586-22-4), compiled from public chemistry databases.

Registry identifiers across databases

Computed descriptors

Physicochemical values on record

Documented uses on record

A Compound from citrus fruits that is an intermediate in the tricarboxylic acid (Krebs) cycle. It is used as an acidifying agent in foods, beverages, and pharmaceuticals. Citrate chelates calcium ions and prevents blood clotting. It is also used as an anticoagulant for stored whole blood and red cells and also for blood specimens. (Dorland, 28th ed) [ChemIDplus]Active ingredient in products registered for residential and commercial use as disinfectants, sanitizers and fungicides ... products are used to kill odor-causing bacteria, mildew, pathogenic fungi, certain bacteria and some viruses. Citric acid products are used in bathrooms and in/on dairy and food processing equipment.

Synonyms and trade names

citric acid; 77-92-9; 2-hydroxypropane-1,2,3-tricarboxylic acid; Citric acid, anhydrous; Aciletten; Anhydrous citric acid; Citro; Citretten; Citric acid anhydrous; Chemfill; Hydrocerol A; 1,2,3-Propanetricarboxylic acid, 2-hydroxy-; 2-hydroxy-1,2,3-propanetricarboxylic acid; Kyselina citronova; 2-Hydroxytricarballylic acid; beta-Hydroxytricarballylic acid

Regulatory listings held on file

Regulatory & Food Contact

FDA Substance added to food: ANTIMICROBIAL AGENT, ANTIOXIDANT, ENZYME, FLAVOR ENHANCER, FLAVORING AGENT OR AD FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS FLAVOURING_AGENTFood Additives -> ACID; ANTIOXIDANT_SYNERGIS: Flavouring Agent Flavoring Agents Citric acid is produced from lemon or pineapple juice, by fermentation of carbohydrate solutions or other suit ANTIMICROBIAL AGENT, ANTIOXIDANT, ENZYME, FLAVOR ENHANCER, FLAVORING AGENT OR ADJUVANT, LEAVENING AGENT, PH CO

GHS notification summary

8.2% (359 / 4373)

GHS hazard classification

GHS notification summary	8.2% (359 / 4373)
Reported hazard statements	H319, H335, H315

H319: Causes serious eye irritation [Warning Serious eye damage/eye irritation]

H335: May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

What the public record says

Citric Acid, anhydrous · CAS 79586-22-4 · C6H8O7. UNII XF417D3PSL. Melting Point: 153; Melting Point: 153 °C; Flash Point: 100 °C.

Physical description and handling notes

Source: PubChem / Wikidata; the batch COA governs where values differ.