Back to Compound Library

Citric Acid (C₆H₈O₇) — Properties, Uses & Safety

🍎 Food Chemistry & Flavor

Overview

The tart compound in citrus fruits; widely used as a food additive, preservative, and flavoring agent.

IUPAC Name: 2-hydroxypropane-1,2,3-tricarboxylic acid
CAS Number: 77-92-9
PubChem CID: 311
Molecular Formula: C₆H₈O₇
Molar Mass: 192.124 g/mol
State at STP: solid
Appearance: White crystalline powder, intensely sour

Safety Information

GHS Hazard Codes

H319

GHS Pictograms

exclamation

Explore Citric Acid in 3D

Interact with the 3D molecular structure, run virtual experiments, and learn with our AI chemistry tutor in MyChemLab AI.

Open in MyChemLab AI