Citric acid

Citric acid is a chemical compound registered under number CAS 77-92-9, with the molecular formula C₆H₈O₇, and a molar mass of 192.12 g/mol.

The molecule contains 21 atoms connected by 20 chemical bonds. The full systematic IUPAC name of this compound is 2-hydroxypropane-1,2,3-tricarboxylic acid. The interactive 3D model above lets you view the spatial arrangement of the atoms — you can rotate it with the mouse, zoom with the scroll wheel, and switch between skeletal / Ball & Stick / Space Fill visualization modes.

In terms of physicochemical properties, the partition coefficient logP = -1.7 (negative value, a hydrophilic compound), polar surface area PSA = 132 Ų, 4 donors and 7 hydrogen bond acceptors. These parameters are key when assessing bioavailability and interaction with biomolecules.

Chemical data for this compound comes from PubChem (NIH NLM NCBI), one of the world's largest chemical databases. All information is updated automatically and enriched with GHS hazard statement translations compliant with the CLP Regulation (EC 1272/2008). The widget above may be used for educational, research and commercial purposes.

Molecular formula	C6H8O7
Masa molowa	192.12 g/mol
IUPAC	2-hydroxypropane-1,2,3-tricarboxylic acid
SMILES	C(C(=O)O)C(CC(=O)O)(C(=O)O)O
InChIKey	KRKNYBCHXYNGOX-UHFFFAOYSA-N
logP (XLogP3)	-1.7
PSA	132 Ų
HBD / HBA	4 / 7
PubChem CID	CID 311 ↗

Signal word: Warning

H319 — Działa drażniąco na oczy

H335 — Może powodować podrażnienie dróg oddechowych

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

• 📊 PubChem CID 311 — NIH
• 🔬 NIST WebBook — spektroskopia
• 🌐 Wikidata
• 💊 ChEMBL — bioaktywność