Citric Acid
TL;DR: Citric Acid (CAS 77-92-9) is a chemical compound with molecular formula C6H8O7 and molecular weight 192.02701 g/mol, supplied by CoreyChem (Career Henan Chemical Co., Ltd.) with ISO-certified quality and global shipping.
2-hydroxypropane-1,2,3-tricarboxylic acid
Also Known As: citric acid, citrate, Aciletten, Citric acid, anhydrous, Citro
Application Areas
Top 5 of 22 IPC patent classification(s) from the SureChEMBL global patent database.
Technical Specifications
| Molecular Formula | C6H8O7 |
| Molecular Weight | 192.02701 g/mol |
| XLogP | -1.7 |
| Topological Polar Surface Area (TPSA) | 132.0 Ų |
| Hydrogen Bond Donors | 4 |
| Hydrogen Bond Acceptors | 7 |
| Rotatable Bonds | 5 |
| Exact Mass | 192.02701 Da |
| Heavy Atoms | 13 |
| Complexity | 227.0 |
| Purity | ≥99.5% |
| Melting Point | 307 °F (anhydrous) (NTP, 1992) |
| Boiling Point | Decomposes (NTP, 1992) |
| Density | 1.54 at 68 °F (USCG, 1999) - Denser than water; will sink |
| Flash Point | 100 °C |
| Refractive Index | INDEX OF REFRACTION: 1.493, 1.498, 1.509 @ 20 °C /CITRIC ACID HYDRATE/ |
| Solubility | greater than or equal to 100 mg/mL at 72 °F (NTP, 1992) |
| SMILES | C(C(=O)O)C(CC(=O)O)(C(=O)O)O |
| InChIKey | KRKNYBCHXYNGOX-UHFFFAOYSA-N |
Safety Information
H319, H335
Chemical Property Profile of Citric Acid
Property Insights of Citric Acid
The XLogP value of -1.7 indicates that Citric Acid is hydrophilic (water-soluble), making it suitable for aqueous formulations and biological assay applications. The TPSA of 132.0 Ų falls within the moderate polarity range, balancing permeability and solubility for Citric Acid. Following Lipinski's Rule of Five, Citric Acid has 4 hydrogen bond donor(s) and 7 hydrogen bond acceptor(s), all within the drug-like range, suggesting favorable oral bioavailability potential.
Frequently Asked Questions
What is the CAS number of Citric Acid?
The CAS number of Citric Acid is 77-92-9.
What is the molecular formula of Citric Acid?
The molecular formula of Citric Acid is C6H8O7.
What is the molecular weight of Citric Acid?
The molecular weight of Citric Acid is 192.02701 g/mol.
Where can I buy Citric Acid?
You can request a quote for Citric Acid directly from CoreyChem. Contact us or email [email protected] for pricing and availability.
Does CoreyChem offer custom synthesis for Citric Acid?
Yes, CoreyChem provides custom synthesis services for Citric Acid and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.
Related Articles
Citric Acid (CAS 77-92-9) — Green Chemistry and Food-Grade Applications Guide
**Citric Acid (CAS 77-92-9)** is a organic acid / food additive with the molecular formula **C₆H₈O₇** and molecular weight **192.12 g/mol**. [SRC-001] The IUPAC systematic name is **2-hydroxypropane-1,2,3-tricarboxylic acid**. [SRC-001] It appears as a **white crystalline powder or granules**.