C

Carbonic acid

IUPAC: carbonic acid

CH2O3 Acids CAS 463-79-6
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Quick Reference
Formula / NotationCH2O3
CAS Number463-79-6
Molecular Weight62.025
Melting Point720 °C
Solubility12.8 mg/mL (cold water)
AppearanceSolid
Also Known As463-79-6; Dihydrogen carbonate; H2CO3; DTXSID9043801; CHEBI:28976; Acid, Carbonic; RefChem:6524; DTXCID7023801; 610-295-3; 682-330-0
CategoryAcids

What is Carbonic acid?

Carbonic acid is a carbon oxoacid and a chalcocarbonic acid. It has a role as a mouse metabolite. It is a conjugate acid of a hydrogencarbonate.

Formula & Notation

CH2O3

IUPAC Name: carbonic acid

Other Names / Synonyms: 463-79-6; Dihydrogen carbonate; H2CO3; DTXSID9043801; CHEBI:28976; Acid, Carbonic; RefChem:6524; DTXCID7023801; 610-295-3; 682-330-0

Properties & Characteristics

Appearance: Solid. Molecular formula: CH2O3. Molecular weight: 62.025 g/mol. Melting point: 720 °C. Solubility: 12.8 mg/mL (cold water). LogP: -0.1.

Physical Data

PropertyValue
Melting Point720 °C
Molecular Weight62.025
Solubility12.8 mg/mL (cold water)
AppearanceSolid

Uses & Applications

Used in industrial chemical synthesis, fertilizer production, battery electrolytes, metal processing, and laboratory acid-base reactions.

Safety Information

Corrosive. Causes severe burns to skin, eyes, and respiratory tract. Wear appropriate PPE including gloves, goggles, and lab coat. Consult SDS before use.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Carbonic acid
Formula CH2O3
CAS Number 463-79-6
Molecular Weight 62.025
Category Acids
Synonyms 463-79-6; Dihydrogen carbonate; H2CO3; DTXSID9043801; CHEBI:28976; Acid, Carbonic; RefChem:6524; DTXCID7023801; 610-295-3; 682-330-0

Frequently Asked Questions

Carbonic acid is a carbon oxoacid and a chalcocarbonic acid. It has a role as a mouse metabolite. It is a conjugate acid of a hydrogencarbonate.

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Editorial standards: Chemical data is sourced from peer-reviewed literature, CAS Registry, NIST WebBook, and PubChem. Safety information reflects guidance from OSHA, ECHA, and IAEA. For educational purposes only — always consult official SDS documentation and qualified professionals before handling chemicals.