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Iodic acid

IUPAC: iodic acid

HIO3 Acids CAS 7782-68-5
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Quick Reference
Formula / NotationHIO3
CAS Number7782-68-5
Molecular Weight175.911
AppearanceColorless solid; [Hawley] Colorless or light yellow powder; [MSDSonline] Forms rhombohedral crystals--decompose at 110 deg C; [Ullmann]
Also Known As7782-68-5; Monoiodic acid; Iodic acid (HIO3); 6U8J18JSBM; DTXSID2064812; CHEBI:24857; RefChem:923486; DTXCID9048013; 231-962-1; HIO3
CategoryAcids

What is Iodic acid?

Iodic acid is an iodine oxoacid. It has a role as an astringent. It is a conjugate acid of an iodate.

Formula & Notation

HIO3

IUPAC Name: iodic acid

Other Names / Synonyms: 7782-68-5; Monoiodic acid; Iodic acid (HIO3); 6U8J18JSBM; DTXSID2064812; CHEBI:24857; RefChem:923486; DTXCID9048013; 231-962-1; HIO3

Properties & Characteristics

Appearance: Colorless solid; [Hawley] Colorless or light yellow powder; [MSDSonline] Forms rhombohedral crystals--decompose at 110 deg C; [Ullmann]. Molecular formula: HIO3. Molecular weight: 175.911 g/mol. LogP: -0.3.

Physical Data

PropertyValue
Molecular Weight175.911
AppearanceColorless solid; [Hawley] Colorless or light yellow powder; [MSDSonline] Forms rhombohedral crystals--decompose at 110 deg C; [Ullmann]

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 Iodic acid
Formula HIO3
CAS Number 7782-68-5
Molecular Weight 175.911
Category Acids
Synonyms 7782-68-5; Monoiodic acid; Iodic acid (HIO3); 6U8J18JSBM; DTXSID2064812; CHEBI:24857; RefChem:923486; DTXCID9048013; 231-962-1; HIO3

Frequently Asked Questions

Iodic acid is an iodine oxoacid. It has a role as an astringent. It is a conjugate acid of an iodate.

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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.