Agent Name

Iodic acid

CAS Number

7782-68-5

Formula

H-I-O3

Major Category

Toxic Gases & Vapors

Synonyms

Monoiodic acid; [ChemIDplus] UN3085

Category

Acids, Inorganic

Description

Colorless solid; [Hawley] Colorless or light yellow powder; [MSDSonline] Forms rhombohedral crystals--decompose at 110 deg C; [Ullmann]

Sources/Uses

Used as an astringent and disinfectant; [Merck Index] Used in analytical chemistry and in medicine (as 1-3% solution); [Hawley]

Comments

Reacts vigorously with organic matter; Oxidizes iodide to iodine, sulfite to sulfate, and hydrogen sulfide to sulfur; [Ullmann] Corrosive to skin and eyes; [eChemPortal: ERMA] May cause fire on contact with combustible materials; A corrosive substance that can cause injury to the skin, eyes, and respiratory tract; Inhalation may cause chemical pneumonitis; [MSDSonline]

Exposure Assessment
Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Oxidizing solid, corrosive, n.o.s."

Adverse Effects
Toxic Pneumonitis

Yes

Dermatotoxin

Skin Burns

Links to Other NLM Databases
Toxicity Information

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Chemical Information

Search ChemIDplus

Related Information in HazMap
Processes

Industrial Processes with risk of exposure: