Agent Name

Potassium bromate

CAS Number

7758-01-2

Formula

Br-O3.K

Major Category

Other Classes

Synonyms

Bromic acid, potassium salt; [ChemIDplus] Bromate de potassium (French); Bromato de potasio (Spanish); [CHEMINFO] UN1484

Category

Halogens, Inorganic Compounds

Description

White solid; [Merck Index] White odorless crystalline solid; Soluble in water; [MSDSonline]

Sources/Uses

Used as a dough conditioner, oxidizing agent, permanent wave compound, food additive, packaging material, skin bleaching agent, industrial cleaner, and malting agent for barley; [HSDB]

Comments

"Ingestion may cause vomiting, diarrhea, methemoglobinemia, renal injury." [Merck Index] A skin, eye, and mucous membrane irritant; [HSDB] A skin, eye, and respiratory tract irritant; May cause effects on the kidneys and CNS after ingestion; [ICSC] An irritant that is toxic by ingestion; In poisoning cases, there was evidence of methemoglobin formation, and injury to the brain, kidneys, and liver; Loss of hearing was also reported; [AIHA] Oral LD50 = 160-500mg/kg in animal experiments; Ingestion of 2-4 ounces of 2% potassium bromate solution is life threatening in children; [Haddad, p. 1387]

Exposure Assessment
WEEL

0.1 mg/m3

Adverse Effects
Neurotoxin

Other CNS Neurotoxin

Hepatotoxin

Hepatotoxin, Secondary

Nephrotoxin

Yes

Methemoglobinemia

Methemoglobinemia, Secondary

IARC Carcinogen

Possible Carcinogen

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Biomedical References

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Related Information in HazMap
Processes

Industrial Processes with risk of exposure: