Agent Name

Calcium chlorate

CAS Number

10137-74-3

Formula

Ca.2Cl-H-O3

Major Category

Metals

Synonyms

Calcium chlorate (Ca(ClO3)2); Chlorate de calcium [French]; Kaliumchloraat [Dutch]; Kaliumchlorat [German]; Chloric acid, calcium salt; [ChemIDplus] UN1452

Category

Metals, Inorganic Compounds

Description

Colorless odorless solid; Soluble in water; [HSDB]

Sources/Uses

Used as a herbicide, insecticide, and seed disinfectant; Also used in photography, pyrotechnics, and the production of potassium chlorate; No longer registered as a pesticide for use in the US; [HSDB]

Comments

A skin, eye, and respiratory tract irritant; Inhalation of dust can cause upper respiratory tract irritation; Toxic by ingestion--can induce methemoglobinemia; Oral LD50 (rat) = 4500 mg/kg; [HSDB] See "Sodium chlorate." See "Calcium." See "CHLORATES."

Adverse Effects
Methemoglobinemia

Methemoglobinemia, Secondary

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