Sodium chlorate

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Chemical Identification | General Product Information | Physical & Safety Data

Chemical Identification

Common Name

Sodium chlorate

中文通用名

氯酸钠

IUPAC

sodium chlorate

CAS

sodium chlorate

CAS No.

7775-09-9

Molecular Formula

ClNaO₃

Molecular Structure

General Product Information

Category

Herbicides > Inorganic herbicides

Activity

Defoliant/Desiccant

Premix

Premix Parters: clomazone;

Physical & Safety Data

Physical Properties

Molecular weight:106.4; Physical form:Colourless powder. Density:2.490 (15 °C); Melting point:248 °C; Vapour pressure:Negligible at room temperature; Solubility:In water 790 g/l (0 °C), 2300 g/l (100 °C). In 90% alcohol 16 g/kg. Soluble in glycerol.; Stability:Stable at normal temperatures if no acidic or oxidisable substances or ammonium salts are present. A potent oxidising agent, reacting with organic materials, so creating a serious fire hazard, for example with splashed clothing. Marketed formulations cont;

Toxicology

Oral:Acute oral LD₅₀ for rats 1200 mg/kg (E. F. Edson, Pharm. J., 1960, 185, 361). Percutaneous:Irritating to skin and mucous membranes. Phytotoxicity:Phytotoxic to all crops. ADI:(Japan) 0.025 mg/kg b.w. (provisional value).

Environmental Profile

Ecotoxicology:
Algae:Toxic to algae.Bees:Not toxic to bees. Not applied when plants are in flower.Daphnia:Not toxic.Fish:Toxic to fish; LC₅₀ (24 h) for rainbow trout 4200, harlequin fish 8600 mg/l.Worms:Not toxic to worms.

Environmental fate:
Soil:Remains in soil for 0.5 to 5 years, depending upon rate of application, soil type, fertility, organic matter content, moisture, and weather conditions.

Transport Information

Signal Word:WARNING; Hazard Class:II(Moderately hazardous)