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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
Category
Activity
Defoliant/Desiccant
Premix
Premix Parters: clomazone;
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)

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