POTASSIUM CHLORATE

PRODUCT IDENTIFICATION
CAS NO. 3811-04-9

POTASSIUM CHLORATE
EINECS NO. 223-289-7
FORMULA KClO3
MOL WT. 122.54

H.S. CODE

 2829.11
TOXICITY Oral rat LD50: 1870 mg/kg
SYNONYMS Potash Chlorate; Chloric Acid, Potassium Salt;
Berthollet salt; Chlorate of Potash;
DErivation electrolysis of hot concentrated solutions of potassium chloride

CLASSIFICATION

 

PHYSICAL AND CHEMICAL PROPERTIES
PHYSICAL STATE white crystalline solid, saline taste
MELTING POINT

356 C
BOILING POINT Decomposes above 400 C
SPECIFIC GRAVITY 2.32
SOLUBILITY IN WATER soluble (moderately soluble in ethanol)
pH  
VAPOR DENSITY 4.2

AUTOIGNITION

  

NFPA RATINGS

 Health: 1 Flammability: 0 Reactivity: 1 Other: Oxidizer

REFRACTIVE INDEX

 
FLASH POINT Not combustible
STABILITY Stable under ordinary conditions

APPLICATIONS
Potassium Chlorate is a powerful oxidizing agent. It is used to manufacture explosives and matches because of its ability to produce oxygen. Chlorate is a powerful ingredient of bleaching powder used in paper and pulp processing and calico printing. It is used also a weed killer and defoliant.
SALES SPECIFICATION

APPEARANCE

white crystalline solid
ASSAY
99.5% min

WATER INSOLUBLES

0.03% max
CHLORIDES

0.02% max
SULFATE SALTS

0.02% max

BROMATES

0.03% max

Fe

0.003% max

WATER

0.5% max
TRANSPORTATION
PACKING 50kgs in drum
HAZARD CLASS 5.1 (Packing Group: II)
UN NO. 1485
OTHER INFORMATION
European Hazard Symbols: XN O, Risk Phrases: 20/22-8, Safety Phrases:13-16-27
Chlorate is the common name for chlorate(V) salt. The related names to the acids are clear when the oxidation number statement is appended; hypochlorite [or chlorate(I)] contains the ion, ClO- ; chlorite [or chlorate(III)], ClO2-; Chlorate [or chlorate(V)], ClO3-; perchlorate [or chlorate(VII)], ClO4-.