POTASSIUM PERCHLORATE

PRODUCT IDENTIFICATION

CAS NO. 7778-74-7

POTASSIUM PERCHLORATE

EINECS NO. 231-912-9
FORMULA KClO4
MOL WT. 138.54

H.S. CODE

2829.90
TOXICITY  
SYNONYMS Perchloric acid, potassium salt; Potassium Hyperchlorate;
Astrumal; Perchloracap;
DERIVATION  

CLASSIFICATION

 

PHYSICAL AND CHEMICAL PROPERTIES

PHYSICAL STATE white crystalline solid
MELTING POINT

400 C (Decomposes)

BOILING POINT  
SPECIFIC GRAVITY 2.52
SOLUBILITY IN WATER soluble (Insoluble in alcohol)
pH 5.5 - 8.5
VAPOR DENSITY  

AUTOIGNITION

 

NFPA RATINGS

Health: 2 Flammability: 0 Reactivity: 1 Other: Oxidizer

REFRACTIVE INDEX

 

FLASH POINT  
STABILITY Stable under ordinary conditions. Hygroscopic.

APPLICATIONS

Potassium Perchlorate is used in the pyrotechnics to give a bright light for illumination. It is a powerful oxidizing agent. It is used to manufacture explosives and matches because of its ability to produce oxygen. Perchlorate is a powerful ingredient of bleaching powder used in paper and pulp processing and calico printing.
SALES SPECIFICATION (MONOHYDRATE)

APPEARANCE

white crystalline solid
ASSAY
99.0% min

PARTICLE SIZE

1.0% max (bigger than 150µm)

CHLORIDES

0.03% max

CHLORITES

Not detected

CHLORATES

0.03% max

WATER INSOLUBLES

0.03% max

WATER

0.5% max

TRANSPORTATION
PACKING 25kgs in drum
HAZARD CLASS 5.1 (Packing Group: II)
UN NO. 1489
OTHER INFORMATION
Hazard Symbols: XN O, Risk Phrases: 9-20/22, Safety Phrases:13-22-27
Perchlorate is the common name for chlorate(VII) 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-.