POTASSIUM PERSULFATE

PRODUCT IDENTIFICATION

CAS NO.

7727-21-1

EINECS NO.

231-781-8

FORMULA

K2S2O8

MOL WT.

270.32

SYNONYMS

Peroxydisulfuric acid, dipotassium salt; Dipotassium persulfate; Potassium Peroxydisulfate; Potassium peroxydisulphate; PPS; KPS.

CHEMICAL PROPERTIES

MELTING POINT

100 C ( Decomposes completely )

SPECIFIC GRAVITY

2.48

SOLUBILITY IN WATER

SLIGHTLY

APPLICATIONS

Polymerization; Metal treatment; Cleaning and etching of printed circuits; Cosmetics; Textile: Desizing agent and bleach activator - particularly for cold bleaching. Chemical synthesis/Water treatment/Waste gas treatment/oxidative degradation of harmful substances - Disinfectant. Etc.

SALES SPECIFICATION

Appearance

White crystal powder

Content

99% min

Chloride (as Cl)

0.02% max

ACTIVE OXYGEN

5.85% MIN

free acid ( as hso4)

0.2% max

Moisture

0.15% max

Heavy metal (as Pb)

0.0005% max

Iron (as Fe)

0.001% max

Manganese (as Mn)

0.0003% max

TRANSPORTATION

PACKING

In 25 kgs or 1,000 kgs net bag

HAZARD CLASS

5.1 ( Packing Group: III )

UN NO.

1492