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Potassium Persulfate
Potassium Persulfate
( Peroxosulphates )
Molecular Formula: K2SO8
Molecular Weight: 270.32
HS Code: 283340
CLASS 5.1
Page 5175
UN no.:1492

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Product details

Potassium Persulfate

Molecular Formula : K 2S2O8

Molecular weight : 270.32

Structural Formula :

Description
Potassium perfsulfate is a white crystalline,odourless salt with the density of 2.477.It can be decomposed about 100 and dissolved in the water not in ethanol,and has strong oxidation.It is used to produce detonator,bleacher,oxidant and initiator for the Polymerization.It has the particular advantage of being almost non-hygroscopic,of having a good storage stability in normal temperature and of being easy and safe to handle.

Transportation
Road/Rail transport:GGVS,GGVE,ADR,RID/CLASS 5.1 Sea transport: GGV Sea/IMDG code: CLASS 5.1 Page 5175,UN no.1492
Water hazards class 1(slight water hazard)
All information is given in good faith,but without warranty,since the conditions of use are outside our control. Verification by the user is recommended.Freedom from patent restriction cannot be assumed.

Package
(1) In 25kgs net multiple paper bags with one PE bag inner
(2) In 25kgs net PE bags
(3) In 25kgs net woven bags with two PE bags inner
(4) In 1000kgs net big woven bags with one PE bag inner
The above package is also with a pallet 1000kgs each.

Storage
KPS(PPS) is not combustible but assists combustion materials due to release of oxygen.Provided it is stored under appropriate condition.It must be stored dry in closed containers and protected from direct sunlight,heat and humidity.Impurities such as dirt,rust or traces of metal and reductants may cause catalytic decomposition.The product as supplied or in solution needs to be handled with approprate care.The eye,skin and clothes must be protected when working with KPS(PPS). KPS(PPS) as damp powder or aqueous solution has a bleaching and slightly corroding effect.

Application
polymerization : Initiator for the emulsion or solution Polymerization of acrylic monomers,vinyl acetate,vinyl chloride etc.and for the emulsion co-polymerization of styrene,acrylonitrile,butadiene etc.
Metal treatment : Treatment of metal surfaces(e.g. in the manufacture of semiconductors;
cleaning and etching of printed circuits),activation of copper and aluminium surfaces.
Cosmetics : Essential component of bleaching formulations.
Paper : modification of starch,repulping of wet - strength paper.
Textile : Desizing agent and bleach activator - particularly for cold bleaching.(i.e.bleaching of Jeans).
Others :
- Chemical synthesis
- Water treatment(decontamination)
- Waste gas treatment,oxidative degradation of harmful substances(e.g.Hg)
- Disinfectant

ITEMS

SPECIFICATIONS

Appearance

white crystalline salt

Assay

99.0% w/w min

Active oxygen

5.85% w/w min

Chloride and chlorate(as CL)

0.02% w/w max

Manganese(Mn)

0.0003% w/w max

Iron(Fe)

0.002% w/w max

Heavy metals(as Pb)

0.002% w/w max

Moisture

0.15% w/w max

Decomposition of the product as supplied

at above 65°C

Recommended storage temperature

Normal Temperature

Storage stability as from date of delivery

12 months

*There are commonly specifications and guidelines hereinbefore,and we can produce various special production according to customer's needs.

 
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