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Sodium persulfate
Molecular
formula:Na2S2O8
Molecular
weight:238.13
Characteristics:
Sodium persulfate is a white, crystalline, odorless salt. It is used as initiator
for the polymerization of monomers and as a strong oxidizing agent in much
application. It has the particular advantage of being almost non-hygroscopic,
of having particularly good storage stability as a result of its extremely
high purity and of being easy and safe to handle.
Items
Specifications
Storage
and Handling:
SPS is not combustible but assists combustion of combustible 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 reductant
may cause catalytic decomposition. The product as supplied or in solution
needs to be handled with appropriate care. The eye, skin and clothes must
be protected when working with SPS. SPS as damp powder or aqueous solution
has a bleaching and slightly corroding effect.
Application
of SPS:
SPS is a suitable initiator for the emulsion or solution polymerization of
acrylic monomers, vinyl acetate, vinyl chloride etc. and for the emulsion
copolymerisation of styrene, acrylonitrile, butadiene etc.. SPS is also a
kind of oxidizing agent:
(1) Used in cleaning and pickling of metal surfaces.
(2) Used in accelerated curing of low formaldehyde adhesives.
(3) Used in modification of starch, production of binders and coating materials.
(4) Desize agent and bleach activator.
(5) An essential component of bleaching formulations for hair cosmetics.
Package:
(1) 25kg net weight paper bag with one PE liner
(2) 25kg net weight PE bag
(3) 25kg net weight big woven bag with two PE liners
(4) 25kg net weight fiber drum with one PE liner
(5) 1000kg net weight big woven bag with one PE liner
Transportation:
CLASS 5.1 Page 5185, UN no.1505.
Water hazards class 1 (slight water hazard)
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