Potassium persulfate
Molecular formula: K2S2O8
Molecular weight: 270.32
Structural formula: a3.jpg
Performance Overview
Potassium persulfate is a white, odorless crystal with a density of 2.477, decomposed at about 100 ° C, soluble in water, insoluble in ethanol, and strong oxidizing. It can be used as bleaching agent, oxidant and polymerization initiator. It hardly absorbs moisture, has good stability at normal temperature and is convenient for storage. Convenient and safe to use.
Transportation
Road/rail transport: GGVS, GGVE, ADR, RID: CLASS 5.1
Sea transportation GGV Sea / IMDG code: CLASS 5.1, Page 5175,
UN NO.1492
Water hazard level: Level 1 (slight)
packing
(1) 25kg net weight composite paper bag lined with single-layer plastic bag
(2) PE bag with net weight of 25kg
(3) Net weight 25kg woven bag lined with double-layer plastic bag
(4) Net weight 1000 kg woven bag lined with single-layer plastic bag
More than 1000 kg packed in a tray
Storage
Potassium persulfate is a non-flammable product, but it can release oxygen and has the function of supporting combustion. When it is stored, it must be stored in a dry and closed container to avoid direct sunlight and heat sources. Do not contact with organic matter, rust, a small amount of metal and other reducing substances to prevent the decomposition and explosion of potassium persulfate. Since the wet potassium persulfate powder and its aqueous solution have bleaching and slight corrosion effects, direct contact with eyes, skin and clothing should be avoided during use.
Application
Polymerization: initiator of latex or acrylic monomer polymerization solution, vinyl acetate, vinyl chloride and other products, and also initiator of copolymerization of styrene, acrylonitrile, butadiene and other colloids.
Metal treatment: treatment of metal surface (for example, in semiconductor manufacturing: cleaning and etching of printed circuits). Activation of copper and aluminum surfaces.
Cosmetics: the main ingredient of bleaching formula.
Textiles: desizing agent and bleaching agent - especially low-temperature bleaching.
Others: chemical synthesis;
Water treatment (purification);
Waste gas treatment, oxidative degradation of hazardous substances (e.g. mercury);
disinfectant;
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