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Sodium peroxydisulfate (Na2S2O8)- Crystalline

Sodium peroxydisulfate (Na2S2O8)- Crystalline

CAS: 7775-27-1
Molecular Formula: Na2S2O8
Purity: 98%
Products Code: TR11160803CY
Specification Model: -100 Mesh
Hazardous Class: Class 5.1
EINECS No.: 231-892-1
UN No.: UN1505
Package Class: PGIII
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Sodium peroxydisulfate (Na2S2O8)- Crystalline introduce:



Sodium persulfate is the inorganic compound with the formula Na2S2O8. It is the sodium salt of peroxydisulfuric acid, H2S2O8, an oxidizing agent. It is a white solid that dissolves in water. It is almost non-hygroscopic and has good shelf-life.

Chemical formula:Na2S2O8

Molar mass: 238.10 g/mol

Appearance: white powder

Density: 2.59 g/cm3;(Loose bulk density: 1.12 g/cm3)

Melting point: 180 °C (356 °F; 453 K) decomposes

Solubility in water:55.6 g/100 ml (20 °C)




Sodium peroxydisulfate is used as a radical initiator for emulsion polymerization reactions like acrylonitrile butadiene styrene, detergent component, soil conditioner and soil remediation. It is also used for curing of formaldehyde adhesives. It acts as a bleaching agent and in the production of dyestuffs. It finds application in zinc and printed circuit boards and considered to be a replacement for ammonium persulfate in etching mixtures. Further, it is used in the preparation of diapocynin from apocynin. It plays a role in the conversion of phenols to para-diphenols in alkaline solution and of arylamines to aminophenols. It is actively involved in the Elbs persulfate oxidation and the Boyland-Sims oxidation reactions as an oxidizing agent.
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