Benzoyl Peroxide (BPO)

Uses

It is a white granular or powdery solid, a diacyl organic peroxide. It is the most widely used initiator in the adhesive industry, used as an initiator for the polymerization of acrylates and vinyl acetate solvents, the graft polymerization of chloroprene rubber, natural rubber, SBS and methyl methacrylate, the curing of unsaturated polyester resins, and organic glass adhesives. It can also be used as a vulcanizer and crosslinker for silicone rubber and fluororubber. It can also be used as a bleaching agent and oxidant.

Main quality indicators

Appearance: white granules, powder

Content: 74~76%

Active oxygen content: 4.88~5.02%Moisture: 25.0%

Physical and chemical properties

State: solid

Density: 0.630g/cm Melting point: 103℃℃

Theoretical active oxygen content: 6.62%

Safety data

Self-accelerating decomposition temperature: 80℃C

Alarm temperature: 75℃C

United Nations number: 3104

China hazardous chemicals number: 52045

Half-life data

Activation energy: 30kcal/mole

10-hour half-life temperature: 71°C

1-hour half-life temperature: 91°C

1-minute half-life temperature: 132°C

Solubility

Soluble in benzene, chloroform, acetone, etc., slightly soluble in ethanol, insoluble in water.

Packaging/Storage

20KG or 25KG, carton barrel packaging, stored in a cool and ventilated place below 30°C Note: Keep the packaging sealed to avoid water loss and danger