United Initiators DCUP Dicumyl peroxide 80-43-3

Product Name: DCUP

CAS number: 80-43-3

Morphology: Powder, technically pure

Molar mass: 270.4 g/mol

Description:

• White or slightly yellowish powder, the main component is technically pure propylbenzene peroxide.
• Used as an initiator (source of free radicals) for the polymerization of monomers such as styrene.
• Used as a synergist in flame retardants for expandable polystyrene (EPS).

Technical data:

• Appearance: Almost white crystalline powder.
• Peroxide content: about 99.5% w/w.
• Active oxygen content: approx. 5.89% w/w.
• Inhibitors: None.
• Solubility: Soluble in acetone, aromatic solvents, alcohols and esters.
• Melting point: 38-40°C.
• Critical temperature (SADT): approx. 80°C.
• Bulk density: approx. 0.63 kg/l.
• Recommended storage temperature: below 30°C.
• Storage stability after delivery: 12 months.

Applications:

• Polymerization: Used for polymerization initiation of monomers such as styrene, applicable in mass or solution. Temperature range: 130-170°C. Dosage: 0.01-0.11 TP3T w/w in the state of supply.
• Flame retardant synergists: Synergistic with halogenated flame retardants for the flame retardancy of expandable polystyrene (EPS), dosage: 0.1-0.5% w/w in the state of supply.

Standard Packaging: 4 x 5 kg polyethylene bags in cardboard boxes.

Disclaimer:

• The information and technical advice provided is based on in-house testing of local raw materials, reflects our current knowledge and experience and is intended to provide information about our products and applications.
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• We reserve the right to make any changes based on technological advances or further developments.
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