Dicumyl peroxide, or DCP, is an organic peroxide used in polymer processing. It serves as a cross-linking and curing agent for polyethylene, EPDM rubber and other elastomers. Applications include wire and cable insulation compounds and vulcanisation of natural and synthetic rubber. It also acts as a flame-retardant synergist in polystyrene foams. The recorded grade is technical. Packaging formats include 20 kg cartons and 25 kg cartons.
Full specification
- Molecular formula
- C18H22O2
- Grades
- technical
- Packaging
- 20 kg carton · 25 kg carton
- Appearance
- White to pale yellow crystalline powder or granules
- Synonyms
- DCP · 80-43-3 · dicumyl peroxide · bis(α,α-dimethylbenzyl)peroxide · crosslinking agent DCP · curing agent DCP · bis(alpha,alpha-dimethylbenzyl) peroxide · bis(α,α-dimethylbenzyl) peroxide
Compliance & regulatory
Region: EU — Chemotto S.r.l., Milano
- REACH-aligned supply
- CLP-labelled
REACH REACHRegistration, Evaluation, Authorisation and Restriction of Chemicals — the EU chemicals regulation (EC 1907/2006). CLP CLPClassification, Labelling and Packaging — the EU regulation (EC 1272/2008) for hazard communication. SVHC SVHCSubstance of Very High Concern — flagged on the REACH Candidate List for possible authorisation or restriction.
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