C18H22O2
270.4 g/mol
Industrial ChemicalDanger
DICUMYL PEROXIDE
CAS80-43-3EC201-279-3
Category
Industrial Chemical
Compound Class
Other
Primary Use
Vulcanizing agent and crosslinking agent
Dicumyl peroxide is an organic peroxide primarily used as a vulcanizing agent for natural and synthetic rubber and as a crosslinking agent for polyethylene. It also functions as a synergist for flame retardants in polystyrene foams and a curing agent for silicone rubber.
Vulcanizing agent for natural and synthetic rubberCrosslinking agent for polyethyleneSynergist for flame retardants in polystyrene foams
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
Controlled substances
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Relevant lists:CN Explosive Precursor Chemicals
CAS 80-43-3
Related Compounds
ReferenceSame Category
P-tert-pentylphenol
CAS80-46-6
antimicrobial and industrial intermediate
ReferenceSame Category
Methyl p-toluenesulfonate
CAS80-48-8
methylating agent in organic synthesis
ReferenceSame Category
Dihydrazide4,4'-oxybis-benzenesulfonic acid
CAS80-51-3
Blowing agent for sponge rubber and expanded plastics
ReferenceSame Category
Methyl methacrylate
CAS80-62-6
Production of acrylic plastics and polymers
Safety Reference
Danger
H242Heating may cause a fire
H315Causes skin irritation
H319Causes serious eye irritation
H411Toxic to aquatic life with long lasting effects
H314Causes severe skin burns and eye damage
H360May damage fertility or the unborn child
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H320Causes eye irritation
H335May cause respiratory irritation
H372Causes damage to organs through prolonged or repeated exposure
H401Toxic to aquatic life
Customs Tariff Classification
The international HS code for DICUMYL PEROXIDE (CAS 80-43-3) is 2909.60.
HS code (international, 6-digit)
2909.60
EU CN code (8-digit)
2909 60 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene
InChIKey
XMNIXWIUMCBBBL-UHFFFAOYSA-N
SMILES
CC(C)(C1=CC=CC=C1)OOC(C)(C)C2=CC=CC=C2
Synonyms (53)
- .alpha.-Cumyl peroxide
- Active dicumyl peroxide
- Cumene peroxide
- Cumyl peroxide
- DICUMYL PEROXIDE
- Di-.alpha.-cumyl peroxide
- Di-Cup
- Di-cup 40C
- Di-cup 40haf
- Di-cup R
- Di-cup T
- DiCup 40KE
- Dicumene hydroperoxide
- Dicumenyl peroxide
- Dicumyl peroxide, dry
- Dicup 40
- Diisopropylbenzene peroxide
- Isopropylbenzene peroxide
- Kayacumyl D
- Luperco
- Luperco 500-40C
- Luperco 500-40KE
- Luperox
- Luperox 500
- Luperox 500R
- Luperox 500T
- Lupersol 500
- Percumyl D
- Percumyl D 40
- Perkadox 96
- Perkadox B
- Perkadox BC
- Perkadox BC 40
- Perkadox BC 9
- Perkadox BC 95
- Perkadox SB
- Peroximon DC-40
- Samperox DCP
- Varox dcp-R
- Varox dcp-T