C10H12
132.2 g/mol
Industrial ChemicalDanger
Cyclopentadiene dimer
CAS77-73-6EC201-052-9
Category
Industrial Chemical
Compound Class
Other
Primary Use
Chemical intermediate for insecticides and polymers
Cyclopentadiene dimer, also known as dicyclopentadiene, is an industrial chemical that appears as a liquid with an acrid odor. It is primarily used as a chemical intermediate in the production of insecticides and polymers.
Chemical intermediate for insecticidesMonomer and curing agent in polymer productionFlame retardant in plastics
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.
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Related Compounds
ReferenceSame Category
Dimethyl sulfate
CAS77-78-1
Methylating agent in organic synthesis
ReferenceSame Category
Trimethylolethane
CAS77-85-0
manufacture of polyesters and alkyd resins
ReferenceSame Category
Acetyl tributyl citrate
CAS77-90-7
plasticizer for vinyl resins
ReferenceSame Category
Tributyl citrate
CAS77-94-1
plasticizer and solvent for lacquers
Referencesame scaffold
Methylcyclopentadiene dimer
CAS26472-00-4
Chemical feedstock for fine chemicals
Safety Reference
Danger
H225Highly flammable liquid and vapour
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation
H411Toxic to aquatic life with long lasting effects
H226Flammable liquid and vapour
H228Flammable solid
H304May be fatal if swallowed and enters airways
H317May cause an allergic skin reaction
H330Fatal if inhaled
H361Suspected of damaging fertility or the unborn child
H373May cause damage to organs through prolonged or repeated exposure
H400Very toxic to aquatic life
H351Suspected of causing cancer
H412Harmful to aquatic life with long lasting effects
H320Causes eye irritation
H336May cause drowsiness or dizziness
H370Causes damage to organs
H401Toxic to aquatic life
H313May be harmful in contact with skin
H372Causes damage to organs through prolonged or repeated exposure
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for Cyclopentadiene dimer (CAS 77-73-6) is 2902.19.
HS code (international, 6-digit)
2902.19
EU CN code (8-digit)
2902 19 00
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
tricyclo[5.2.1.02,6]deca-3,8-diene
InChIKey
HECLRDQVFMWTQS-UHFFFAOYSA-N
SMILES
C1C=CC2C1C3CC2C=C3
Synonyms (33)
- DCPD
- DICY
- 1, dimer
- 1,3-CPD
- 1,3-Dicyclopentadiene dimer
- Bicyclopentadiene
- Biscyclopentadiene
- Cyclopentadiene dimer
- DCPD 103
- Dicyklopentadien
- Dicyklopentadien [Czech]
- Dimer cyklopentadienu
- Dimer cyklopentadienu [Czech]
- Prometa XP 100
- ULTRENE 99
- alpha-Dicyclopentadiene (endo
- endo-Dicyclopentadiene
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