Dicyclopentadiene CAS No. 77-73-6
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Category：Agrochemicals Own Brand：MT /MOQ:100KG /From China/ B2B only.
Introduction
Dicyclopentadiene (DCPD)
CAS No.: 77-73-6 | EC No.: 201-052-9
1. Chemical Identification
| Property | Specification |
|---|---|
| IUPAC Name | 3a,4,7,7a-Tetrahydro-4,7-methanoindene |
| Molecular Formula | C₁₀H₁₂ |
| Molecular Weight | 132.20 g/mol |
| Appearance | Clear colorless to pale yellow liquid |
| Density | 0.986 g/mL at 25°C |
| Melting Point | 33°C |
| Boiling Point | 170-172°C |
| Refractive Index | n<sup>20</sup><sub>D</sub> 1.511 |
| Flash Point | 32°C (closed cup) |
Synonyms:
DCPD, Cyclopentadiene dimer, 4,7-Methanoindene
2. Key Applications
Polymer Industry
- Synthetic Resins: Production of unsaturated polyester resins
- Petroleum Resins: Self-polymerization for various resin grades
- EPDM Rubbers: Key monomer for synthetic elastomers
Agrochemicals
- Insecticide Intermediate: Dicyclopentadiene chloride synthesis
- Herbicide Production: Precursor for chloromethylpyridine derivatives
Specialty Chemicals
- Metallocene Synthesis: Catalyst component for polyolefins
- Flame Retardants: Building block for halogen-free formulations
- Epoxy Curing Agents: High-performance crosslinkers
Advanced Materials
- Rocket Propellants: High-energy fuel component
- Fragrance Chemistry: Intermediate for woody amber notes
3. Product Advantages
✔ Thermal Stability – Withstands high-temperature processes
✔ Reactive Diene – Enables diverse polymerization reactions
✔ Multi-industry Utility – Single source for cross-sector applications
4. Physical & Chemical Properties
- Viscosity: 10-15 cP at 25°C
- Heat of Combustion: 41.5 MJ/kg
- Polymerization: Forms homopolymers above 150°C
5. Handling & Storage
| Parameter | Requirement |
|---|---|
| Storage Temp | <25°C (cool, well-ventilated) |
| Stabilizer | BHT (100-200 ppm typical) |
| Packaging | 200kg steel drums/IBCs |
| Shelf Life | 12 months stabilized |
6. Safety Information
Warning!
- H226: Flammable liquid/vapor
- H304: May be fatal if swallowed/enters airways
- H315+H319: Skin/eye irritation
Protective Measures:
- P210: Keep away from heat/sparks/open flames
- P331: Do NOT induce vomiting if swallowed
- P405: Store locked up
7. Quality Specifications
- Purity: ≥95% (GC)
- Monomer Content: ≤3% cyclopentadiene
- Stabilizer Content: 100-200 ppm BHT
Disclaimer:
This technical information is for qualified professionals only. Users must comply with local regulations for flammable chemicals and obtain proper handling training.
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