Product Information
Product Name Cyclopentane
Synonyms Pentamethylene
CAS No. 287-92-3
EINECS No. 206-016-6Molecular Formula C₅H₁₀
Molecular Weight 70.13
MDL Number MFCD00001368
UN Number UN 1146
Hazard Class 3 (Highly flammable liquid), Packing Group II
Typical Physical & Chemical Properties
Appearance Colorless transparent liquid with petroleum-like odor
Density (20℃) 0.745 ~ 0.750 g/cm³
Melting Point -94 ℃Boiling Point 49 ℃
Flash Point -37 ℃
Autoignition Temperature 320 ℃Explosion Limit 1.1 ~ 8.7 % (vol)
Refractive Index n₂₀/D 1.406 ~ 1.407
Solubility Insoluble in water; miscible with ethanol, ether, acetone and most organic solvents
Stability Stable under normal conditions; highly flammable, incompatible with strong oxidants
Quality Specification (Industrial Grade, PU Foam Grade)
| Item | Specification |
|---|---|
| Purity | ≥95.0% / ≥98.0% (two mainstream grades) |
| Moisture | ≤0.01% |
| Non-volatile matter | ≤0.005% |
| Total Sulfur | ≤1 ppm |
| APHA Color | ≤10 |
Application & Use
- Blowing agent for rigid polyurethane foam, widely used for thermal insulation of refrigerators, freezers and building panels (replacement of CFCs).
- Solvent for polymerization of polyisoprene rubber and cellulose ether.
- Chromatography standard reagent, organic synthesis raw material.
- Cleaning agent for precision industry.
Packing
150kg net per steel drum, or ISO tank / customized packaging as client requirement.
Delivery & Storage
Storage: Store in cool, well-ventilated flammable liquid warehouse. Keep sealed, far away from open flame, static electricity and strong oxidants.
Delivery: UN1146 Class 3 dangerous goods. Follow IMDG / IATA regulation strictly.Shelf Life: 12 months under proper storage condition.
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