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ProductsYour current location is：Products >> High-purity isopentane
High-purity isopentane
High-purity isopentane
Executive standard: Q/JBG 0002—2007
R601a
Molecular formula: C5H12
Quality standard
| Item | Quality index | |
| Superior product | Qualified product | |
| Appearance | Colorless transparent liquid | Colorless transparent liquid |
| Mechanical impurities and moisture | None | None |
| Water soluble acid or alkali | None | None |
| Component of C4 and below %≦ | 0.025 | 0.05 |
| Isopentane%≧ | 99.9 | 99.0 |
| n-pentane%≦ | 0.05 | 0.9 |
| Heavy components of C6 and above %≦ | 0.025 | 0.05 |
| Copper corrosion (20℃, 3h) grade≦ | 1 | 1 |
| Sulphur contentw,10-6≦ | 0.5 | 1 |
| Acidity w, 10-6 | 1 | 5 |
| Residue mg/100ml | 0 | 0.01 |
| Bromine index mgBr/100g≦ | 50 | 100 |
Physical properties:
| Appearance | Colorless transparent liquid with a little aromatic odor |
| Boiling point (101.3kpa) | 27.85 |
| Relative density (2℃)g/cm3 | 0.62 |
| Flash point℃ | -56 |
| Autoignition temperature℃ | 420 |
| Explosion limits (vol) | 1.4－8.3% |
| Fire hazard classification | B |
Uses: as refrigerant, or as foamer in the production process of expandable polystyrene and flexible polyurethane.
Packing: 125kg/208L galvanized iron bucket; tank car: 15T, 18T, or 30T
