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.jpg) Chemical name: Liquefied petroleum gas（Mixture）
Molecular formula: C3、C4.
Structural formula(Mainly for the propane and butane ):
 and
Relative molecular weight: Uncertain
CAS NO.: 68476-85-7
Appearance: Colorless gas or yellow brown oily liquid with special odor.
Index of quality:
| Item |
Quality index |
Test method |
| Density (15℃ ), kg/m2 |
/ |
SH/T 0221 |
| Vapor pressure(37.8℃)， kPa ≤ |
1380 |
GB/T 6602 |
| The content of C5 and C5+，%(V/V)≤ |
3 |
SH/T 0230 |
| Evaporation residues,mL/100mL ≤ |
0.05 |
SY/T7509 |
| Observed stains |
/ |
SY/T7509 |
| Copper corrosion,class ≤ |
1 |
SH/T 0232 |
| The total sulfur content ,mg/m2 ≤ |
343 |
SH/T 0222 |
| Free water without visual |
unless |
Eye-measurement |
Uses: Liquefied petroleum gas is mainly used for petroleum chemical raw materials, or hydrocarbon cracking ethylene or steam reforming to synthesis gas, for industrialand civilian fuel of internal combustion engine.
Packing: Using steel cylinders, the flammable materials, no fire.
Storage: Store in a cool, ventilated warehouse. Away from fire, heat source. The provisions of filling cylinders, prohibit excessive filling.
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