Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise specializing in the research and development, manufacturing, and sales of fine chemicals. Headquartered in Jinan, Shandong, China, we are committed to delivering high-quality products to our global partners. Currently, over 90% of our products are exported to developed markets, including North America, Europe, Japan, South Korea, and the Middle East.
Basic Information
Product Name: Petroleum Ether
Alias: Ligroin, Petroleum Spirit, Hexanes fraction
CAS No: 64742-82-1
Molecular Formula: C6H14 (main component, mixture of aliphatic hydrocarbons)
Molecular Weight: 86.18 g/mol
EINECS: 265-185-4
Classification: Volatile aliphatic hydrocarbon solvent (no ether functional group)
Physical & Chemical Properties
Appearance: Colorless transparent volatile liquid, faint kerosene odor
Density: 0.77 g/mL (20°C)
Melting Point: -95°C
Boiling Point: 90–100°C (fraction)
Flash Point: -9°F (-23°C)
Solubility: Insoluble in water; soluble in ethanol, ether, benzene, chloroform, oils
Stability: Highly flammable; vapor forms explosive mixture with air; avoid heat, open flame, strong oxidants
Refractive Index: n20/D 1.428
Specification Table
| Item | Specification | Unit | Remarks |
| Product Name | Petroleum Ether | - | Industrial/Reagent grade |
| CAS No | 64742-82-1 | - | Hydrocarbon solvent |
| Appearance | Colorless clear liquid | - | No suspended impurities |
| Main Components | C5–C7 alkanes (hexane-rich) | - | Aliphatic fraction |
| Purity | ≥98.0 | % | GC |
| Moisture | ≤0.05 | % | Karl Fischer |
| Boiling Range | 90–100 | °C | Distillation |
| Flash Point | ≤-23 | °C | Closed cup |
Main Uses
- Extraction solvent: For vegetable oils, animal fats, essential oils, pharmaceuticals, and natural products
- Organic synthesis: Reaction solvent, recrystallization medium, cleaning/degreasing agent
- Chromatography: TLC/HPLC eluent (mixed with ethyl acetate)
- Industrial cleaning: Metal parts degreasing, electronic component cleaning
- Chemical intermediate: Feedstock for synthetic rubber, plastics, detergents, pesticides
Safety Notes
- Flammability: Extremely flammable; keep away from ignition sources
- Inhalation: May cause dizziness, nausea, respiratory irritation
- Storage: Sealed, cool, dry place; separate from oxidants
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