Paraffinic Base Oils
| Formula: | Complex mixture of hydrocarbons (primarily C₁₅–C₅₀ alkanes and cycloalkanes) |
| CAS Number: | 64742-65-0 (typical) |
| EC Number (EINECS): | 265-169-7 (for solvent-refined heavy paraffinic distillates) |
| HS Code: | 27101990 |
| UN Number: | Not classified as dangerous goods |
| IUPAC Name: | Paraffinic Hydrocarbon Oils (refined petroleum fractions) |
| Also Known As: | Mineral Base Oil; API Group I/II/III Base Oil (depending on refining process) |
| Molecular Weight, g/mol: | Variable (approx. 250–600+) |
Typical Specifications
| Appearance: | Clear, water-white to pale yellow liquid |
| Odor: | Mild, petroleum-like |
| Flash Point, °C: | 200 – 250 |
| Grades Available: | Group I (solvent refined), Group II (hydrotreated), Group III (hydrocracked/isomerized) |
| Packaging: | Bulk, IBC tanks, 200L drums |
Applications / Uses
Primary Applications
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Base stock for lubricating oils (engine oils, hydraulic oils, gear oils, industrial lubricants)
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Manufacturing of greases, transformer oils, and process oils
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Feedstock for additives and specialty oils
Secondary Applications
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Rubber processing oils
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Metalworking fluids
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White oils and pharmaceutical derivatives (after further refining)
End Industries Served: Automotive, Industrial Lubricants, Power Generation, Petrochemicals, Rubber & Tire, Metalworking, Grease Manufacturing
Safety & Handling Information
Hazard Class (GHS): Not classified as hazardous (highly refined grades); may cause mild irritation with prolonged exposure
Hazard Statements (H-Codes):
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H315: Causes skin irritation (for unrefined/less refined oils)
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H319: Causes eye irritation
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H351: Suspected of causing cancer (only for untreated or mildly treated oils – not applicable to refined Group II/III)
Precautionary Statements (P-Codes):
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P280: Wear protective gloves/eye protection
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P264: Wash hands thoroughly after handling
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P273: Avoid release to environment
Storage Conditions
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Store in a cool, well-ventilated area
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Protect from direct sunlight and moisture
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Keep containers sealed to avoid contamination
Transport Information
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ADR/RID: Not classified as dangerous goods
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IMDG: Not classified as dangerous goods
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IATA: Not classified as dangerous goods