Naphthenic Base Oils
| Formula: | Complex mixture of hydrocarbons (C₁₀–C₅₀) |
| CAS Number: | 64742-52-5 |
| EC Number (EINECS): | 265-148-2 |
| HS Code: | 27101999 |
| UN Number: | Not classified as hazardous for transport |
| IUPAC Name: | Petroleum Hydrocarbons, Naphthenic |
| Also Known As: | Cycloparaffinic Oils; Naphthenic Mineral Oil |
| Molecular Weight, g/mol: | Typically 250–600 (mixture dependent) |
Typical Specifications
| Appearance: | Clear to pale yellow liquid |
| Odor: | Mild petroleum-like |
| Flash Point, °C: | 160 – 230 (depending on viscosity grade) |
| Solubility: | Insoluble in water; soluble in hydrocarbons |
| Grades Available: | Low, Medium, High Viscosity Naphthenic Oils |
| Packaging: | 200L drums, 1000L IBCs, bulk ISO tanks |
Applications / Uses
Primary Applications
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Transformer and electrical insulating oils
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Rubber processing oils and tire manufacturing
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Metalworking fluids and lubricants
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Plasticizers for PVC and polymers
Secondary Applications
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Printing inks and adhesives
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Oilfield chemicals and drilling fluids
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Leather treatment oils
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Sealants and coatings
End Industries Served: Power & Energy, Automotive, Rubber & Tire, Metalworking, Plastics, Oil & Gas, Printing & Packaging, Leather Processing
Safety & Handling Information
Hazard Class (GHS): Not classified as dangerous under GHS; may cause mild skin/eye irritation with prolonged exposure
Hazard Statements (H-Codes):
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H304: May be fatal if swallowed and enters airways
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H315: Causes skin irritation
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H336: May cause drowsiness or dizziness (vapors)
Precautionary Statements (P-Codes):
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P280: Wear protective gloves/eye protection
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P301 + P310: IF SWALLOWED – Immediately call a doctor/poison center
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P331: Do NOT induce vomiting
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P273: Avoid release to the environment
Storage Conditions
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Store in closed containers, away from heat and ignition sources
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Protect from direct sunlight and moisture
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Maintain good ventilation in storage areas
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