Polyalphaolefins (PAOs)
| Formula: | C₁₀–C₁₂ linear alpha-olefins (hydrogenated oligomers) |
| CAS Number: | 68037-01-4 (C₁₀ PAO), 151006-60-9 (C₁₂ PAO) |
| EC Number (EINECS): | 939-455-3 (varies by grade) |
| HS Code: | 38249090 (lubricating preparations, synthetic oils) |
| UN Number: | Not classified as dangerous goods |
| IUPAC Name: | Poly(1-decene) / Poly(1-dodecene) (depending on grade) |
| Also Known As: | Synthetic Hydrocarbon Fluids; SHF; PAO Oils |
| Molecular Weight, g/mol: | Varies with oligomer (average 300–1000+) |
Typical Specifications
| Appearance: | Clear, colorless to pale yellow liquid |
| Odor: | Odorless to mild hydrocarbon odor |
| Density, g/cm³ (at 20°C): | 0.82–0.85 |
| Flash Point, °C: | 220–280 |
| Grades Available: | PAO 2, PAO 4, PAO 6, PAO 8, PAO 40, etc. |
| Packaging: | 200L drums, 1000L IBCs, bulk ISO tanks |
Applications / Uses
Primary Applications
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Base oil for high-performance synthetic lubricants (engine oils, gear oils, compressor oils)
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Used in aviation turbine oils and military-grade lubricants
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Raw material for industrial greases and hydraulic fluids
Secondary Applications
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Heat transfer fluids and dielectric fluids
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Plasticizer and modifier for elastomers and polymers
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Used in cosmetics and personal care (emollient in specialty formulations)
End Industries Served: Automotive, Aerospace, Industrial Lubricants, Power Generation, Plastics, Elastomers, Personal Care
Safety & Handling Information
Hazard Class (GHS): Not classified as hazardous; generally considered low toxicity
Hazard Statements (H-Codes):
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H304: May be fatal if swallowed and enters airways (for some grades)
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H316: Causes mild skin irritation
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H320: Causes eye irritation
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 POISON CENTER/doctor
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P331: Do NOT induce vomiting
Storage Conditions
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Store in closed containers away from direct sunlight
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Keep in a cool, dry, ventilated area
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Avoid contamination with strong oxidizing agents
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