Olefinic Dispersants
| Formula: | Variable (polyisobutylene succinimides and derivatives) |
| CAS Number: | Mixture (commonly includes 9003-29-6 derivatives) |
| EC Number (EINECS): | Not applicable (complex mixture) |
| HS Code: | 38112100 |
| UN Number: | Not classified as hazardous for transport |
| IUPAC Name: | Reaction products of polyisobutylene with succinic anhydride and polyamines |
| Also Known As: | PIBSA-based Dispersants; Polyisobutylene Succinimide Dispersants; Fuel & Lubricant Dispersants |
| Molecular Weight, g/mol: | Varies depending on grade (typically 500–2000) |
Typical Specifications
| Appearance: | Amber to brown viscous liquid |
| Odor: | Mild, characteristic |
| Density, g/cm³ (at 20°C): | 0.90 – 0.95 |
| Flash Point, °C: | >180 |
| Solubility: | Soluble in mineral oils and synthetic oils |
| Grades Available: | Mono-succinimide, Bis-succinimide, Borated variants |
| Packaging: | 200kg drums, 1000kg IBCs, bulk supply |
Applications / Uses
Primary Applications
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Used as dispersant additives in engine oils and lubricants
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Helps prevent sludge, varnish, and deposit formation in engines
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Improves fuel efficiency and engine cleanliness
Secondary Applications
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Additives in marine and heavy-duty diesel lubricants
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Used in crankcase oils, gear oils, and hydraulic fluids
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Component of multifunctional additive packages
End Industries Served: Automotive, Marine, Industrial Lubricants, Heavy Machinery, Oil & Gas
Safety & Handling Information
Hazard Class (GHS): Not classified as highly hazardous; may cause irritation with prolonged exposure
Hazard Statements (H-Codes):
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H315: Causes skin irritation
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H319: Causes eye irritation
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H335: May cause respiratory irritation (mists)
Precautionary Statements (P-Codes):
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P280: Wear protective gloves/eye protection
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P261: Avoid breathing mist/vapors
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P302 + P352: IF ON SKIN – wash with plenty of soap and water
Storage Conditions
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Store in tightly closed containers, away from moisture
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Protect from direct sunlight and extreme heat
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Recommended storage temperature: 10–40°C
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