Polyisobutylene Succinic Anhydride (PIBSA) CAS 67762-77-0: Comprehensive Guide
Table of Contents
- 1. Product Overview & Specifications
- 2. Key Applications & Industry Uses
- 3. Performance Comparison with Alternatives
- 4. Operational Guidelines & Safety Protocols
- 5. Real-World Application Case Studies
- 6. Procurement Strategy & Supplier Selection
- 7. Technical Consultation & Quotation Request
1. Product Overview & Specifications
| Parameter | Specification |
|---|---|
| CAS Number | 67762-77-0 |
| Molecular Formula | (C4H8O3)n(C4H6O2) |
| Molecular Weight | 800-2500 g/mol |
| Appearance | Amber viscous liquid |
| Acid Value | 80-120 mg KOH/g |
| Saponification Value | 90-135 mg KOH/g |
2. Key Applications & Industry Uses
Primary Functional Roles:
- Lubricant additive (dispersant/detergent)
- Fuel detergent component
- Surfactant precursor
- Polymer modification agent
- Corrosion inhibitor intermediate
3. Performance Comparison with Alternatives
| Property | PIBSA | PIB | Alkenyl SA |
|---|---|---|---|
| Reactivity | High | Low | Medium |
| Thermal Stability | 230°C | 180°C | 210°C |
| Hydrolytic Stability | Excellent | Good | Moderate |
4. Operational Guidelines & Safety Protocols
Critical Handling Requirements:
- Storage temperature: 15-30°C
- Moisture content: <0.5%
- Viscosity range: 500-2000 cSt @40°C
5. Real-World Application Case Studies
Case 1: Lubricant Formulation Enhancement
Client: European lubricant manufacturer
Challenge: Soot-induced viscosity increase in diesel engine oils
Solution: 1.8% PIBSA addition in formulation
Outcome: 40% reduction in viscosity growth
Case 2: Fuel Additive Development
Client: Asian petroleum additive company
Challenge: Injector fouling in gasoline engines
Solution: PIBSA-based detergent package
Outcome: 70% deposit reduction in ASTM tests
6. Procurement Strategy & Supplier Selection
| Selection Criteria | Weighting | Evaluation Metric |
|---|---|---|
| Quality Certification | 30% | ISO 9001 compliance |
| Batch Consistency | 25% | ±2% property variation |
| Technical Support | 20% | Formulation assistance |
7. Technical Consultation & Quotation Request
For PIBSA technical specifications or bulk pricing:
Contact our chemical engineers:
Email: info@vivalr.com
Tel: (86) 15866781826
Request Checklist:
- Target application sector
- Required viscosity range
- Monthly consumption estimate



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