1,3:2,4-Dibenzylidene Sorbitol (CAS 32647-67-9): Technical Overview and Applications
Table of Contents
1. Chemical Specifications and Key Parameters
| Parameter | Value |
|---|---|
| CAS Registry | 32647-67-9 |
| Molecular Formula | C20H22O6 |
| Molecular Weight | 358.39 g/mol |
| Alternative Names | Di-O-(benzylidene)sorbitol Nucleating Agent ZC-2 1,3:2,4-Di(benzylidene)sorbitol |
2. Functional Properties and Industrial Applications
This bicyclic acetal derivative demonstrates unique crystallization control capabilities in polymer matrices. Key functional attributes include:
- Nucleation efficiency enhancement in polypropylene (PP) and polyethylene (PE)
- Transparency improvement through spherulite size reduction
- Mechanical property optimization via crystalline phase modification
- Thermal stability up to 220°C in polymer processing
3. Comparative Analysis with Alternative Nucleating Agents
| Property | DBS | Sodium Benzoate | Talc |
|---|---|---|---|
| Clarity Improvement | Excellent | Moderate | Poor |
| Cycle Time Reduction | 15-20% | 5-8% | 3-5% |
| FDA Compliance | Food-grade approved | Limited approval | Restricted use |
4. Implementation Case Studies
Case 1: Food Packaging Film Enhancement
A leading European polymer producer achieved 40% haze reduction in BOPP films while maintaining tensile strength through 0.3% DBS incorporation.
Case 2: Automotive Component Optimization
Implementation in injection-molded PP dashboards resulted in 18% cycle time reduction and improved surface finish for a Tier 1 automotive supplier.
5. Client Success Stories
Client A: Specialty Compounds Manufacturer
A North American compounder resolved crystallization inconsistencies in high-clarity PP random copolymers through tailored DBS formulations, achieving 99.5% batch-to-batch consistency.
Client B: Medical Device Producer
DBS-enabled polypropylene syringes demonstrated superior clarity and sterilization resistance, passing ISO 10993 biocompatibility testing.
6. Technical Consultation
For formulation optimization, regulatory compliance guidance, or bulk pricing inquiries:
Email: info@vivalr.com
Tel: (86) 15866781826



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