Bis(lauroyloxy)dioctyltin CAS 3648-18-8

Chemical Name: Bis(lauroyloxy)dioctyltin
Synonyms: Dioctyltin dilaurate (DOTL)
CAS No.: 3648-18-8
Molecular Formula: C40H80O4Sn
Molecular Weight: 743.77
Appearance: Colorless Liquid

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Table of Contents

Bis(lauroyloxy)dioctyltin CAS 3648-18-8: Product Overview

Chemical Profile

Parameter Specification
CAS Number 3648-18-8
Molecular Formula C₃₆H₆₈O₄Sn
Appearance Clear viscous liquid
Tin Content 18.5-19.5%
Density (20°C) 1.10-1.15 g/cm³
Flash Point >150°C

Performance Comparison with Alternative Stabilizers

Property Bis(lauroyloxy)dioctyltin Methyltin Mercaptide Calcium-Zinc Stabilizer
Thermal Stability Excellent Good Moderate
Transparency High Medium Low
Migration Resistance Superior Average Poor
FDA Compliance Food-grade Industrial Limited

Industrial Applications & Functional Advantages

Primary Usage Scenarios

  • PVC Processing: Superior heat stabilization in rigid PVC pipes (0.3-0.8% additive concentration)
  • Food Packaging: FDA-compliant stabilizer for cling films and beverage containers
  • Medical Devices: Non-toxic stabilization in IV fluid bags (USP Class VI certified)
  • Automotive: Under-hood components requiring 125°C+ thermal resistance

Technical Implementation Protocols

Optimal Processing Parameters

Application Dosage Processing Temp Mixing Sequence
PVC Pipe Extrusion 0.6 phr 175-190°C Add after plasticizers
Film Calendering 0.4 phr 160-180°C Pre-mix with lubricants

Documented Client Implementations

Case Study 1: European Pipe Manufacturer

Challenge: Reduce yellowing in pressure-rated PVC pipes (PN16 classification)
Solution: 0.7% Bis(lauroyloxy)dioctyltin + co-stabilizer blend
Result: 40% improvement in long-term thermal stability (EN 1452-2 compliance)

Case Study 2: Asian Packaging Converter

Challenge: Achieve FDA 21 CFR 178.2010 compliance for microwaveable containers
Solution: 0.5% additive in multilayer PP/PVC structure
Result: Passed 200°C short-term heat exposure tests with <2% mass loss

Technical Consultation & Sample Requests

For formulation assistance or material testing protocols:
Email: info@vivalr.com
Tel: (86) 15866781826

Request Quote Template

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