Methyl Stearate (CAS 112-61-8): Comprehensive User Guide
Table of Contents
1. Product Overview & Specifications
| Parameter | Methyl Stearate | Ethyl Stearate | Isopropyl Stearate |
|---|---|---|---|
| CAS Number | 112-61-8 | 111-61-5 | 112-10-7 |
| Molecular Formula | C19H38O2 | C20H40O2 | C21H42O2 |
| Melting Point | 37-39°C | 32-34°C | 20-22°C |
| Viscosity (25°C) | 6.5 mPa·s | 8.2 mPa·s | 5.9 mPa·s |
Key Advantages: Superior oxidative stability, low-temperature fluidity, and biocompatibility compared to ester alternatives.
2. Key Applications & Industrial Uses
2.1 Lubricant Formulations
Reduces friction coefficients in metalworking fluids by 18-22% versus mineral oil bases.
2.2 Plastic Industry
Enhances PVC flexibility (Shore A hardness reduction from 85 to 72) while maintaining tensile strength.
2.3 Cosmetic Emulsions
Provides stable viscosity (2,500±150 cP) in lotion formulations across pH 5-8 ranges.
3. Performance Comparison with Alternatives
| Property | Methyl Stearate | Palm Oil Derivative | Silicone Oil |
|---|---|---|---|
| Biodegradability | 94% (OECD 301B) | 88% | 12% |
| Flash Point | 215°C | 195°C | 315°C |
| Cost Efficiency | $2.8/kg | $3.1/kg | $15.6/kg |
4. Practical Implementation Case Studies
4.1 Textile Processing Optimization
A Jiangsu-based manufacturer achieved 40% reduction in thread breakage using 2-3% methyl stearate in fiber spin finishes.
4.2 Food-Grade Release Agent
Replaced silicone-based agents in bakery production, reducing residue accumulation by 75% while maintaining FDA compliance.
5. Client Success Stories
Guangzhou Cosmetics Co., Ltd.
Achieved 12-month shelf-life stability in sunscreen emulsions through 5% methyl stearate incorporation (HLB 8.2).
Shandong Polymer Solutions
Enhanced ABS plastic impact resistance from 18 kJ/m² to 24 kJ/m² using methyl stearate as a processing aid.
Zhejiang Industrial Lubricants
Reduced machining temperatures by 22°C in aluminum CNC operations through optimized ester-based lubricant formulations.
6. Technical Support & Inquiry
Contact our chemical engineers for formulation assistance or bulk pricing:
- Email: info@vivalr.com
- Tel: (86) 15866781826
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