3-Octylheptamethyltrisiloxane CAS 17955-88-3

Chemical Name: 3-Octylheptamethyltrisiloxane
Synonyms: Caprylyl methicone; Heptamethyloctyltrisiloxane
CAS No.: 17955-88-3
Molecular Fomula: C15H38O2Si3
Molecular weight: 334.72
Appearance: Liquid
Assay: ≥95.0%

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3-Octylheptamethyltrisiloxane (CAS 17955-88-3) Comprehensive User Guide

1. Product Overview & Comparative Analysis

Technical Specifications

Parameter 3-Octylheptamethyltrisiloxane Cyclopentasiloxane Dimethicone
CAS Number 17955-88-3 541-02-6 9006-65-9
Molecular Formula C13H34O2Si3 C10H30O5Si5 (C2H6OSi)n
Volatility Low High Non-volatile
Lubricity Index 0.92 0.85 0.78

Competitive Advantages: Superior thermal stability (-40°C to 250°C), enhanced spreadability, and reduced surface tension compared to alternatives.

2. Key Applications & Functional Benefits

Core Functional Attributes

  • Cosmetic Grade: Non-greasy emollient for skincare SPF boosters and hair conditioning serums
  • Industrial Lubrication: High-performance additive for metalworking fluids (MWFs) and dielectric coolants
  • Surface Modification: Hydrophobic coating agent for textiles and automotive glass treatments

Performance Benefits

  • 40% improvement in formulation spreadability vs. traditional silicones
  • 15% reduction in coefficient of friction in industrial applications
  • UV stability up to 1,000 hours QUV testing

3. Industry Use Cases

Case 1: Cosmetic Formulations

Application: Anti-frizz hair serum with heat protection up to 230°C
Result: 62% reduction in styling time with 2x shine enhancement

Case 2: Industrial Lubricants

Application: CNC machining coolant additive
Result: 22% extension in tool lifespan and 18% energy savings

4. Verified Customer Success Stories

Client 1: ABC Cosmetics (France)

Challenge: Develop non-comedogenic foundation with 12-hour wear
Solution: 3% incorporation in silicone gel network
Outcome: 4.8/5 user satisfaction score, 35% repeat purchase rate

Client 2: XYZ Industrial Solutions (Germany)

Challenge: Reduce lubricant consumption in automotive manufacturing
Solution: 15% additive in water-based MWF
Outcome: €220,000 annual savings in fluid replacement costs

5. Request Customized Solutions

Our technical team provides:

  • Custom formulation development
  • Batch-specific technical data sheets
  • Regulatory compliance support (REACH, FDA)

Contact Our Experts:
Email: info@vivalr.com
Tel: (86) 15866781826

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