Decamethylcyclopentasiloxane (D5)
CAS No.: 541-02-6
Who is Origin and Major Production Regions for Decamethylcyclopentasiloxane (D5) ?
- China: Major producers in Hunan SLQ Materials Technology co.,ltd
1. Physical and Chemical Properties
- Appearance: Colorless, transparent, mobile liquid
- Molecular formula: C₁₀H₃₀O₅Si₅
- Molecular weight: 370.77 g/mol
- Boiling point: 210 °C
- Melting point: −44 °C
- Density (25 °C): 0.95–0.96 g/cm³
- Viscosity (25 °C): 2.5 mm²/s
- Flash point: ≥78 °C (closed cup)
- Volatility: Moderate to high volatility
- Solubility: Insoluble in water; miscible with low-molecular-weight siloxanes, hydrocarbons, ethers and many organic solvents
- Stability: Chemically stable under normal conditions; resistant to oxidation, hydrolysis and low to moderate temperatures
Typical Specifications
- Purity: ≥99.0%
- Color (APHA): ≤10
- Refractive index (25 °C): 1.396–1.398
- Moisture: ≤0.1%
- Volatile matter: ≤0.5%
2. Application Fields
- Personal care & cosmetics: Main ingredient in skin creams, lotions, hair care products, deodorants and sunscreens as a volatile carrier, spread
2. Application Fields
- Personal care & cosmetics: Main ingredient in skin creams, lotions, hair care products, deodorants and sunscreens as a volatile carrier, spreading agent and emollient
- Daily chemicals: Used in antistatic agents, car polishes, leather care products and home care formulations
- Industrial cleaning: Solvent and cleaning agent for precision instruments and electronic components
- Rubber & plastics: Mold release agent, softener and surface modifier
- Defoaming agent: Low-temperature defoamer in water-based systems
- Organic synthesis: Intermediate for silicone polymers and functional silicone materials
3. Performance as a Lubricant Additive
- Excellent low-temperature fluidity and high-temperature stability
- Low surface tension, good wetting and spreading properties on metal surfaces
- Good lubricity for light-load, high-speed applications
- Low volatility compared to low-molecular hydrocarbon oils
- Compatibility with mineral oils, syntheti
- Compatibility with mineral oils, synthetic hydrocarbons and some greases
- Used as a lubricity booster, friction reducer, release agent and antistatic component in lubricating greases, mold oils and special industrial lubricants
- Typical treat rate: 1.0–5.0 wt% in special lubricant formulations
4. Origin and Major Production Regions
- China: Major producers in Hunan SLQ Materials Technology co.,ltd
Lubricant Additives
Product features:
Ultra low ash, low phosphorus, low sulfur, and post-treatment protection
Low conductivity, insulation, copper aluminum corrosion resistance, low friction, high speed stability
Sulfur free, ash free, hydrogen embrittlement resistant, high temperature resistant.
Product Tags:
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Decamethylcyclopentasiloxane 541-02-6 Images
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