Product information
Chemical Name Polyphenylmethyldimethylsiloxane
Synonym Phenyl Methyl Silicone Oil, Phenylmethylsiloxane homopolymer
CAS No. 9005-12-3Molecular Formula (C7H8OSi)n
Appearance Clear, colorless to pale yellow oily liquid
Typical Viscosity 50-500 cSt (customizable)
Chemphysical properties
Density (20℃) 1.08-1.12 g/cm³
Refractive Index 1.51‑1.53
Flash Point ≥300 ℃
Solubility Miscible with ester, hydrocarbon cosmetic oils; insoluble in water
Thermal Stability Good oxidation-resistance at high temperature
Stability Stable under normal conditions; avoid strong oxidizing agents
Quality specification (Cosmetic Grade, typical 500cSt)
| Test Item | Standard |
|---|---|
| Appearance | Clear colorless‑pale yellow transparent liquid |
| Viscosity (25℃) | 450‑550 cSt |
| Refractive Index | 1.515‑1.525 |
| Volatile Matter (150℃/2h) | ≤1.0 % |
| Acid Value | ≤0.05 mgKOH/g |
| Water Content | ≤0.1 % |
| Heavy Metals(Pb) | ≤10 ppm |
Available grades: different viscosity grades (50‑1000cSt); cosmetic grade / industrial high‑temp lubricant grade.
Application & use
‑ Cosmetics: Hair care products (hair oil, hair serum), skin cream, sunscreen formulations. Delivers smooth skin‑feel, hydrophobic property, UV‑synergistic effect, improves gloss for hair.
‑ Industrial field: High‑temperature lubricant, heat‑transfer fluid for special equipment.‑ Other: Dielectric liquid for electrical components.
Packing, transportation & storage
‑ Packing: 25 kg plastic drum / 200 kg iron drum; custom package available.
‑ Transportation: General non‑hazardous liquid goods. Prevent leakage.
‑ Storage: Keep sealed in cool, dry, well‑ventilated warehouse, away from heat source.
‑ Shelf‑life: 24 months under recommended storage.
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