Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise focused on industry of fine chemicals research and develop, produce and sale. Shandong Huashang Chemical Co., Ltd. is located in Shan Dong Ji Nan China. we have the ability to provide you high quality products. More than 90 % of our products are exported to developed countries and regions such as north America, Europe, Japan, South Korea and the Middle East.
1. Basic Product Profile
- Full IUPAC Name: Poly(dimethylsiloxane)
- Aliases: Polydimethylsiloxane, PDMS, Silicone oil
- CAS Number: 9006-65-9
- EINECS: N/A
- Molecular Formula: (C2H6OSi)n
- Molecular Weight: Variable, customized by viscosity grade
- Chemical Classification: Silicone polymer, cosmetic emollient, industrial lubricant, pharmaceutical excipient
- Core Advantages
Inert non-toxic silicone polymer with adjustable viscosity. Excellent lubrication, waterproof, anti-foam, softening and heat-resistant properties. Biocompatible, widely applied in personal care, pharmacy, food processing, plastic release agent and industrial defoamer fields.
2. Physical & Chemical Properties
2.1 Physical Index
- Appearance: Colorless transparent oily liquid
- Odor: Odorless
- Solubility: Soluble in toluene, xylene, mineral oil; insoluble in water, ethanol, glycerin
- Viscosity Range: 5cst ~ 100000cst customizable
- Density (20℃): 0.960 ~ 0.975 g/cm3
- Refractive Index nD20: 1.400 ~ 1.405
- Hygroscopy: Non-hygroscopic, fully hydrophobic
2.2 Chemical Properties
- Siloxane Main Chain Structure: Stable Si-O-Si backbone, low surface tension
- Thermal Stability: Stable from -50℃ to 200℃; oxidative degradation occurs above 250℃ without antioxidant
- Acid & Alkali Resistance: Stable under neutral and weak acid/alkali; strong concentrated acid/alkali breaks siloxane chain under heating
- Surface Activity: Outstanding defoaming and leveling performance
- Compatibility: Compatible with hydrocarbon oils, most cosmetic waxes and resins; incompatible with polar water-soluble solvents
3. Main Application Fields
3.1 Cosmetic & Personal Care (Core Usage)
Emollient for facial cream, body lotion, shampoo, hair conditioner and sunscreen; delivers silky smooth skin touch, reduces hair friction, forms breathable waterproof film on skin surface.
3.2 Pharmaceutical Industry
Lubricant for tablet coating, anti-adhesive agent for suppository matrix, defoamer for oral liquid formulations, compliant with USP/EP medical grade standards.
3.3 Food Industry
Food-grade defoamer for fermentation, beverage processing and candy production, meets FCC food safety specifications.
3.4 Industrial Manufacturing
Mold release agent for plastic/rubber molding, textile softener, hydraulic lubricant, industrial circulating liquid defoamer.
4. Quality Specification Table
| Test Item | Standard Index |
| CAS No. | 9006-65-9 |
| Molecular Formula | (C2H6OSi)n |
| Appearance | Colorless transparent oily liquid |
| Kinematic Viscosity | Customizable 5cst–100000cst |
| Refractive Index (20℃) | 1.400–1.405 |
| Volatile Matter | ≤0.50% |
| Heavy Metals (Pb) | ≤10 ppm (Cosmetic/Pharm/Food Grade) |
| Residue on Ignition | ≤0.01% |
| Bulk Package | 200L lined plastic drum |
| Sample Package | 1L / 5L sealed plastic bottle |
| Storage Requirements | Hermetic cool dry warehouse ≤30℃; isolate high temperature and strong oxidants |
| Transportation Rule | Non-hazardous general polymer chemical, waterproof packaging required |
| Shelf Life | 24 months under intact sealed packaging |
