Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise specializing in the research and development, manufacturing, and sales of fine chemicals. Headquartered in Jinan, Shandong, China, we are committed to delivering high-quality products to our global partners. Currently, over 90% of our products are exported to developed markets, including North America, Europe, Japan, South Korea, and the Middle East.
Basic Information
Product Name: Poly(methylhydrosiloxane)
Alias: Polymethylhydrogensiloxane; PMHS; Methyl hydrogen silicone oil
CAS No. : 63148-57-2
EINECS No. : Not available
Molecular Formula: C16H34O28Si14
Molecular Weight: 674.00 g/mol
Classification: Silicone polymer; Hydrogen-containing silicone oil; Crosslinking agent; Waterproofing agent
Physical & Chemical Properties
Appearance: Colorless transparent oily liquid
Odor: Slight silicone odor
Solubility: Miscible with non-polar solvents, insoluble in water
Stability: Stable at normal temperature; reactive with hydroxyl / vinyl compounds; sealed storage, avoid high temperature and strong alkali
Specification Table
| Item | Specification | Unit | Remarks |
| Product Name | Poly(methylhydrosiloxane) | — | PMHS / Hydrogen silicone oil |
| CAS Number | 63148-57-2 | — | Silicone polymer |
| Appearance | Colorless transparent oily liquid | — | Low viscosity liquid |
| Molecular Formula | C16H34O28Si14 | — | Regular polymer segment |
| Molecular Weight | 674.00 | g/mol | — |
| Purity | ≥99.0 | % | Industrial grade |
Main Uses
- Silicone rubber cross-linking agent, used for addition curing silicone vulcanization
- Waterproofing agent for fabric, leather, paper and glass surface treatment
- Raw material for modified silicone oil synthesis, graft modification with unsaturated monomers
- Release agent, lubricant and defoamer in chemical and daily chemical industry
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