Poly(Methylhydrosiloxane)
Food Additives 2025-03-02
Multiple Names Poly(Dimethylsiloxane-Co-Methylhydrosiloxane); Methyl Hydrogen Silicone Fluid; Poly(methylhydrosiloxane); Methylhydro-Silicone Oil; PMHS; Trimethylsiloxy Terminatedpolymethyhydrosiloxane; Methyl hydro-Silicone Oil; Polymethylhydrosiloxane, Trimethylsiloxy Terminated. CAS No. 63148-57-2 EC No. 613-152-3 MF No. C7H22O2Si3 MW No. 222.5
Properties and Applications of Poly(Methylhydrosiloxane)
| Subheadings | Details |
|---|---|
| Chemical Name | Poly(Methylhydrosiloxane) |
| Formula | (CH₃SiHO)ₙ |
| Molecular Weight | Variable, depending on polymer chain length |
| Appearance | Clear, colorless to slightly yellow liquid |
| Density | Approximately 0.96 g/mL at 25°C |
| Viscosity | Ranges from low to high, depending on grade |
| Flash Point | Above 50°C (varies with specific product) |
| Refractive Index | Approximately 1.40 at 25°C |
| Stability | Stable under normal conditions; avoid heat, sparks, and flames |
| Solubility | Soluble in organic solvents; insoluble in water |
| Reactivity | Reactive with oxygen, acids, and bases; undergoes hydrolysis |
| Hazard Classification | Flammable liquid; may cause irritation to skin and eyes |
| Applications | – Used as a crosslinker in silicone rubber formulations |
| – Employed in the production of silicone oils and greases | |
| – Utilized in the synthesis of various silicone-based materials | |
| Storage Conditions | Store in a cool, dry place, away from heat and open flames |
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