482382

Poly(methylhydrosiloxane), trimethylsilyl terminated

average M_n ~390

• Synonym(s): Methyl hydrogen polysiloxane
• Linear Formula: (CH₃)₃SiO[SiH(CH₃)O]_nSi(CH₃)₃
• CAS Number: 63148-57-2
• MDL number: MFCD00084478
• UNSPSC Code: 12162002
• PubChem Substance ID: 24871825
• NACRES: NA.23

Properties

• mol wt: average M_n ~390
• Quality Level: 100
• refractive index: n20/D 1.391 (lit.)
• viscosity: ~3 cSt(lit.)
• bp: >177 °C (lit.)
• density: 0.85 g/mL at 25 °C (lit.)
• SMILES string: [H][Si](C)(C)O.C[Si](C)(C)C.C[Si](C)(C)O

Safety Information

• Storage Class Code: 10 - Combustible liquids
• WGK: WGK 3
• Flash Point(F): 399.2 °F - closed cup
• Flash Point(C): 204 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves