Product Name

  • Name

    Methyltris(dimethylsiloxy)silane

  • EINECS 241-136-2
  • CAS No. 17082-46-1
  • Density 0.861
  • Solubility
  • Melting Point -155°C
  • Formula C7H24 O3 Si4
  • Boiling Point 68 °C5 mm Hg(lit.)
  • Molecular Weight 268.608
  • Flash Point 68.2°C
  • Transport Information
  • Appearance
  • Safety 26-36
  • Risk Codes 36/37/38
  • Molecular Structure Molecular Structure of 17082-46-1 (Methyltris(dimethylsiloxy)silane)
  • Hazard Symbols
  • Synonyms Trisiloxane,3-(dimethylsiloxy)-1,1,3,5,5-pentamethyl- (6CI,8CI); M 9195; Methyltris(dimethylhydrosiloxy)silane; Methyltris(dimethylsiloxy)silane; TSL 8242;Tris(dimethylhydrogensiloxy)methylsilane
  • PSA 27.69000
  • LogP 1.55510

Methyltris(dimethylsiloxy)silane Chemical Properties

Molecular Structure of Methyltris(dimethylsiloxy)silane (CAS NO.17082-46-1):

Systematic Name: 3-[(Dimethylsilyl)oxy]-1,1,3,5,5-pentamethyltrisiloxane 
Molecular Formula: C7H24O3Si4
Molecular Weight: 268.61
EINECS: 241-136-2 
Density: 0.861 g/mL at 25 °C(lit.)
Refractive index: n20/D 1.384(lit.)
Melting Point: -155 °C
Flash Point: 68.2 °C
Enthalpy of Vaporization: 40.79 kJ/mol
Boiling Point: 189.1 °C at 760 mmHg
Vapour Pressure: 0.8 mmHg at 25 °C
SMILES: O([SiH](C)C)[Si](O[SiH](C)C)(O[SiH](C)C)C
InChI: InChI=1/C7H24O3Si4/c1-11(2)8-14(7,9-12(3)4)10-13(5)6/h11-13H,1-7H3
InChIKey: DYXYFYSDMOOWRX-UHFFFAOYAN

Methyltris(dimethylsiloxy)silane Safety Profile

Safety Information of Methyltris(dimethylsiloxy)silane (CAS NO.17082-46-1):
Hazard Codes: IrritantXi
Risk Statements: 36/37/38 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36:Wear suitable protective clothing.
WGK Germany: 3
F: 10-21
TSCA: No

Methyltris(dimethylsiloxy)silane Specification

 Methyltris(dimethylsiloxy)silane (CAS NO.17082-46-1), its Synonyms are 3-((Dimethylsilyl)oxy)-1,1,3,5,5-pentamethyltrisiloxane ; Trisiloxane,3-[(dimethylsilyl)oxy]-1,1,3,5,5-pentamethyl- ; Trisiloxane,3-(dimethylsiloxy)-1,1,3,5,5-pentamethyl- (6CI,8CI) ; M 9195 ; Tris(dimethylhydrogensiloxy)methylsilane .

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