Product Name

  • Name

    hydroxymethyldiphenylsilane

  • EINECS 212-293-4
  • CAS No. 778-25-6
  • Article Data84
  • CAS DataBase
  • Density 1.07
  • Solubility
  • Melting Point 167°C
  • Formula C13H14 O Si
  • Boiling Point 304 °C [760mmHg]
  • Molecular Weight 214.339
  • Flash Point 138 °C
  • Transport Information
  • Appearance
  • Safety Experimental reproductive effects. When heated to decomposition it emits acrid smoke and irritating fumes.
  • Risk Codes
  • Molecular Structure Molecular Structure of 778-25-6 (hydroxymethyldiphenylsilane)
  • Hazard Symbols
  • Synonyms Silanol,methyldiphenyl- (6CI,7CI,8CI,9CI); Diphenyl(hydroxy)methylsilane;Diphenylmethylhydroxysilane; Diphenylmethylsilanol; Methyldiphenylhydroxysilane;Methyldiphenylsilanol
  • PSA 20.23000
  • LogP 1.36840

Hydroxymethyldiphenylsilane Chemical Properties

Molecule structure of Diphenylmethylsilanol (CAS NO.778-25-6) :

IUPAC Name: hydroxy-methyl-diphenylsilane 
Molecular Weight: 214.33516 g/mol
Molecular Formula: C13H14OSi 
Density: 1.07 g/cm3 
Boiling Point: 303.6 °C at 760 mmHg 
Flash Point: 137.4 °C
Index of Refraction: 1.577
Molar Refractivity: 66.38 cm3
Molar Volume: 200.1 cm3
Polarizability: 26.31*10-24 cm3
Surface Tension: 37.2 dyne/cm 
Enthalpy of Vaporization: 57.43 kJ/mol
Vapour Pressure: 0.000407 mmHg at 25 °C 
log P (octanol-water): 3.580
Atmospheric OH Rate Constant: 7.50E-12 cm3/molecule-sec
H-Bond Donor: 1
H-Bond Acceptor: 1
Rotatable Bond Count: 2
Exact Mass: 214.081392
MonoIsotopic Mass: 214.081392
Topological Polar Surface Area: 20.2
Heavy Atom Count: 15
Complexity: 175
Canonical SMILES: C[Si](C1=CC=CC=C1)(C2=CC=CC=C2)O
InChI: InChI=1S/C13H14OSi/c1-15(14,12-8-4-2-5-9-12)13-10-6-3-7-11-13/h2-11,14H,1H3
InChIKey: MLPRTGXXQKWLDM-UHFFFAOYSA-N
EINECS: 212-293-4
Product Categories: Phenyl Silanes

Hydroxymethyldiphenylsilane Consensus Reports

Reported in EPA TSCA Inventory.

Hydroxymethyldiphenylsilane Safety Profile

Experimental reproductive effects. When heated to decomposition it emits acrid smoke and irritating fumes.

Hydroxymethyldiphenylsilane Specification

 Diphenylmethylsilanol (CAS NO.778-25-6) is also called 4-16-00-01478 (Beilstein Handbook Reference) ; BRN 2937442 ; Methyldiphenylsilanol ; Hydroxymethyldiphenylsilane ; Silanol, 1-methyl-1,1-diphenyl- ; Silanol, diphenylmethyl- ; Silanol, methyldiphenyl- . Diphenylmethylsilanol (CAS NO.778-25-6) is colorless or yellowish transparent liquid.

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