Diphenylsilanediol

Diphenylsilanediol
Names
	Other names dihydroxydiphenylsilane
Identifiers
CAS Number	947-42-2 ;
3D model (JSmol)	Interactive image;
ChemSpider	13100;
ECHA InfoCard	100.012.207
PubChem CID	13693;
UNII	36X37P8NBB ;
CompTox Dashboard (EPA)	DTXSID3061340 ;
	InChI InChI=1S/C12H12O2Si/c13-15(14,11-7-3-1-4-8-11)12-9-5-2-6-10-12/h1-10,13-14H Key: OLLFKUHHDPMQFR-UHFFFAOYSA-N;
	SMILES c1ccc(cc1)[Si](c2ccccc2)(O)O;
Properties
Chemical formula	C12H12O2Si
Molar mass	216.308 g/mol
Density	1.255 g/cm3[1]
Melting point	144 to 148 °C (291 to 298 °F; 417 to 421 K)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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	Infobox references

Diphenylsilanediol, Ph₂Si(OH)₂, is a silanol. The tetrahedral molecule forms hydrogen-bonded columns in the solid state.[2] It can be prepared by hydrolysis of diphenyldichlorosilane Ph₂SiCl₂. Diphenylsilanediol can act as an anticonvulsant, in a similar way to phenytoin.[2] Although the compound is stable in normal conditions, the presence of basic impurities can accelerate the condensation of the silanol groups.

References

T. J. Kistenmacher; M. Rossi; L. K. Frevel (October 1978). "Crystal data for diphenylsilanediol, (C₆H₃)₂Si(OH)₂". J. Appl. Cryst. 11 (5): 670–671. doi:10.1107/S002188987801420X.
J. K. Fawcett; N. Camerman; A. Camerman (1977). "Stereochemical basis of anticonvulsant drug action. VI. Crystal and molecular structure of diphenylsilanediol". Can. J. Chem. 55 (20): 3631–3635. doi:10.1139/v77-510.

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[1] T. J. Kistenmacher; M. Rossi; L. K. Frevel (October 1978). "Crystal data for diphenylsilanediol, (C₆H₃)₂Si(OH)₂". J. Appl. Cryst. 11 (5): 670–671. doi:10.1107/S002188987801420X.

[Fawcett-2] J. K. Fawcett; N. Camerman; A. Camerman (1977). "Stereochemical basis of anticonvulsant drug action. VI. Crystal and molecular structure of diphenylsilanediol". Can. J. Chem. 55 (20): 3631–3635. doi:10.1139/v77-510.