Bis(trimethylsilyl) phosphite

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Names

[ CAS No. ]:
3663-52-3

[ Name ]:
Bis(trimethylsilyl) phosphite

[Synonym ]:
(Me3SiO)2P(O)H
Silanol,trimethyl-,phosphonate (6CI,7CI)
HP(O)(OSiMe3)2
(Me2SiO)2P(=O)H
bis-(trimethylsilyl) phosphite
Phosphonic acid,bis(trimethylsilyl) ester
Silanol,trimethyl-,phosphonate (2:1)(8CI)
bis-(trimethylsilyl) phosphonate
Bis(trimethylsilyl) hydrogen phosphite

Chemical & Physical Properties

[ Density]:
0.968 g/mL at 20ºC

[ Boiling Point ]:
77-79ºC at 760 mmHg

[ Molecular Formula ]:
C6H19O3PSi2

[ Molecular Weight ]:
226.35800

[ Flash Point ]:
58 °C

[ Exact Mass ]:
226.06100

[ PSA ]:
52.28000

[ LogP ]:
2.90860

[ Index of Refraction ]:
1.412

[ Storage condition ]:
2-8°C

Safety Information

[ Symbol ]:

GHS02, GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H226-H315-H319-H335

[ Precautionary Statements ]:
P261-P305 + P351 + P338

[ Personal Protective Equipment ]:
Eyeshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ Hazard Codes ]:
Xi: Irritant;

[ Risk Phrases ]:
36/37/38

[ Safety Phrases ]:
S26-S36/37/39

[ RIDADR ]:
UN 1993 3/PG 3

[ WGK Germany ]:
3

[ HS Code ]:
2931900090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Chlorotrimethylsilane
  • Phosphorous acid
  • Hexamethyldisiloxane
  • phosphorous acid
  • Triethylsilane
  • Diethyl phosphite
  • Bromo(trimethyl)silane
  • mono-(trimethylsilyl)phosphite
  • Hexamethyldisilazane
  • Dimethyl phosphonate

DownStream

  • bis(chloromethyl)phosphoryloxy-trimethylsilane
  • Tris(trimethylsilyl) Phosphite
  • ((Benzylazanediyl)bis(methylene))diphosphonic acid
  • (benzylamino)methylphosphonic acid
  • [(isopropylimino)dimethylene]bisphosphonic acid
  • N-isopropylaminomethylphosphonic acid

Customs

[ HS Code ]: 2931900090

[ Summary ]:
2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

Articles

V.A. Solodenko, V.P. Kukhar

Zh. Obshch. Khim. 59 , 2684, (1989)

L. Maier, T. Winkler

Phosphorus. Sulfur. Silicon Relat. Elem. 63 , 65, (1991)

J. Chojnowski et al.

Synthesis , 683, (1977)


More Articles

Related Compounds

  • bis(trimethylsilyl) phosphite
  • ethyl bis(trimethylsilyl) phosphite
  • methyl bis(trimethylsilyl) phosphite
  • phenyl bis(trimethylsilyl) phosphite
  • propyl bis(trimethylsilyl) phosphite
  • (4-methoxyphenyl) bis(trimethylsilyl) phosphite
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