Bis(trimethylsilyl) phosphite

Modify Date: 2025-08-25 18:32:25

Bis(trimethylsilyl) phosphite Structure
Bis(trimethylsilyl) phosphite structure
Common Name Bis(trimethylsilyl) phosphite
CAS Number 3663-52-3 Molecular Weight 226.35800
Density 0.968 g/mL at 20ºC Boiling Point 77-79ºC at 760 mmHg
Molecular Formula C6H19O3PSi2 Melting Point N/A
MSDS USA Flash Point 58 °C
Symbol GHS02 GHS07
GHS02, GHS07
Signal Word Warning

 Names

Name Bis(trimethylsilyl) phosphite
Synonym More Synonyms

 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
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

 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%

 Articles4

More 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)

 Synonyms

(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
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