tris(tert-butyldimethylsilyl) phosphite

Modify Date: 2025-08-27 12:37:00

tris(tert-butyldimethylsilyl) phosphite Structure
tris(tert-butyldimethylsilyl) phosphite structure
Common Name tris(tert-butyldimethylsilyl) phosphite
CAS Number 85197-27-9 Molecular Weight 424.77800
Density 0.907 g/mL at 20ºC(lit.) Boiling Point 82-84ºC0.2 mm Hg
Molecular Formula C18H45O3PSi3 Melting Point 41735ºC
MSDS Chinese USA Flash Point 174.7ºC
Symbol GHS05
GHS05
Signal Word Danger

 Names

Name tris[tert-butyl(dimethyl)silyl] phosphite

 Chemical & Physical Properties

Density 0.907 g/mL at 20ºC(lit.)
Boiling Point 82-84ºC0.2 mm Hg
Melting Point 41735ºC
Molecular Formula C18H45O3PSi3
Molecular Weight 424.77800
Flash Point 174.7ºC
Exact Mass 424.24100
PSA 41.28000
LogP 8.27870
Index of Refraction n20/D 1.445

 Safety Information

Symbol GHS05
GHS05
Signal Word Danger
Hazard Statements H314
Precautionary Statements P280-P305 + P351 + P338-P310
Personal Protective Equipment Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes C
Risk Phrases 34
Safety Phrases 26-36/37/39-45
RIDADR UN 3265 8/PG 3
WGK Germany 3
Packaging Group III
HS Code 2931900090

 Synthetic Route

~%

tris(tert-butyldimethylsilyl) phosphite Structure

tris(tert-butyl...

CAS#:85197-27-9

Literature: Montero; Clavel; Imbach Tetrahedron Letters, 1987 , vol. 28, # 11 p. 1163 - 1164

 Precursor & DownStream

Precursor  1

DownStream  0

 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%

 Articles2

More Articles
J.-L. Montero et al.

Tetrahedron Lett. 28 , 1163, (1987)

L. Wozniak, J. Chojnowski

Tetrahedron 45 , 2465, (1989)

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