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93315

Sigma-Aldrich

Tris(tert-butyldimethylsilyl) phosphite

≥97.0%

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About This Item

Empirical Formula (Hill Notation):
C18H45O3PSi3
CAS Number:
85197-27-9
Molecular Weight:
424.78
Beilstein:
4437247
MDL number:
MFCD00077891
UNSPSC Code:
12352100
PubChem Substance ID:
57653532
NACRES:
NA.22

Assay

≥97.0%

form

liquid

refractive index

n20/D 1.445

bp

82-84 °C/0.2 mmHg

mp

4-6 °C

density

0.907 g/mL at 20 °C (lit.)

SMILES string

CC(C)(C)[Si](C)(C)OP(O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C

InChI

1S/C18H45O3PSi3/c1-16(2,3)23(10,11)19-22(20-24(12,13)17(4,5)6)21-25(14,15)18(7,8)9/h1-15H3

InChI key

PEHSJBUJMHHQDE-UHFFFAOYSA-N

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Other Notes

Reagent used for the preparation of phosphonic acid silyl esters from halides; the TBDMS esters are more stable than the corresponding TMS esters; review

Pictograms

Corrosion
GHS05

Signal Word

Danger

Hazard Statements

H314

Hazard Classifications

Skin Corr. 1B

Storage Class Code

8A - Combustible corrosive hazardous materials

WGK

WGK 3

Flash Point(F)

190.4 °F - closed cup

Flash Point(C)

88 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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J.-L. Montero et al.
Tetrahedron Letters, 28, 1163-1163 (1987)
L. Wozniak et al.
Tetrahedron, 45, 2465-2465 (1989)

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