Skip to Content
Merck
All Photos(1)

Documents

Safety Information

93315

Sigma-Aldrich

Tris(tert-butyldimethylsilyl) phosphite

≥97.0%

Sign Into View Organizational & Contract Pricing
All Photos(1)

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

Looking for similar products? Visit Product Comparison Guide

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

FSL

Group 4: Flammable liquids
Type 3 petroleums
Hazardous rank III
Water insoluble liquid

JAN Code

93315-VAR:
93315-25ML:
93315-5ML:
93315-BULK:

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’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

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

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service