Skip to Content
Merck
CN

93412

Tris(trimethylsilyl) phosphite

≥95.0% (GC)

Synonym(s):

Trimethylsilanol phosphite, Tris(trimethylsilyloxy)phosphine

Sign Into View Organizational & Contract Pricing

Select a Size

About This Item

Linear Formula:
[(CH3)3SiO]3P
CAS Number:
1795-31-9
Molecular Weight:
298.54
Beilstein:
2043814
MDL number:
MFCD00015588
UNSPSC Code:
12352100
PubChem Substance ID:
57653555
NACRES:
NA.22

Key Documents

View All Documentation
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

Quality Level

100

Assay

≥95.0% (GC)

form

liquid

refractive index

n20/D 1.409 (lit.)

bp

78-81 °C/8 mmHg (lit.)

density

0.893 g/mL at 25 °C (lit.)

SMILES string

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

InChI

1S/C9H27O3PSi3/c1-14(2,3)10-13(11-15(4,5)6)12-16(7,8)9/h1-9H3

InChI key

VMZOBROUFBEGAR-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Related Categories

General description

Tris(trimethylsilyl)phosphate is tris(trimethylsilyl)ester of phosphoric acid. It is an important raw material and intermediate inorganic synthesis. It is used in the preparation of bis(trimethylsilyl)phosphonate esters by the Arbuzov reaction with halogen-containing compounds.

Application

Tris(trimethylsilyl) phosphite is used as a:
  • Film-forming additive to enhance the electrochemical performance of the NMC811[LiNi0.8Mn0.1Co0.1O2]/Si-Grcell.

Other Notes

Reagent used for the mild preparation of bis(TMS) phosphonates (Arbuzow reaction); Review

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

235.4 °F - closed cup

Flash Point(C)

113 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
BCCK6472
BCCJ2909
BCCJ0464
BCCJ0456
BCCD7314

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

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

Visit the Document Library

Tris (trimethylsilyl) Phosphite
Bittman R
Encyclopedia of Reagents for Organic Synthesis, Second Edition (2001)
Understanding the Roles of Tris (trimethylsilyl) Phosphite (TMSPi) in LiNi0. 8Mn0. 1Co0. 1O2 (NMC811)/Silicon--Graphite (Si--Gr) Lithium-Ion Batteries
Liu H, et al.
Advanced Materials Interfaces, 7(15), 2000277-2000277 (2020)
M. Sekine et al.
The Journal of Organic Chemistry, 46, 2097-2097 (1981)
L.E. Dreef et al.
Tetrahedron Letters, 29, 1199-1199 (1988)
M. Sekine et al.
Journal of the Chemical Society. Chemical Communications, 285-285 (1978)
View All Related Papers

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