93412

Tris(trimethylsilyl) phosphite

≥95.0% (GC)

• Synonym(s): Trimethylsilanol phosphite, Tris(trimethylsilyloxy)phosphine
• 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

Properties

• 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

Description

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[LiNi_0.8Mn_0.1Co_0.1O₂]/Si-Grcell.

Other Notes

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

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H315,H319
• Precautionary Statements: P264 - P280 - P302 + P352 - P305 + P351 + P338 - P332 + P313 - P337 + P313
• 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