Tris(trimethylsilyl) phosphate, ≥98%

Name: Tris(trimethylsilyl) phosphate, ≥98%
Brand: Vaqora Chemicals
SKU: VQ-011166

About Tris(trimethylsilyl) phosphate, ≥98%

Tris(trimethylsilyl) phosphate (CAS 10497-05-9) is an organosilicon compound offered by Vaqora Chemicals at a purity of ≥98%. With the molecular formula C9H27O4PSi3, it has a molar mass of 314.54 g/mol. Alternative names: Phosphoric acid tris(trimethylsilyl ester) and Tris(trimethylsilyl)phosphate.

In its supplied form it is a colourless liquid. Literature values give a melting point of 3-4 °C and a density of 0.945 g/mL at 25 °C. Store in a cool, well-ventilated place, away from sources of ignition, with the container tightly sealed. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

It is commonly used for organic synthesis, pharmaceutical synthesis, dyes and pigments manufacture and agrochemical formulations. Typical end-use sectors are pharmaceutical manufacturing, academic and industrial research and agrochemical production.

Vaqora Chemicals supplies Tris(trimethylsilyl) phosphate in 5 g, 25 g and 1 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Organic synthesis
Pharmaceutical synthesis
Dyes & pigments manufacture
Agrochemical formulations

Industries

Specifications & identifiers

Chemical identifiers
Product name	Tris(trimethylsilyl) phosphate, ≥98%
Catalogue No.	VQ-011166
CAS Number	10497-05-9
IUPAC name	tris(trimethylsilyl) phosphate
Molecular formula	C₉H₂₇O₄PSi₃
Molecular weight	314.54 g/mol
Exact mass	314.0955
Purity / assay	≥98%
HSN code	29199090
InChIKey	QJMMCGKXBZVAEI-UHFFFAOYSA-N
SMILES	C[Si](C)(C)OP(=O)(O[Si](C)(C)C)O[Si](C)(C)C
PubChem CID	25317

Physical properties
Physical form	Liquid
Appearance	Colourless liquid
Melting point	3-4 °C
Density	0.945 g/mL at 25 °C
H-bond donors / acceptors	0 / 4
TPSA	44.8 Å²
Synonyms	Phosphoric acid tris(trimethylsilyl ester), Tris(trimethylsilyl)phosphate, Silanol, trimethyl-, phosphate (3:1), Phosphoric Acid Tris(trimethylsilyl) Ester, Tris-(trimethylsilyl)fosfat, C9H27O4PSi3, tritrimethylsilyl phosphate, Phosphoric acid, triTMS, Phosphoric acid, tris-TMS, 4-04-00-04017 (Beilstein Handbook Reference), tris(trimethylsiloxy)phosphine oxide, Tris(trimethylsilyl) phosphate, >=98%

Safety & hazard information (GHS)

Flammable

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

H225Highly flammable liquid and vapor
H226Flammable liquid and vapor
H314Causes severe skin burns and eye damage
H315Causes skin irritation
H318Causes serious eye damage
H319Causes serious eye irritation
H335May cause respiratory irritation
H412Harmful to aquatic life with long lasting effects

Precautionary statements: P210, P233, P240, P241, P242, P243, P260, P261, P264, P264 + P265, P271, P273, P280, P301 + P330 + P331, P302 + P352, P302 + P361 + P354, P303 + P361 + P353, P304 + P340, P305 + P351 + P338, P305 + P354 + P338, P316, P317, P319, P321

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Tris(trimethylsilyl) phosphate, ≥98%?

The CAS Registry Number of Tris(trimethylsilyl) phosphate, ≥98% is 10497-05-9. It is also known as Phosphoric acid tris(trimethylsilyl ester), Tris(trimethylsilyl)phosphate, Silanol, trimethyl-, phosphate (3:1).

What is the molecular formula and molecular weight of Tris(trimethylsilyl) phosphate, ≥98%?

Tris(trimethylsilyl) phosphate, ≥98% has the molecular formula C9H27O4PSi3 and a molecular weight of 314.54 g/mol. Its IUPAC name is tris(trimethylsilyl) phosphate.

Which grade and pack sizes of Tris(trimethylsilyl) phosphate, ≥98% can I order?

We supply Tris(trimethylsilyl) phosphate, ≥98% in (≥98%) grade, in 5 g, 25 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Tris(trimethylsilyl) phosphate, ≥98%?

Yes. Every lot of Tris(trimethylsilyl) phosphate, ≥98% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Tris(trimethylsilyl) phosphate, ≥98% be shipped internationally?

Yes. Tris(trimethylsilyl) phosphate, ≥98% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.