Tris(trimethylsilyl) phosphate
[CAS# 10497-05-9]

Identification

• Classification: Chemical reagent >> Organic reagent >> Siloxane
• Name: Tris(trimethylsilyl) phosphate
• Synonyms: Tris(trimethylsiloxy)phosphine oxide
• Molecular Formula: C₉H₂₇O₄PSi₃
• Molecular Weight: 314.54
• CAS Registry Number: 10497-05-9
• EC Number: 234-028-1

Properties

• Solubility: Slightly soluble (2.4 g/L) (25 ºC), Calc.^*
• Density: 0.965 g/cm³ (20 ºC)^**
• Melting point: 3.5 ºC^***
• Boiling point: 231.8 ºC (749.5 Torr)^****
• Refractive index: 1.4110 (20 ºC)^*****
• Flash point: 110.8±22.6 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2015 ACD/Labs)

^** Voronkov, M. G.; Zhurnal Obshchei Khimii 1957, V27, P1483-6.

^*** Schmidt, Max; Chemische Berichte 1960, V93, P872-8.

^**** Voronkov, M. G.; Zhurnal Obshchei Khimii 1955, V25, P469-70.

^***** Gazizov, T. Kh.; Zhurnal Obshchei Khimii 1982, V52(4), P769-76.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Skin irritation	Skin Irrit.	2	H315
Serious eye damage	Eye Dam.	1	H318
Flammable liquids	Flam. Liq.	2	H225
Flammable liquids	Flam. Liq.	3	H226
Eye irritation	Eye Irrit.	2	H319
Specific target organ toxicity - single exposure	STOT SE	3	H335
Skin corrosion	Skin Corr.	1B	H314
Skin corrosion	Skin Corr.	1	H314
Acute toxicity	Acute Tox.	4	H302
Chronic hazardous to the aquatic environment	Aquatic Chronic	3	H412