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Key Documents

414026

Sigma-Aldrich

Trimethylsilyl polyphosphate

Synonym(s):

PPSE, Polyphosphoric acid trimethylsilyl ester

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About This Item

Linear Formula:
{-P(=O)[OSi(CH3)3]O-}n
CAS Number:
MDL number:
UNSPSC Code:
12162002
PubChem Substance ID:
NACRES:
NA.23

form

liquid

Quality Level

refractive index

n20/D 1.434

density

1.18 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

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

InChI

1S/C3H9O3PSi/c1-8(2,3)6-7(4)5/h1-3H3

InChI key

YSVQLWJDHYBITL-UHFFFAOYSA-N

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Application

  • Microwave-Assisted Synthesis of 2-Aryl-2-oxazolines, 5,6-Dihydro-4H-1,3-oxazines, and 4,5,6,7-Tetrahydro-1,3-oxazepines: Utilizes trimethylsilyl polyphosphate under solvent-free conditions for the efficient preparation of various oxazolines and oxazines (MC Mollo, LR Orelli, 2016).

Pictograms

FlameExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

39.2 °F - closed cup

Flash Point(C)

4 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Tetrahedron Letters, 45, 2465-2465 (1989)
Tetrahedron Letters, 22, 1803-1803 (1981)

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