414026

Trimethylsilyl polyphosphate

• Synonym(s): PPSE, Polyphosphoric acid trimethylsilyl ester
• Linear Formula: {-P(=O)[OSi(CH₃)₃]O-}n
• CAS Number: 40623-46-9
• MDL number: MFCD00148705
• UNSPSC Code: 12162002
• PubChem Substance ID: 24865884
• NACRES: NA.23

Properties

• form: liquid
• 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

Description

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).

Safety Information

• pictograms: GHS02,GHS07
• signalword: Danger
• hcodes: H225,H315,H319,H335
• pcodes: P210 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Flam. Liq. 2 - Skin Irrit. 2 - STOT SE 3
• target_organs: Respiratory system
• Storage Class: 3 - Flammable liquids
• wgk_germany: WGK 3
• flash_point_f: 39.2 °F - closed cup
• flash_point_c: 4 °C - closed cup
• ppe: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter