Phosphazene base P4-t-Bu solution
ALDRICH/79421 - ~0.8 M in hexane
Synonym: 1-tert-
CAS Number: 111324-04-0
Empirical Formula (Hill Notation): C22H63N13P4
Molecular Weight: 633.72
MDL Number: MFCD00145114
Linear Formula: C22H63N13P4
Product Type: Chemical
| concentration | ~0.8 M in hexane |
| density | 0.850-0.875 g/mL at 20 °C |
| form | liquid |
| functional group | amine |
| InChI | 1S/C22H63N13P4/c1-22(2,3) |
| InChI key | NSRBCQCXZAYQHF-UHFFFAOYSA |
| Quality Level | 100 ![]() |
| SMILES string | CN(C)P(=NP(=NC(C)(C)C)(N= |
| Application: | Phosphazene Bases: a Family of Extremely Strong, Non-Ionic, Non-Charged Nitrogen–Bases ![]() |
| Disclaimer: | Product crystallizes out of solution, can be redissolved on heating to 40°C. |
| Other Notes: | Extremely strong, hindered, neutral nitrogen base; it is about 1018 times more basic than DBU [pKa (DMSO) 30.25]. Stable to hydrolysis and unaffected by alkylating agents; Base for enolate formation and stereoselective alkylation. |
| Packaging: | 1, 5 mL in glass bottle |
| Packaging: | 25 mL in Sure/Seal™ |
| Symbol | ![]() ![]() ![]() GHS02,GHS05,GHS07,GHS08 |
| Signal word | Danger |
| Hazard statements | H225 - H304 - H314 - H336 - H361f - H373 - H412 |
| Precautionary statements | P210 - P280 - P301 + P310 + P331 - P301 + P330 + P331 - P303 + P361 + P353 - P305 + P351 + P338 + P310 |
| Hazard Codes | F,C |
| Risk Statements | 11-34-48/20-52/53-62-65-67 |
| Safety Statements | 9-16-26-33-36/37/39-45 |
| RIDADR | UN 2924 8(3) / PGII |
| WGK Germany | WGK 3 |
| Flash Point(F) | -14.8 °F - closed cup |
| Flash Point(C) | -26 °C - closed cup |
| Density | 0.850-0.875 g/mL at 20 °C |
| UNSPSC | 12352001 |





