~0.8 M in hexane for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Room temperature,Desiccated Ships Normal Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Phosphazene base P4-t-Bu solution is an extremely strong, hindered, neutral nitrogen base; approximately 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.
| Isomeric SMILES | CC(C)(C)N=P(N=P(N(C)C)(N(C)C)N(C)C)(N=P(N(C)C)(N(C)C)N(C)C)N=P(N(C)C)(N(C)C)N(C)C |
|---|---|
| WGK Germany | 3 |
| PubChem CID | 4339838 |
| UN Number | 2924 |
| Packing Group | II |
| Molecular Weight | 633.72 |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
 H2615644 | Certificate of Analysis | Jul 22, 2026 | P334666 |
| H2615565 | Certificate of Analysis | Jul 22, 2026 | P334666 |
| J2524530 | Certificate of Analysis | Oct 17, 2025 | P334666 |
| J2524527 | Certificate of Analysis | Oct 17, 2025 | P334666 |
| I2519044 | Certificate of Analysis | Feb 25, 2025 | P334666 |
| C2504493 | Certificate of Analysis | Feb 25, 2025 | P334666 |
| C2504494 | Certificate of Analysis | Feb 25, 2025 | P334666 |
| G2405575 | Certificate of Analysis | Jun 25, 2024 | P334666 |
| G2405577 | Certificate of Analysis | Jun 25, 2024 | P334666 |
| G2405576 | Certificate of Analysis | Jun 25, 2024 | P334666 |
| G2405574 | Certificate of Analysis | Jun 25, 2024 | P334666 |
| D2410357 | Certificate of Analysis | Mar 20, 2024 | P334666 |
| D2410352 | Certificate of Analysis | Mar 20, 2024 | P334666 |
| H2324653 | Certificate of Analysis | Aug 09, 2023 | P334666 |
| H2324654 | Certificate of Analysis | Aug 09, 2023 | P334666 |
| C23241567 | Certificate of Analysis | Mar 07, 2023 | P334666 |
| C23241566 | Certificate of Analysis | Mar 07, 2023 | P334666 |
| K2216536 | Certificate of Analysis | Sep 19, 2022 | P334666 |
| K2216527 | Certificate of Analysis | Sep 19, 2022 | P334666 |
| B2223676 | Certificate of Analysis | Feb 08, 2022 | P334666 |
| B2223616 | Certificate of Analysis | Feb 08, 2022 | P334666 |
| Sensitivity | Moisture sensitive |
|---|---|
| x_flash_point_drop_fahrenheit | -14.8 °F |
| x_flash_point_drop_centigrade | -26 °C |
| x_boil_point_char | 68° C |
| 1. Naifan Dong, Jintang Duan, Cailiang Zhang, Xueping Gu, Lianfang Feng, Liu Liu. (2025) Cyclo-linear synthesis of amino silicone oil and study on the catalytic polymerization mechanism of phosphazene base. POLYMER, [PMID:] [10.1016/j.polymer.2025.128163] |
