Phosphazene base P1-t-Bu
Phosphazene base P1-t-Bu (CAS: 81675-81-2, Formula: C10H27N4P) is a powerful, non-ionic organic base with a molecular weight of 234.32 g/mol. It is recognised for its exceptional strength and finds utility as a versatile reagent in organic synthesis. This compound serves as a key component in various chemical reactions, leveraging its unique phosphazene structure for demanding synthetic transformations.
- IUPAC
- tert-Butylimino-tris(dimethylamino)phosphorane,N′-tert-Butyl-N,N,N′,N′,N″,N″-hexamethylphosphorimidic triamide

Organic Synthesis Reagent
As a potent phosphazene base, P1-t-Bu facilitates a wide range of organic transformations. Its strong basicity and non-ionic character make it suitable for deprotonation reactions and as a catalyst in complex synthetic pathways.
Deprotonation Agent
This base is effective in abstracting protons from weakly acidic compounds, enabling the formation of carbanions or other reactive intermediates critical for carbon-carbon bond formation and functional group interconversions.
Catalysis in Polymerisation
Phosphazene bases, including P1-t-Bu, can act as initiators or catalysts in certain polymerisation reactions, influencing polymer architecture and properties.
| Molecular weight | 234.32 |
|---|---|
| Empirical formula | C10H27N4P |
| Assay | ≥97.0% (GC) |
| Application | Phosphazene Bases: a Family of Extremely Strong, Non-Ionic, Non-Charged Nitrogen–Bases |


Hazard statements
- H314Causes severe skin burns and eye damage
- H340May cause genetic defects
- H350May cause cancer
Precautionary statements
- P201Obtain special instructions before use
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Transport (UN / ADR) | UN 2735PSN2 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 45-46-34 |
| Safety statements (S) | 53-26-36/37/39-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Phosphazene base P1-t-Bu primarily used for?
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Phosphazene base P1-t-Bu is primarily used as a powerful, non-ionic organic base and reagent in various organic synthesis applications, particularly for deprotonation and catalysis.
What are the CAS number and formula for Phosphazene base P1-t-Bu?
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The CAS number for Phosphazene base P1-t-Bu is 81675-81-2, and its empirical formula is C10H27N4P.
What grade and purity does Tech Serve Solutions supply for Phosphazene base P1-t-Bu?
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Tech Serve Solutions supplies Phosphazene base P1-t-Bu with a purity of ≥97.0% (GC). We do not represent this product as meeting USP, BP, EP, or other pharmacopoeia standards.
What are the main safety hazards associated with Phosphazene base P1-t-Bu?
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Phosphazene base P1-t-Bu is classified as a Danger. It causes severe skin burns and eye damage (H314), and may cause genetic defects (H340) and cancer (H350). Appropriate personal protective equipment, including full-face protection and suitable gloves, must be used.
How is Phosphazene base P1-t-Bu packed, shipped, and exported by TSS?
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Tech Serve Solutions packs, ships, and exports Phosphazene base P1-t-Bu in compliance with international regulations for hazardous materials, including UN 2735 classification. Please contact us for specific shipping details for your region.
How can I request a sample or a quote for Phosphazene base P1-t-Bu?
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To request a sample or a quote for Phosphazene base P1-t-Bu, please visit the 'Contact Us' section of the Tech Serve Solutions website or call our sales department.
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