2-tert-Butylimino-2-diethylamino-1,3-dimethylperhydro-1,3,2-diazaphosphorine
Tech Serve Solutions offers 2-tert-Butylimino-2-diethylamino-1,3-dimethylperhydro-1,3,2-diazaphosphorine (CAS: 98015-45-3; C13H31N4P; MW: 274.39). This highly effective, non-ionic, extremely strong phosphazene base serves as a potent synthetic reagent. It is widely utilized in chemical synthesis, particularly in reactions requiring a powerful, sterically hindered, and exceptionally basic catalyst. Its unique structure facilitates a variety of organic transformations.
- IUPAC
- BEMP
- Synonyms
- 2-diazaphosphorine,98015-45-3, C13H31N4P, BEMP

Powerful Organic Base
This phosphazene base is employed as a strong, non-nucleophilic base in various organic synthesis reactions. Its high basicity and steric hindrance make it ideal for deprotonation reactions where other bases might be too nucleophilic or not sufficiently strong.
Catalysis in Organic Synthesis
Utilized as a catalyst in diverse synthetic transformations, including polymerizations and Michael additions. Its non-ionic nature and exceptional basicity allow for efficient catalysis under specific reaction conditions.
Reagent for Specialty Chemistry
Serves as a valuable reagent in the synthesis of complex organic molecules and specialty chemicals. Its unique properties enable chemists to achieve transformations not readily accessible with conventional reagents.
| Molecular weight | 274.39 |
|---|---|
| Empirical formula | C13H31N4P |
| Assay | ≥98.0% (GC) |
| Boiling point | 74 °C/0.03 mmHg(lit.) |
| Density | 0.948 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.477(lit.)n20/D 1.477 |
| Concentration | 1 M in hexane |
| Impurities tested | ≤0.10% water |
| Application | Phosphazene Bases: a Family of Extremely Strong, Non-Ionic, Non-Charged Nitrogen–Bases |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- 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 | 110 °C / 230 °F |
| Transport (UN / ADR) | UN 2920 3(8) / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 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 2-tert-Butylimino-2-diethylamino-1,3-dimethylperhydro-1,3,2-diazaphosphorine used for?
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This compound is primarily used as a powerful, non-ionic organic base and catalyst in chemical synthesis, particularly for deprotonation reactions and other transformations requiring an extremely strong, sterically hindered base.
What are the CAS number and formula?
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The CAS number is 98015-45-3, and the empirical formula is C13H31N4P.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product with an assay of ≥98.0% (GC), and a maximum of 0.10% water. This is a high-purity reagent grade, and it is not represented as USP, BP, or EP.
How should 2-tert-Butylimino-2-diethylamino-1,3-dimethylperhydro-1,3,2-diazaphosphorine be handled?
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This compound is classified as corrosive (H314) and requires extreme care. Always wear appropriate personal protective equipment, including full-face shields, chemical-resistant gloves, and goggles. Handle only in well-ventilated areas or with appropriate respiratory protection. In case of contact, immediately flush with plenty of water and seek medical attention.
Is this product shipped internationally?
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Yes, Tech Serve Solutions is a global supplier and exporter, capable of shipping this chemical worldwide in compliance with all relevant regulations.
How can I request a quote or sample?
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To request a quote or a sample, please contact our sales team directly through our website or by phone. Our representatives will be happy to assist you with your requirements.
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