2,8,9-Trimethyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane hydrochloride
2,8,9-Trimethyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane hydrochloride (CAS 138800-17-6) is a complex organic compound with a molecular weight of 252.72 g/mol. This bicyclic phosphine derivative functions primarily as a strong organic base and a reagent in chemical synthesis. Its unique structure lends itself to specific applications within organic chemistry research and development.
- Synonyms
- 5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane hydrochloride138800-17-6C9H21N4P · HCl
![2,8,9-Trimethyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane hydrochloride (C9H21N4P · HCl) — chemical structure, CAS 138800-17-6; Chemistry, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F138800-17-6.png&w=3840&q=75)
Organic Base
This compound serves as a potent organic base due to the presence of multiple nitrogen atoms and the phosphine moiety. It is valuable in organic synthesis for deprotonation reactions and as a catalyst.
Chemical Synthesis Reagent
As a specialised reagent, it finds application in complex organic transformations. Its specific reactivity profile makes it suitable for use in the development of novel synthetic methodologies.
Ligand in Coordination Chemistry
The phosphine and amine functionalities suggest potential utility as a ligand in coordination chemistry, forming complexes with various transition metals.
| Molecular weight | 252.72 |
|---|---|
| Empirical formula | C9H21N4P · HCl |
| Assay | 96% |
| Melting point | 132-136 °C(lit.) |

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 | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 3263 8 / PGIII |
| 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 2,8,9-Trimethyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane hydrochloride used for?
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It is primarily used as a potent organic base and a reagent in specialised organic synthesis and potentially as a ligand in coordination chemistry.
What is the CAS number and formula for this compound?
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The CAS number is 138800-17-6 and the empirical formula is C9H21N4P · HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical with an assay of 96%. We do not represent it as USP, BP, EP, or other pharmacopoeial grades unless explicitly stated in the product specifications.
How should this chemical be handled safely?
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This compound is classified as Danger, causing severe skin burns and eye damage (H314). Appropriate personal protective equipment, including eyeshields, face shields, and chemical-resistant gloves, must be worn. Handle in a well-ventilated area and follow all safety precautions, including P280, P305 + P351 + P338, and P310.
Can Tech Serve Solutions export this chemical?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals and laboratory reagents.
How can I request a sample or quote for this chemical?
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Please contact our sales team directly to request a sample or obtain a quotation for this product.
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