4-(Diethylphosphino)-N,N-dimethylaniline
4-(Diethylphosphino)-N,N-dimethylaniline (CAS: 17005-57-1), a phosphine compound with the molecular formula C12H20NP, is a valuable reagent in chemical synthesis. Its structure features a diethylphosphino group attached to a dimethylaniline moiety, making it particularly useful as a ligand in catalysis. Supplied by TSS with an assay of 97%, this compound is primarily employed in advanced organic reactions and coordination chemistry.
- IUPAC
- 4-(Diethylphosphino)-N,N-dimethylbenzenamine,Diethyl[4-(N,N-dimethylamino)phenyl]phosphine,Ellman Ligand
- Synonyms
- C12H20NP4-(Diethylphosphino)-N,N-dimethylbenzenamineDiethyl[4-(N,N-dimethylamino)phenyl]phosphineEllman Ligand

Ligand in Homogeneous Catalysis
This phosphine derivative functions effectively as a ligand in various transition metal-catalysed reactions. Its electronic and steric properties can be tuned for specific catalytic transformations, enhancing reaction rates and selectivities.
Organic Synthesis
Used as a building block or reagent in complex organic synthesis, 4-(Diethylphosphino)-N,N-dimethylaniline facilitates the formation of new carbon-carbon and carbon-heteroatom bonds.
Coordination Chemistry
Its ability to coordinate with metal centres makes it a useful component in the study and development of novel coordination complexes with potential applications in materials science and catalysis.
| Molecular weight | 209.27 |
|---|---|
| Empirical formula | C12H20NP |
| Assay | 97% |
| Density | 1.023 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.583(lit.) |
| Storage temperature | 2-8°C |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Flash point | >110 °C / >230 °F |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
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 4-(Diethylphosphino)-N,N-dimethylaniline used for?
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This compound is primarily used as a ligand in homogeneous catalysis and as a reagent in organic synthesis and coordination chemistry.
What is the CAS number and molecular formula for 4-(Diethylphosphino)-N,N-dimethylaniline?
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The CAS number is 17005-57-1 and the molecular formula is C12H20NP.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-(Diethylphosphino)-N,N-dimethylaniline with an assay of 97%. This product is not represented as USP, BP, EP, or pharmacopoeia grade.
What are the primary safety hazards associated with this chemical?
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This compound is classified with the GHS07 symbol and a Warning signal word, with hazard statements H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Handle with appropriate personal protective equipment in a well-ventilated area.
How is 4-(Diethylphosphino)-N,N-dimethylaniline packed and shipped?
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Product is packed according to industry standards for fine chemicals and can be exported globally by TSS.
How can I request a sample or quote?
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Please contact the TSS sales department via our website or direct inquiry channels to request a sample or a quotation for 4-(Diethylphosphino)-N,N-dimethylaniline.
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