Di-1-adamantylphosphine
Di-1-adamantylphosphine (CAS: 131211-27-3), with the molecular formula C20H31P and a molecular weight of 302.43 g/mol, is a phosphine compound. It is recognised for its utility as a bulky ligand in catalysis and its role in chemical synthesis. This compound is supplied by Tech Serve Solutions with an assay of 97%.
- IUPAC
- Bis(adamant-1-yl)phosphine,Bis(tricyclo[3.3.1.13,7]dec-1-yl)phosphine

Catalysis
Di-1-adamantylphosphine serves as a bulky phosphine ligand in various catalytic transformations. Its steric properties can influence the selectivity and activity of metal catalysts in organic reactions.
Chemical Synthesis
This compound is employed as a building block or reagent in complex organic syntheses. Its unique structure can be leveraged to introduce specific functionalities or steric bulk.
Ligand Development
The adamantyl groups offer significant steric hindrance, making Di-1-adamantylphosphine valuable in the development of specialised ligands for homogeneous catalysis.
| Molecular weight | 302.43 |
|---|---|
| Empirical formula | C20H31P |
| Assay | 97% |
| Melting point | 181-185 °C |

Hazard statements
- H301Toxic if swallowed
- H311Toxic in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H331Toxic if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
- P311Call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 23/24/25-36/37/38 |
| Safety statements (S) | 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 Di-1-adamantylphosphine used for?
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Di-1-adamantylphosphine is primarily used as a bulky phosphine ligand in catalysis and in chemical synthesis.
What is the CAS number and formula for Di-1-adamantylphosphine?
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The CAS number is 131211-27-3 and the molecular formula is C20H31P.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Di-1-adamantylphosphine with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should Di-1-adamantylphosphine be handled safely?
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Di-1-adamantylphosphine is a Danger signal word substance, causing toxicity if swallowed, in contact with skin, or if inhaled, and causes skin and eye irritation. Appropriate personal protective equipment, including eyeshields, faceshields, gloves, and P2 respirator cartridges, must be used. Handle in a well-ventilated area.
How is Di-1-adamantylphosphine packed and shipped?
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Di-1-adamantylphosphine is shipped as UN 2811, Class 6.1, Packing Group III. Specific packaging and shipping regulations apply.
How can I request a quote or sample for Di-1-adamantylphosphine?
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Please contact our sales team via the website to request a quote or a sample of Di-1-adamantylphosphine.
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