Chlorodicyclohexylphosphine
Chlorodicyclohexylphosphine (CAS 16523-54-9), with the linear formula (C6H11)2PCl and a molecular weight of 232.73 g/mol, is a phosphorus-based chemical compound. It serves as a valuable reagent in chemical synthesis and finds applications in catalysis and inorganic chemistry. Its reactive nature necessitates careful handling, particularly its violent reaction with water.
- IUPAC
- Dicyclohexylchlorophosphine,Dicyclohexylphosphine chloride,Dicyclohexylphosphinous chloride
- Synonyms
- DicyclohexylchlorophosphineDicyclohexylphosphine chlorideDicyclohexylphosphinous chloride

Chemical Synthesis Reagent
Chlorodicyclohexylphosphine is employed as a building block and reagent in various organic synthesis pathways. Its phosphine functionality allows for diverse chemical transformations.
Catalysis
This compound can be utilized in the development and application of homogeneous catalysis. Its structure lends itself to forming ligands for transition metal catalysts.
Phosphorus Precursor
As a phosphorus-containing compound, it can serve as a precursor for the synthesis of other organophosphorus compounds with specialised properties.
Inorganic Chemistry
It finds utility in inorganic synthesis, particularly in reactions involving phosphorus chemistry and the formation of novel inorganic materials.
| Molecular weight | 232.73 |
|---|---|
| Linear formula | (C6H11)2PCl |
| Assay | 97% |
| Boiling point | 165 °C/12 mmHg(lit.) |
| Density | 1.054 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.533(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 | 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 3265 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 14-34 |
| Safety statements (S) | 26-27-36/37/39-45 |
| Supplemental hazards | Reacts violently with water. |
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 Chlorodicyclohexylphosphine used for?
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Chlorodicyclohexylphosphine is used as a reagent in chemical synthesis, particularly in catalysis and inorganic chemistry, and as a phosphorus precursor.
What is the CAS number and chemical formula for Chlorodicyclohexylphosphine?
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The CAS number is 16523-54-9 and the linear formula is (C6H11)2PCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Chlorodicyclohexylphosphine with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should Chlorodicyclohexylphosphine be handled safely?
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Chlorodicyclohexylphosphine reacts violently with water and is corrosive. Handling requires appropriate personal protective equipment, including gloves, goggles, face shields, and respiratory protection, in a well-ventilated area. Consult the Safety Data Sheet for full details.
How is Chlorodicyclohexylphosphine packed, shipped, and exported?
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Chlorodicyclohexylphosphine is packed in accordance with transport regulations for hazardous materials, including UN 3265, Class 8, Packing Group II. Tech Serve Solutions is experienced in global export.
How can I request a sample or quote for Chlorodicyclohexylphosphine?
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To request a sample or quote for Chlorodicyclohexylphosphine, please contact our sales department via the website or direct email, providing your contact details and the quantity required.
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