Chlorodiphenylphosphine
Chlorodiphenylphosphine (CAS 1079-66-9), molecular formula (C6H5)2PCl, is a high-purity chemical supplied by Tech Serve Solutions for catalysis & inorganic applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.
- IUPAC
- P-Chlorodiphenylphosphine,ClPPh2,Diphenylphosphinous chloride,PPh2Cl

| Molecular weight | 220.63 |
|---|---|
| Linear formula | (C6H5)2PCl |
| Assay | 96% |
| Boiling point | 320 °C(lit.) |
| Density | 1.194 g/mL at 25 °C1.229 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.636(lit.) |
| Vapour density | 7.8 (vs air) |
| Application | Precursors used in the synthesis of various phosphines. |

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 | 112 °C / 233.6 °F |
| Transport (UN / ADR) | UN 3265 8 / PGII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | C |
| Risk statements (R) | 14-34 |
| Safety statements (S) | 26-36/37/39-45 |
| 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
Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS 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 Chlorodiphenylphosphine?
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Chlorodiphenylphosphine (CAS 1079-66-9), molecular formula (C6H5)2PCl, is a high-purity chemical supplied by Tech Serve Solutions for catalysis & inorganic applications, to USP, BP and EP standards.
What grades of Chlorodiphenylphosphine does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Chlorodiphenylphosphine in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.
What is the CAS number and molecular formula of Chlorodiphenylphosphine?
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Chlorodiphenylphosphine has CAS number 1079-66-9 and molecular formula (C6H5)2PCl. Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for Chlorodiphenylphosphine?
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Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.
Do you provide a Certificate of Analysis (CoA) with each shipment?
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Yes. Every batch of Chlorodiphenylphosphine ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.
How should Chlorodiphenylphosphine be stored?
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Store Chlorodiphenylphosphine in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.
What is Chlorodiphenylphosphine used for?
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Chlorodiphenylphosphine is used in catalysis & inorganic applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.
How do I request a quote for Chlorodiphenylphosphine?
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Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.
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