Chloro(tert-butyl)phenylphosphine
Chloro(tert-butyl)phenylphosphine (CAS: 29949-69-7; Formula: C10H14ClP; Molar Mass: 200.64) is an organophosphorus compound supplied by Tech Serve Solutions. It serves as a valuable precursor and reagent in various chemical synthesis applications, particularly within catalysis and inorganic chemistry. This compound's specific reactivity makes it a useful building block for more complex molecules.
- IUPAC
- (1,1-Dimethylethyl)phenylphosphinous chloride,Chloro(phenyl)-tert-butylphosphine,tert-Butyl(phenyl)phosphinous chloride,tert-Butylchloro(phenyl)phosphine,tert-Butylphenylchlorophosphine,tert-butylphenylchlorophosphine
- Synonyms
- tert-Butyl(phenyl)phosphinous chloride(1,1-Dimethylethyl)phenylphosphinous chloridetert-Butylphenylchlorophosphinetert-Butylchloro(phenyl)phosphinetert-Butyl(phenyl)phosphinothioic acid chloride

Catalysis and Ligand Synthesis
This phosphine derivative can be employed in the synthesis of specialised ligands for homogeneous catalysis. Its structure allows for tuning of electronic and steric properties in metal complexes.
Chemical Synthesis Intermediate
It acts as an intermediate in the preparation of other organophosphorus compounds. Its reactivity enables further functionalization for diverse synthetic targets.
Phosphorus Precursor
The compound serves as a source of phosphorus in the construction of novel organophosphorus materials and molecules. Its incorporation can impart unique properties to the final product.
| Molecular weight | 200.64 |
|---|---|
| Empirical formula | C10H14ClP |
| Boiling point | 77-78 °C/0.4 mmHg |
| Density | 1.064 g/mL at 25 °C |
| Refractive index | n20/D 1.555 |


Hazard statements
- H226Flammable liquid and vapour
- 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 | 32 °C / 89.6 °F |
| Transport (UN / ADR) | UN 2920 3(8) / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 10-14-34 |
| 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
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 Chloro(tert-butyl)phenylphosphine used for?
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Chloro(tert-butyl)phenylphosphine is used as an intermediate in chemical synthesis, particularly in catalysis and inorganic chemistry, and as a phosphorus precursor for creating organophosphorus compounds.
What are the CAS number and formula for Chloro(tert-butyl)phenylphosphine?
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The CAS number is 29949-69-7, and the molecular formula is C10H14ClP.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Chloro(tert-butyl)phenylphosphine in a technical/research grade. We do not represent this product as USP, BP, EP, or pharmacopoeia grade.
What are the safety and handling considerations for Chloro(tert-butyl)phenylphosphine?
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This compound is a Danger hazard (GHS02, GHS05), flammable, and reacts violently with water (H226-H314). Appropriate personal protective equipment including a faceshield, respirator, gloves, and goggles is essential. Handle in a well-ventilated area, away from ignition sources and water.
How is Chloro(tert-butyl)phenylphosphine shipped and exported?
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Chloro(tert-butyl)phenylphosphine is classified under UN 2920, Hazard Class 3(8), Packing Group II. TSS exports this chemical adhering to all relevant international shipping regulations.
How can I request a sample or quote for Chloro(tert-butyl)phenylphosphine?
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To request a sample or quote, please contact our sales team through the website or by phone, providing the product name and CAS number.
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