Benzyl diethyl phosphite
Benzyl diethyl phosphite (CAS: 2768-31-2, Formula: C₆H₅CH₂OP(OC₂H₅)₂) is an organic phosphorus compound with a molecular weight of 228.22 g/mol. This chemical serves as a versatile building block in organic synthesis. It is commonly employed in the preparation of various organophosphorus compounds and finds applications in chemical research and development, particularly within the field of organic chemistry.

Organic Synthesis Intermediate
Benzyl diethyl phosphite acts as a key intermediate in the synthesis of complex organic molecules. Its reactive phosphite ester group allows for various transformations in synthetic routes.
Phosphorus Compound Precursor
It is utilised as a precursor for introducing phosphorus moieties into organic structures. This is valuable in the development of novel phosphorus-containing materials and compounds.
Chemical Research and Development
This compound is a valuable reagent for academic and industrial research laboratories exploring new synthetic methodologies and chemical entities.
| Molecular weight | 228.22 |
|---|---|
| Linear formula | C6H5CH2OP(OC2H5)2 |
| Boiling point | 110 °C/2 mmHg(lit.) |
| Density | 1.076 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.493(lit.) |

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
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-37/39 |
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 Benzyl diethyl phosphite used for?
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Benzyl diethyl phosphite is primarily used as a building block in organic synthesis and as a precursor for other phosphorus compounds in chemical research and development.
What are the CAS number and formula for Benzyl diethyl phosphite?
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The CAS number for Benzyl diethyl phosphite is 2768-31-2, and its formula is C₆H₅CH₂OP(OC₂H₅)₂.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Benzyl diethyl phosphite according to the specifications listed on the product page. We do not represent this product as USP, BP, or EP grade unless explicitly stated in the specifications.
How should Benzyl diethyl phosphite be handled safely?
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Benzyl diethyl phosphite is a Warning substance that causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Always use appropriate personal protective equipment, including eyeshields and gloves, and ensure adequate ventilation. Consult the Safety Data Sheet for detailed handling procedures.
How is Benzyl diethyl phosphite packed and shipped?
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Tech Serve Solutions carefully packs and exports Benzyl diethyl phosphite in compliance with all relevant shipping regulations to ensure safe and secure delivery worldwide.
How can I request a sample or quote for Benzyl diethyl phosphite?
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To request a sample or a quote for Benzyl diethyl phosphite, please contact our sales team through the website or via the provided contact details.
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