Diethyl phosphite, 98%
Buy Diethyl phosphite, 98% (CAS 762-04-9) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Part of our Other Organic Building Blocks range.
About Diethyl phosphite, 98%
Diethyl phosphite, 98% sits in our other Organic Building Blocks section and ships worldwide from stock or short lead time. For your records (98%), the material is defined by CAS 762-04-9, formula C4H10O3P+ and molar mass 137.09 g/mol. Expect colourless to light yellow liquid.
Common uses in the lab and plant
- Catalysis
- Organic synthesis
Safe handling
Reported physical data: density 1.072 g/mL at 25 °C. It carries the GHS signal word Danger (H315, H317, H318 and H319), so wear gloves and eye protection and work with good ventilation.
Available as 250 g and 1 kg. Larger or split packs can be arranged. Every shipment includes a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
Typical uses
- Catalysis
- Organic synthesis
Applications
Specifications and identifiers
| Product name | Diethyl phosphite, 98% |
|---|---|
| Catalogue number | ZX-010483 |
| CAS number | 762-04-9 |
| IUPAC name | diethoxy(oxo)phosphanium |
| Molecular formula | C4H10O3P+ |
| Molar mass | 137.09 g/mol |
| Exact mass | 137.0368 |
| Purity / assay | 98% |
| Physical form | Liquid |
| Appearance | Colourless to light yellow liquid |
| Density | 1.072 g/mL at 25 °C |
| XLogP3 | 0.7 |
| H-bond donors / acceptors | 0 / 3 |
| Topological polar surface area | 35.5 Ų |
| HS code | 29333990 |
| InChIKey | LXCYSACZTOKNNS-UHFFFAOYSA-N |
| SMILES | CCO[P+](=O)OCC |
| PubChem CID | 6327654 |
| Synonyms | Diethyl phosphonate, Diethoxyphosphine oxide, Phosphonic acid diethyl ester, Phosphonic acid, diethyl ester, Diethyl acid phosphite, Hydrogen diethyl phosphite, O,O-Diethyl phosphonate, Phosphorous acid, diethyl ester, Ethyl phosphonate ((EtO)2HPO), O,ODiethyl phosphonate, Diethyl hydrogen phosphite, Diethylphosphonate |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Danger
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- H318Causes serious eye damage
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements P261, P264, P264 + P265, P271, P272, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P305 + P354 + P338, P317, P319, P321, P332 + P317, P333 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 250 g | Quoted on request | |
| 1 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Diethyl phosphite, 98%
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