Molekula
Diethyl phosphite
Diethyl phosphite is a colorless liquid used as a reagent in organic synthesis, particularly in the preparation of phosphorus-containing compounds. It is a versatile intermediate in the synthesis of pesticides, pharmaceuticals, and flame retardants. CAS: 762-04-9, Molecular Formula: (C2H5O)2P(O)H, Molecular Weight: 138.10 g/mol, Storage: Ambient, Signal Word: Danger. Molekula supplies Diethyl phosphite from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Diethyl phosphite is a colorless liquid used as a reagent in organic synthesis, particularly in the preparation of phosphorus-containing compounds. It is a versatile intermediate in the synthesis of pesticides, pharmaceuticals, and flame retardants. CAS: 762-04-9, Molecular Formula: (C2H5O)2P(O)H, Molecular Weight: 138.10 g/mol, Storage: Ambient, Signal Word: Danger. Molekula supplies Diethyl phosphite from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | Colorless transparent liquid |
| Identification | Conforms to reference |
| Assay | ≥99% |
| Ethanol | ≤0.8% |
| Acidity | ≤0.1% |
| Triethyl phosphate | ≤0.5% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 74 C |
| Transport Class | 9 |
| Packing Group | III |
| Shelf Life | 24 months |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| CAS Number | 762-04-9 |
| Molecular Formula | (C2H5O)2P(O)H |
| Molecular Weight | 138.10 |
| SMILES | O=P(OCC)OCC |
| EC / UN Number | 3334 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2920.22.0000 |
| Tariff Code | 2920220000 |
Safety & GHS
-
Explosive
GHS01
-
Compressed Gas
GHS04
Hazard statements
- H317 May cause an allergic skin reaction
- H318 Causes serious eye damage
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
For research and industrial use only
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Pricing & pack sizes
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is diethyl phosphite used for?
Diethyl phosphite is primarily used as a reagent in organic synthesis, particularly in the preparation of phosphorus-containing compounds and as a ligand in catalysis.
What is the chemical formula and molecular weight of diethyl phosphite?
The formula is (C2H5O)2P(O)H and the molecular weight is 138.10 g/mol.
How should diethyl phosphite be stored?
It should be stored at ambient temperature, away from moisture and incompatible materials, in a tightly sealed container.
What grade of diethyl phosphite does Molekula supply?
Molekula supplies diethyl phosphite in technical grade; custom grades are available upon request.
Can Molekula supply diethyl phosphite in bulk?
Yes, Molekula can supply diethyl phosphite in bulk quantities; please contact our sales team for pricing and availability.
What documentation comes with a purchase of diethyl phosphite?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation is available upon request.
Ready to order or need a custom pack?
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