Molekula Triethyl phosphite
Specification & product details.
Triethyl phosphite is a colorless liquid used as a reagent in organic synthesis, particularly in the preparation of phosphorus-containing compounds and as a…
CAS number: 122-52-1
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Specifications
| Property | Value |
| Appearance | Colourless liquid |
| Impurity | ≤1.0% |
| Triethylamine | ≤0.3% |
| Triethyl phosphate | ≤0.5% |
| Triethyl phosphite | ≥99.0% |
| Diethyl phosphite | ≤0.5% |
Storage & handling
| Property | Value |
| Storage Temperature | Ambient |
| Flash Point | 54 °C |
| Transport Class | 3 |
| Packing Group | III |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
| Appearance | Colorless liquid |
| Odour | Pungent odor |
| Melting Point | -112 °C |
| Boiling Point | 157.9 °C |
| Density | 0.97 (relative, water = 1) |
| Solubility (other solvents) | Soluble in alcohol, ether |
| Vapour Pressure | 1.95 mmHg at 20 °C |
| Refractive Index | 1.4127 |
Identification
| Property | Value |
| SKU | 89968064 |
| CAS Number | 122-52-1 |
| IUPAC Name | triethyl phosphite |
| EC Number | 204-552-5 |
| Molecular Formula | C6H15O3P |
| Molecular Weight | 166.16 |
| Exact Mass | 166.0759 |
| SMILES | CCOP(OCC)OCC |
| InChIKey | BDZBKCUKTQZUTL-UHFFFAOYSA-N |
| InChI | InChI=1S/C6H15O3P/c1-4-7-10(8-5-2)9-6-3/h4-6H2,1-3H3 |
| PubChem CID | 31215 |
| UN Number | UN2323 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2920.24.0000 |
| Tariff Code | 2920240000 |
Safety & GHS
Warning
- FlammableGHS02
- Health HazardGHS07
Hazard statements
- H226Flammable liquid and vapour
- H302Harmful if swallowed
- H317May cause an allergic skin reaction
- H332Harmful if inhaled
- H412Harmful to aquatic life with long lasting effects
Precautionary statements
- P210Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P273Avoid release to the environment
- P280Wear protective gloves/protective clothing/eye protection/face protection
- P301+312IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P304+340IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
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Alternative names
(EtO)3P; Ethyl phosphite, (EtO)3P; Fosforyn trojetylowy; P(OEt)3; Phosphorous acid, triethyl ester; Phosphorus ether; Triethoxyphosphine; Triethoxyphosphine-d15; TRIS(ETHOXY)PHOSPHINE
Product documentation
Product specification PDF. Batch-specific certificates of analysis and safety data sheets are available on request.
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