Molekula Trimethyl phosphite
Specification & product details.
Trimethyl phosphite (CAS 121-45-9) is a colorless liquid organophosphorus compound widely used as a reagent in organic synthesis, particularly for the…
CAS number: 121-45-9
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Specifications
| Property | Value |
| Appearance | Clear, Colourless Liquid |
| Boiling Point | 109°C to 113°C |
| Assay (GC) | ≥97.00% |
| Identification (IR) | Passes test |
| Refractive Index (n20/D) | 1.4040 to 1.4050 |
| Wt. per mi. at 20°C | 1.0510g to 1.0530g |
Storage & handling
| Property | Value |
| Storage Temperature | Ambient |
| Flash Point | 28 °C |
| Transport Class | 3 |
| Packing Group | III |
| Acidity | Base |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
| Appearance | Colorless liquid |
| Odour | Irritating, pungent, oily, pyridine-like odor |
| Melting Point | -78 °C |
| Boiling Point | 110 °C |
| Density | 1.1 (relative, water = 1) |
| Solubility (other solvents) | Very soluble in ethanol, ether |
| Vapour Pressure | 3.2 kPa at 25 °C |
| Refractive Index | 1.4095 |
Identification
| Property | Value |
| SKU | 89967933 |
| CAS Number | 121-45-9 |
| IUPAC Name | trimethyl phosphite |
| EC Number | 204-471-5 |
| Molecular Formula | C3H9O3P |
| Molecular Weight | 124.08 |
| Exact Mass | 124.0289 |
| SMILES | O(P(OC)OC)C |
| InChIKey | CYTQBVOFDCPGCX-UHFFFAOYSA-N |
| InChI | InChI=1S/C3H9O3P/c1-4-7(5-2)6-3/h1-3H3 |
| PubChem CID | 8472 |
| UN Number | UN2329 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2920.23.0000 |
| Tariff Code | 2920230000 |
Safety & GHS
Danger
- FlammableGHS02
- CorrosiveGHS05
- ToxicGHS06
- Health HazardGHS07
Hazard statements
- EUH014Reacts violently with water
- H226Flammable liquid and vapour
- H302Harmful if swallowed
- H311Toxic in contact with skin
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
Precautionary statements
- P210Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P261Avoid breathing dust/fume/gas/mist/vapours/spray
- P280Wear protective gloves/protective clothing/eye protection/face protection
- P301+312IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P302+350IF ON SKIN: Gently wash with soap and water
- 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
Fosforyn trojmetylowy; Methyl phosphite; Methyl phosphite ((MeO)3P); P(OMe)3; Phosphorous acid, trimethyl ester; Trimethoxyfosfin; Trimethoxyphosphine; Trimethyl ester of phosphorous acid; Trimethyl Ester Phosphorous Acid; NSC 6513; Trimethoxyphosphine;; Trimethylfosfit
Product documentation
Product specification PDF. Batch-specific certificates of analysis and safety data sheets are available on request.
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