Ethyl methylphosphonic acid
Synonym(s):N-Ethyl-2-[(6-methoxy-3-pyridinyl)[(2-methylphenyl)sulfonyl]amino]-N-(3-pyridinylmethyl)-acetamide
- CAS NO.：1832-53-7
- Empirical Formula: C3H9O3P
- Molecular Weight: 124.08
- MDL number: MFCD00192159
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-09-12 18:54:07
What is Ethyl methylphosphonic acid?
The Uses of Ethyl methylphosphonic acid
EMPA is a novel high-affinity, selective antagonist for the OX2 receptor.
Properties of Ethyl methylphosphonic acid
| Boiling point: | 106-107 °C |
| Density | 1.172 g/mL at 25 °C(lit.) |
| refractive index | n |
| Flash point: | >230 °F |
| storage temp. | -20°C |
| solubility | Chloroform (Slightly), Methanol (Slightly) |
| pka | 2.31±0.10(Predicted) |
| form | Oil |
| color | Colourless |
| Merck | 13,3595 |
| Stability: | Moisture Sensitive |
Safety information for Ethyl methylphosphonic acid
| Signal word | Danger |
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06 |
| GHS Hazard Statements |
H301:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for Ethyl methylphosphonic acid
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