Ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
- CAS NO.：24683-26-9
- Empirical Formula: C12H13NO5S
- Molecular Weight: 283.3
- MDL number: MFCD00190168
- EINECS: 246-403-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 00:35:56
What is Ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide?
Chemical properties
White to Off-White Solid
The Uses of Ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
Piroxicam impurity K. Also an impurity found in meloxicam (M216100).
What are the applications of Application
A Piroxicam impurity K
Hazard
Low toxicity by ingestion and inhalation.
Properties of Ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
| Melting point: | 140-144 °C (lit.) |
| Boiling point: | 448.1±55.0 °C(Predicted) |
| Density | 1.458±0.06 g/cm3(Predicted) |
| storage temp. | 2-8°C |
| solubility | Dichloromethane (Slightly), DMSO (Slightly), Methanol (Slightly) |
| pka | 4.50±1.00(Predicted) |
| form | neat |
| CAS DataBase Reference | 24683-26-9(CAS DataBase Reference) |
Safety information for Ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
| Signal word | Danger |
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06 |
| GHS Hazard Statements |
H331:Acute toxicity,inhalation |
Computed Descriptors for Ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
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