sulfuric acid ethyl ester
Ethy Hydrogen Sulphate
CAS: 540-82-9
Molecular Formula: C2H6O4S
sulfuric acid ethyl ester - Names and Identifiers
| Name | Ethy Hydrogen Sulphate |
| Synonyms | Ethyl sulfate Sulfovinic acid Sulfethylic acid Monoethyl sulfate Ethylsulphuric acid Ethy Hydrogen Sulphate ethyl hydrogen sulfate Glimepiride Impurity 29 ethyl hydrogen sulphate Ethyl hydrogen sulphate sulfuric acid ethyl ester Sulfuric acid, monoethyl ester Sulfuric acid hydrogen ethyl ester |
| CAS | 540-82-9 |
| EINECS | 208-758-6 |
| InChI | InChI=1/C2H6O4S/c1-2-6-7(3,4)5/h2H2,1H3,(H,3,4,5) |
sulfuric acid ethyl ester - Physico-chemical Properties
| Molecular Formula | C2H6O4S |
| Molar Mass | 126.13 |
| Density | 1.458 |
| Melting Point | -32°C (estimate) |
| Boling Point | 280°C |
| Appearance | liquid (estimate) |
| pKa | -3.14±0.15(Predicted) |
| Stability | Stable. Incompatible with strong oxidizing agents, metals |
| Refractive Index | 1.4105 |
| Physical and Chemical Properties | Colorless or pale yellow oily liquid. Relative density of 0.316(17 degrees C), can be miscible with water, with strong acid. Thermal decomposition. |
sulfuric acid ethyl ester - Risk and Safety
| UN IDs | 2571 |
| Hazard Class | 8 |
| Packing Group | II |
sulfuric acid ethyl ester - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | this product is etherified with ethanol to obtain anesthetic ether; Neutralize with sodium carbonate to obtain sodium ethyl sulfate, which is used to produce ethanethiol and is an intermediate for pesticide 3911 and 1059. |
| production method | slowly add ethanol to sulfuric acid at 70 ℃ and keep warm for 24 hours to obtain bisulfate. Industrial production can be arranged into a continuous process, fuming sulfuric acid and anhydrous ethanol from the high-level tank through the flow meter flow ethyl bisulfate synthesis tank (reaction temperature 35-60 ℃, residence time 1.5h) and reaction tank (temperature 50-60 ℃, residence room 3-3.5h). The resulting ethyl bisulfate flows out continuously as an intermediate for the next process. |
Last Update：2024-04-10 22:29:15
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