硫酸乙酯 钠盐
Sodium Ethyl Sulfate
CAS: 546-74-7
Molecular Formula: C2H5NaO4S
硫酸乙酯 钠盐 - Names and Identifiers
硫酸乙酯 钠盐 - Physico-chemical Properties
| Molecular Formula | C2H5NaO4S |
| Molar Mass | 148.11 |
| Melting Point | 170-172°C |
| Flash Point | 9℃ |
| Water Solubility | almost transparency |
| Solubility | Methanol (Slightly), Water (Slightly) |
| Appearance | powder or crystals |
| Color | White to Off-White |
| Merck | 14,8540 |
| Storage Condition | Room Temprature |
| Stability | Hygroscopic |
| Use | Application sodium ethyl sulfide is a kind of sulfuric acid alkyl Ester salt, sulfuric acid alkyl Ester salt can be used as detergent, wetting agent, foaming agent and emulsifier, commonly used in industrial cleaning agent, household detergent, also used in cosmetics, textile, metal processing, printing and dyeing and other industries. |
硫酸乙酯 钠盐 - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R39/23/24/25 - R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. R11 - Highly Flammable R36 - Irritating to the eyes R22 - Harmful if swallowed |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37 - Wear suitable protective clothing and gloves. S16 - Keep away from sources of ignition. S7 - Keep container tightly closed. |
| UN IDs | UN1230 - class 3 - PG 2 - Methanol, solution |
| WGK Germany | 1 |
硫酸乙酯 钠盐 - Upstream Downstream Industry
| Downstream Products | 1,4-DIETHYLPIPERAZINE |
硫酸乙酯 钠盐 - Nature
| EPA chemical substance information | Sulfuric acid, monoethyl ester, sodium salt (546-74-7) |
Last Update：2024-04-10 22:29:15
硫酸乙酯 钠盐 - Uses and methods of synthesis
preparation
weigh 0.1mol of sodium monomethyl carbonate and combine it with 400g of methanol as a solution; Weigh 0.11mol of diethyl sulfate and add it to the solution, the reaction mixture was maintained at 30 ° C. To 120 ° C. Under a pressure of 0 to 2MPa for 18 hours, and specifically, 100 ° C. And 1MPa for 18 hours. The reaction was completed to obtain a methanol solution of sodium ethyl sulfate. The reaction-completed solution is heated at a reduced pressure of less than 6.0kPa and at 50 ° C., after the methanol is distilled and separated, the temperature is increased from 50 ° C. To 100 ° C., and heated for 1 hour, the monomethyl carbonate, dimethyl carbonate, ethyl methyl carbonate, methanol, carbon dioxide and the like are distilled, wherein methanol and carbon dioxide are generated by thermal decomposition of monomethyl carbonate in very small amounts. After the distillation separation was completed, the monohydrocarbyl sulfate ester salt of this example, I .e., sodium ethyl sulfate, was obtained. After detection, the yield was 99.5%, the water content was 0.08%, the pH value of 1:100 aqueous solution was 6.8, the main content of cation chromatography was 99.3%, and the main content of anion chromatography was 99.5%.
production method
ethyl sulfuric acid is formed by reacting with anhydrous ethanol and fuming sulfuric acid at 35 to 36 ° C. Under normal pressure, and then neutralized with sodium carbonate solution (or sodium hydroxide), and sodium sulfate is filtered off to obtain ethyl sodium sulfate.
Last Update：2024-04-10 22:29:15
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