月桂基羟乙基磺酸钠
Sodium Cocoyl Isethionate
CAS: 61789-32-0
Molecular Formula: C2Na6O47S20
月桂基羟乙基磺酸钠 - Names and Identifiers
月桂基羟乙基磺酸钠 - Physico-chemical Properties
| Molecular Formula | C2Na6O47S20 |
| Molar Mass | 1555.23182 |
| Density | 1110[at 20℃] |
| Water Solubility | 102mg/L at 23℃ |
| Vapor Presure | 0.002Pa at 20℃ |
| pKa | 0.36[at 20 ℃] |
月桂基羟乙基磺酸钠 - Reference Information
| LogP | -0.41 at 20℃ |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Introduction | Sodium coconut isethionate (SCI) is a kind of mild, anionic surfactants with excellent foaming and foam stability. SCI hard water resistance is very good, its toxicity is very low, good biodegradability, mainly used in the production of personal care products, such as soap, shower gel, facial cleanser, foam wash liquid and bath liquid. |
| preparation | add 498.6g of choline chloride to the Beaker, then add 1000g of pentafluoroethanesulfonic acid Dropwise to the Beaker, stirring was maintained during the dropwise addition, and the mixture was stirred at room temperature until completely dissolved, to obtain a choline chloride-pentafluoroethanesulfonic acid eutectic solvent in this ratio. Add 950.0g of coconut acid, 500.0g of sodium Hydroxyethyl acid, and 1425.0g of choline chloride-pentafluoroethanesulfonic acid eutectic solvent to the reactor, turn on stirring, and replace with nitrogen for three times, maintain nitrogen to promote, the temperature rises to 140 ℃, reaction time 110min; After the end of the reaction, cooled to room temperature, 3990.0g of anhydrous ethanol is added to the reactor for two times to the product and raw material washing extraction, the anhydrous ethanol after the product extraction of the raw material was separated by positive pressure filtration, and the final product yield was 88.5%. |
Last Update：2024-04-09 15:16:44
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