A versatile anionic surfactant and pharmaceutic aid. ComWin offers various grades of Docusate Sodium suitable for use as an active ingredient or an emulsifying/wetting excipient.
Docusate Sodium CAS 577-11-7 acts as a stool softener by lowering the surface tension of fluids. Beyond its therapeutic role, it is widely valued in the industry as a high-efficiency wetting agent and emulsifier in drug processing.
| Chemical Name | Docusate sodium |
| CAS Number | 577-11-7 |
| Molecular Formula | C20H37NaO7S |
| Molecular Weight | 444.56 |
| Molecular Structure | ![]() |
| Packing | 25KG/Drum |
| Shelf-life | Three years |
| Storage Condition | Preserved in well-closed container. |
| Application | Sodium docusate is primarily used to treat constipation. |
| Specification | ||
| Test Items | Acceptance criteria | |
| Character | Appearance | White or almost white, waxy masses or flakes, hygroscopic. |
| Solubility | Sparingly soluble in water, freely soluble in ethanol (96 per cent) and in methylene chloride. | |
| Identification | IR | Comparison Reference Standard |
| Sodium | Positive reaction | |
| Test | Sodium sulfate | Not more than 2% |
| Chlorides | Not more than 350 ppm. | |
| Water | Not more than 3.0% | |
| Alkalinity | Not more than 0.2 mL of 0.1 M hydrochloric acid is required to change the colour of the indicator to red. | |
| Residual solvents | Methanol: not more than 0.3% | |
| Isopropanol: Not more than 0.5% | ||
| 2-Ethyl-1-hexanol: Not more than 0.5% | ||
| Dichloromethane: Not more than 0.06% | ||
| Related non-ionic substances | Any impurity, for each Not more than 0.4% | |
| Assay | 98.0 ~ 101.0% on the anhydrous basis | |
* The above information is believed to be correct but does not purport to be all inclusive and shall be used only as a guide. The users are suggested to select the suitability of the products and methods of application.
Active ingredient for stool softener formulations.
Used as a wetting agent, dissolution improver, or emulsifier in complex oral dosage forms.
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