Sodium Lauryl Sulphate
INCI Name: Sodium Lauryl Sulphate
CAS : 151-21-3
Applications
Pharmaceutical & Cosmetic
- Shampoos
- Toothpastes,
- Shaving Foams
- Shower Gels
- Bubble baths
- Laundry detergents
- Dishwasher detergents
- Car wash soaps and widely used in Cleaning products.
- Widely used as a Surfactant in Cosmetics
- Cleaning products, and helps in creating rich lather & foaming. Used as an Emulsifier in Cosmetics
- Pharma uses : Acts as Emulsifying agent, modified-release agent, solubilizing agent, Tablet & Capsule lubricant.
Specifications
| Sr. No | Tests | Specification |
|---|---|---|
| 1 | Description | A white or pale yellow powder or crystals. |
| 2 | Solubility | Freely Soluble in water; forming an opalescent solution; partly soluble in ethanol (95%). |
| 3 | Identification : A. | Produces plenty of foam. |
| Identification : B. | Dichloromethane layer is intensely blue. | |
| Identification : C. | A white, crystalline precipitate is produced. | |
| Identification : D. | No precipitate is formed. | |
| 4 | Alkalinity | Not more than 0.5 ml of 0.1 M Hydrochloric acid is required to change the color of the solution |
| 5 | Non-esterified alcohols | NMT 4.0 % |
| 6 | Sodium Chloride and Sodium Sulphate | NMT 8.0 % |
| 7 | Assay | NLT 85.0 % (Calculated as C12H25NaO4S) |
| Sr. No | Tests | Specification |
|---|---|---|
| 1 | Description | A white or pale yellow powder or crystals |
| 2 | Solubility | Freely soluble in water giving an opalescent solution, partly soluble in ethanol (96 per cent). |
| 3 | Identification : A. | A Copious foam is formed |
| Identification : B. | An intense Blue color develops in the methylene chloride layer | |
| Identification : C. | A white, crystalline precipitate is formed. | |
| Identification : D. | A white precipitate is produced | |
| 4 | Alkalinity | Not more than 0.5 ml of 0.1 M Hydrochloric acid is required to change the color of the solution. |
| 5 | Non-esterified alcohols | NMT 4.0 % |
| 6 | Sodium Chloride and Sodium Sulphate | NMT 8.0 %. |
| 7 | Assay | NLT 85.0 % (Calculated as C12H25NaO4S) |
| Sr. No | Tests | Specification |
|---|---|---|
| 1 | Description | Small, white or light yellow crystals having a slight, characteristic odour. |
| 2 | Solubility | Freely soluble in water, forming an opalescent solution. |
| 3 | Identification : A. | IR Identification. |
| Identification : B. | A white, crystalline precipitate is produced. | |
| Identification : C. | A white precipitate is produced. | |
| Identification : D. | Copious foam is formed. | |
| Identification : E. | Blue color develops in methylene chloride layer | |
| 4 | Alkalinity | Not more than 0.5 ml of 0.1 N Hydrochloric acid is required to change the color of the solution. |
| 5 | Total Alcohols | NLT 59 % |
| 6 | Unsulfated Alcohols | NMT 4.0 % |
| 7 | Sodium Chloride and Sodium Sulphate | NMT 8.0 %. |
| 8 | Assay | NLT 85.0 % (Calculated as C12H25NaO4S) |
| Sr. No | Tests | Specification |
|---|---|---|
| 1 | Description | Appearance: white or pale yellow, powder or crystals. |
| 2 | Solubility | freely soluble in water giving an opalescent solution, partly soluble in ethanol (96 per cent). |
| 3 | Identification : A. | Copious foam is formed. |
| Identification : B. | An intense blue colour develops in the methylene chloride layer. | |
| Identification : C. | A white, crystalline precipitate is formed. | |
| Identification : D. | The residue gives reaction of sodium | |
| 4 | Alkalinity | Not more than 0.5 ml of 0.1 M Hydrochloric acid is required to change the color of the solution. |
| 5 | Non-esterified alcohols | NMT 4.0 % |
| 6 | Sodium Chloride and Sodium Sulphate | NMT 8.0 % |
| 7 | Assay | NLT 85.0 % (Calculated as C12H25NaO4S) |