Steric Acid
INCI Name: Stearic Acid
CAS : 57-11-4
Applications
Pharmaceutical, Cosmetic & Coating
- Ointment
- Cream
- Skin Care
- hair care Surface Cleansing
- Lubrication
- Moisturize Cream, etc.
- Helps objects retain their shape
- like in Soap bars
- Candles
- Oil pastels & Hard Candies
- Used in Soaps
- Shampoos
- Baby lotions
- Sunscreen
- Shaving creams
- Detergents
- Pharma uses: Acts as an Emulsifying & Solubilizing agent, Tablet & Capsule Lubricant.
Specifications
| Sr. No | Tests | Specification |
|---|---|---|
| 1 | Description | White or almost white, flakes or powder. |
| 2 | Solubility | Soluble in chloroform, in ethanol and in ether, practically insoluble in water. |
| 3 | Identification | Assay chromatogram by GC |
| 4 | Congealing temperature | NLT 54ËšC |
| 5 | Acid value | 200 to 212 |
| 6 | Iodine value | NMT 4.0 |
| 7 | Mineral acid | No red colour is produced. |
| 8 | Heavy metals | NMT 20 ppm |
| 9 | Sulphated ash | NMT 0.1% |
| 10 | Assay : Stearic Acid | NLT 40 % |
| Assay : Stearic Acid And Palmitic Acid | NLT 90 % |
| Sr. No | Tests | Specification |
|---|---|---|
| 1 | Description | White or almost white, flakes or powder |
| 2 | Solubility | Practically insoluble in water, soluble in ethanol and in light petroleum |
| 3 | Appearance | The resulting liquid is not more intensely coloured than reference solution Y7 or BY7 |
| 4 | Identification : A. Freezing point | Comply as per freezing point. |
| Identification : B. Acid value | 194 to 212 | |
| Identification : C. Assay | By chromatogram | |
| 5 | Acidity | To the filtrate add 0.05 ml of methyl orange solution R. No red colour develops |
| 6 | Iodine value | NMT 4.0 |
| 7 | Freezing point | 53 to 59 °C |
| 8 | Assay : Stearic Acid | Stearic Acid |
| Assay : Stearic Acid And Palmitic Acid | NLT 90 % |
| Sr. No | Tests | Specification |
|---|---|---|
| 1 | Description | White or almost white, flakes or powder. |
| 2 | Solubility | Practically insoluble in water, soluble in ethanol and in light petroleum. |
| 3 | Identification : A. Freezing Point | Comply as per freezing point. |
| Identification : B. Acid value | 194 to 212 | |
| Identification : C. Assay | By chromatogram | |
| 4 | Acidity | To the filtrate add 0.05 ml of methyl orange solution R. No red colour develops. |
| 5 | Iodine value | NMT 4.0 |
| 6 | Freezing point | 53 – 59 °C |
| 7 | Colour of Solution | The resulting liquid is not more intensely colored than standard solution BY. |
| 8 | Residue on ignition | NMT 4 mg |
| 9 | Assay : Stearic Acid | NLT 40 % |
| Assay : Stearic Acid And Palmitic Acid | NLT 90 % |
| Sr. No | Tests | Specification |
|---|---|---|
| 1 | Description | White or almost white, flakes or powder. |
| 2 | Solubility | White or almost white, flakes or powder. |
| 3 | Appearance | The resulting liquid is not more intensely coloured than reference solution Y7 or BY7 |
| 4 | Identification : A. Freezing point | Comply as per freezing point |
| Identification : B. Acid value | 194 to 212 | |
| Identification : C. Assay | By chromatogram | |
| 5 | Acidity | To the filtrate add 0.05 ml of methyl orange solution R. No red colour develops. |
| 6 | Iodine value | NMT 4.0 |
| 7 | Freezing point | 53 to 59 °C |
| 8 | Assay : Stearic Acid | No precipitate is produced |
| Assay : Stearic Acid And Palmitic Acid | NLT 90 % |