Test | Specification...BP |
Characters | It occurs as a white, very fine, light powder, greasy to touch |
Identification
Test A Test B Test C Test D |
(a)Freezing point: Minimum 530C (b)Acid Value: 195 to 210 (c)Specified test (d) Specified Test. A white crystalline precipitate is formed |
Solubility | Practically insoluble in water and in anhydrous ethanol |
Acidity or alkalinity | Specified test |
Chlorides | Not more than 0.1% |
Sulfates | Not more than 1.0% |
Cadmium | Not more than 3 ppm |
Lead | Not more than 10 ppm |
Nickel | Not more than 5ppm |
Loss on drying | Not more than 6.0% |
Assay:
(a) Stearic Acid in Fatty acid fraction (b)Magnesium (c)Stearic acid + palmitic acid |
(a)Not less than 40.0% (b)Not less than 4.0% and not more than 5.0% (dried substances) (c)Not less than 90% |
Test | Specification...IP |
Appearance | A very fine, light, white powder; odorless or with a very faint odor of stearic acid; unctuous and free from grittiness. |
Solubility | Practically insoluble in water and in ethanol |
Appearance of the solution | The solution is not more colored than the reference solution |
Appearance of solution of fatty acids | The solution is clear and not more intensely colored than the reference solution. |
Acidity or alkalinity | Passes test |
Acid value of fatty acids | 195 to 210 |
Free stearic acid | Not more than 3% |
Zinc stearate | Passes test |
Heavy metals | Maximum 20ppm |
Chlorides | Maximum 250ppm |
Sulphates | Maximum 0.6% |
Loss on drying | Maximum 6% |
Assay | Not less than 3.8% and not more than 5% of Mg |
Test | Specification...USP |
Characters | It occurs as a very fine, light, white powder, slippery to touch |
Identification
Test(A) Test (B) |
(A)The solution responds to the test for magnesium (B) Specified test |
Solubility | It is insoluble in water, in alcohol, and in ether. |
Acidity or alkalinity | Specified Test |
Loss on drying | Not more than 6.0% |
Specific surface area | Specified Test |
Chloride | Not more than 0.1% |
Sulfate | Not more than 1.0% |
Limit of Cadmium | Not more than 3 ppm |
Limit of Lead | Not more than 10 ppm |
Limit of Nickel | Not more than 5 ppm |
Relative content of stearic acid and palmitic acid | Specified Test |
Residual solvents | Meets the requirements |
Assay | Not less than 4.0% and not more than 5.0% of on dried basis |
Shelf life, Storage and Packing
It should be stored in a segregated area in a cool and ventilated place away from combustible materials. Keep in a tightly closed container, sealed until ready for use. It is packed in 25kg or 50kg HDPE bags or drums as required.
Other
GLP, cGMP (FDA) Approved, ISO 9001, ISO 14001, ISO 45001, ISO 17025, ISO 22000, FSSC 22000, FSSAI, Halal and Kosher certified.
We observe WHO Good manufacturing practice and Good laboratory practice.