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Cholesterol
Introduction of cholesterol: cholesterol are extracted from lanolin and mainly used for synthesis of vitamin D3 and liquid crystal products, as well as shrimp feed additivesCAS No.:57-88-5Molecular Formula: C27H46OMolecular Weight: 386.65.
We are the export agent of Taizhou Changsheng Chemical Co.Ltd for this products.
| Items | Specifications | Results | ||
| Solubility in alcohol | Clear and no deposit | Complies | ||
| IdentificationA | The chloroform acquires a blood-red color and the sulfuric acid shows a green fluorescence. | Complies | ||
| IdentificationB | A pink color is produced, and it rapidly changes to red, then to blue, and finally to a brilliant green. | Complies | ||
| Melting range | 147°Cto150°C | 148.2°C | ||
| Specific rotation | minus34°~minus38° | minus36.55° | ||
| Acidity | ≤0.3ml | 0.14ml | ||
| Loss on drying | ≤0.3% | 0.26% | ||
| Residue on ignition | ≤0.1% | 0.07% | ||
Vitamin D2, also known as ergocalciferol has the physiological function to promote intestinal calcium absorption, regulate calcium and phosphorus metabolism and induce bone calcium and phosphorus calm, as well as promote bone growth and prevent rickets.
Cholesterol