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Qingdao Fraken International Trading Co., Ltd.
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Cholesterol
appearance: white powder
cas no:57-88-5
assay:90%max
standard:USP32
Cholesterol | ||
| Identification | ||
| Name | Cholesterol | |
| Synonyms | Cholest-5-en-3beta-ol; 3beta-hydroxycholest-5-ene; 3beta-hydroxy-5-cholestene | |
| Molecular Structure | ||
| Molecular Formula | C27H46O | |
| Molecular Weight | 386.66 | |
| CAS Registry Number | 57-88-5 | |
| EINECS | 200-353-2 | |
| Properties | ||
| Density | 1.06 | |
| Melting point | 147-150 ºC | |
| Boiling point | 360 ºC | |
| Flash point | 250 ºC | |
| content | 99% | |
| Water solubility | negligible | |
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% |
Storage:
kept in a light-proof,well-colsed,dry and cool place
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To get more information, just feel free to contact with us. Thanks.
Mr. Liu
Qingdao fraken international trading co., ltd
Address: RM1005 post mansion yan’an three road ,qingdao ,China
Tel: 0086 532 83899718
Fax: 0086 532 83623236
Web: http://fraken.en.alibaba.com