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 Trade Leads: |
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| [SELL] D-Panthenyl alcohol [2007-10-25] |
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Product name: D-Panthenyl alcohol
Popular name: Provitamin B5
Chenical Name: D-( + )-2,4-Dihydroxy-N-(3-hydroxypropyl)-3,3-dimethyIbutyramide
CAS: 81-13-0
Molecular formula: C9H19NO4
Formula weigh: 205 25
Structure formula:
Propertyties: D-Panthenol is colourless, viscous clear liquid, It is soluble in water, methanol, propylene glycol and ethanol， insoluble in fats and oils.
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It em |
Index |
| Identification |
Positive reaction |
| Assay |
98.0%-102.0% |
| Specific rotation(50mg/50ml water) |
+29.0-+31.5 |
| Refractive Index(20癈) |
1.495-1.502 |
| water(Karl fisher) |
≤1.0% |
| Residue on ignition |
≤0.1% |
| Heavy metal |
≤20pmm |
| Limit of aminopropanol |
≤0.1% |
Uses: D-Panthenol plays a key role in the human intermediary metabolism. Deficiency of Vitamin B5 can result in many dermatological disorders. D-Panthenol is applied in pharmaceutical industry and almost all types of cosmetic preparations. It cares hair, skin and nails.
Package: 20kgs/Carton (10kgs/Pail); 200kgs/Drum; 1000kgs/IBC
Storage: Seal, keep in cool and dry place
Period of validity: 2 years
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| [SELL] deccox [2007-10-25] |
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| [SELL] Vitamin B2 [2008-03-25] |
Yellow or orange-yellow, crystalline powder. Very slightly soluble in water, practically insoluble in alcohol. Solutions deteriorate on exposure to light, especially in the presence of alkali.
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| [SELL] Febantel [2008-03-25] |
【Properties】white to pale yellow or a little pink unformed powder.
【Applicable parasite】ascarid,hookworm,whiupworm, cestode,giardia and so on.
Item | Index | solubleness | 1g sample dissolve in 10ml formic acid | authentication | Compare the infrared absorption spectrum with standard spectrogram, if the wavelength is the same ,then show the maximum. | loss on drying | Do not surpass1.0%（85℃，3hrs） | range of melting point | 127-132℃ | sulfate ash content | Do not surpass0.5%。 | heavy metal | Do not surpass20ppm。 | chromatographically purity | Do not lower than 98.0%，several impurities do not higher than 1.0%，the impurity total weight do not higher than 2.0%。 | content | count on dry goods，is 98-102%(HPLC or analysis by titration)。 |
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