product series
product name :
vitamin h (biotin)
overview
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cas no :
58-85-5
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einecs no :
200-399-3
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hs code :
2936290090
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grade standard :
ep6/usp31
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appearance :
a white crystalline powder or colourless crystals
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packaging details :
20kg/drum
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application :
feed additivies
product description
product name: biotin, d-biotin, vitamin h
cas no : 58-85-5
molecular formula： c10h16n2o3s
structural formula：
molecular weight： 244.31
packing：
in aluminium tins of 5kg each;
in drums of 10kg each;
in drums of 20kg each
characters:
a white or almost white, crystalline powder or colourless crystals, very slightly soluble in water and in alcohol, practicaly insoluble in acetone. it dissolves in dilute solutions of alkali hydroxides.
specification
| item | specification |
| appearance | a white crystalline powder or colourless crystals |
| identification | a: ir |
| b: hplc | |
| c: color reaction | |
| appearance of solution | clear and colourless |
| specific optical rotation | 89° ~ 93° |
| related substances | meets the requirements |
| heavy metals | ≤10ppm |
| loss on drying | ≤1.0% |
| sulfated ash | ≤0.1% |
| assay | 98.5% - 101.0% |
others
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