Brand:HONGDA
Quantity:5000
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Product description:Vitamin H (D-Biotin 2%)Feed Grade: It is a kind of water-soluble Vitamin, acts as a coenzyme during the metabolism of protein, fats, and carbohydrates, maintaining healthy skin and hair, and as necessary material for growth, digestion, and muscle function.
specification of vitamin H (d-biotin 2%)feed grade:
appearance-------------------white or whitish crystal powder or colorless crystal
cas no-------------------------58-85-5
molecular weight---------------244.31
chemical formula---------------c10h16n2o3s
purity-----------------------------99.0% min
assay (hplc)----------------------2.0% min
loss on drying-------------------1.0% max
heavy metals--------------------10ppm max
particle size---------------------90% pass through sieve no. 100
sulfated ash---------------------0.1% max
specific optical rotation-------+89°- +93°
