Brand:HONGDA
Quantity:5000
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Product description:Vitamin B9(Folic Acid): Folic acid supplements can be used in the treatment of disorders associated with folic acid deficiency, and may also be part of the recommended treatment for certain menstrual problems and leg ulcers; used in feed additive, food additive, pharmaceutical.
specification of vitamin b9(folic acid):
appearance--------------------a yellow or orange crystalline powder
cas no---------------------------59-30-3
molecular weight--------------441.40
chemical formula-------------c19h19n7o6
assay(on dry materials)------97.0%-102.0%
loss on drying-----------------5.0%~8.5%
water content------------------8.5% max
residue on ignition------------0.2% max
chromatographic purity------2.0% max
ultraviolet absorption---------2.8-3.0
