[Name] Vitamin C (L-ascorbic acid)
[Quality standard] BP2011/USP33/EP 7/FCC7/CP2010
[Main Features] Vitamin C is a white monoclinic crystal or crystalline powder with melting point on 190 ℃ -192 ℃, no smell, sour, yellowish color after long time standing. The product is easily soluble in water, slightly soluble in ethanol, insoluble in ether, chloroform. The aqueous solution is acidic. 5% (W / V) aqueous solution PH2.1-2.6 (W / V), the rotation of aqueous solution is +20.5 ° ~ +21.5.
[Packaging] The inner packaging is double plastic bags, vacuum sealed package with nitrogen; the outer package is corrugated box / cardboard drum
[Packing] 25kg/carton box,25kg/drum
[Shelf life] Three years from the date of manufacture in the provision of storage and packaging conditions
[Storage conditions] Shade, under seal, dry, ventilation, pollution-free, not in the open air, under 30 ℃, relative humidity ≤ 75%. Can not be stored with toxic, corrosive, volatile or stink items.
[Transportation] Handle with care in transportation, sun and rain prevention, cannot be mixed, transported and stored with toxic, corrosive, volatile or stink items.
Folic Acid
Commodity Name: Folic Acid
Other Name：Vitamin B9
Chemical Name: N-4-[(2-amido-4-oxo-1,4-dihydro-6-terene) methylamino] benzoyl-L-glutamic acid
CAS: 59-30-3
M.F.: C19H19N7O6
M.W.: 441.40
Structure Fromula:
Properties: yellow or orange crystalline powder, no smell and no odor. Do not solvable in water and ethanol, easy to dissolve in sodium hydroxide or sodium carbonate's dilute solutions.
Item index:
|
content(%) |
95.0～102.0 |
|
Water(%) |
≤8.5% |
|
residue on ignition(%) |
≤0.5% |
Uses: feed additive, food additive, pharmaceutical USP28/BP2003
Packing: 10kg/Carton,20kg/drum,25kg/drum,10kg/drum.
Storage: store in dry,cool and shady place.
Period of validity: 3 years, use it as quickly as possible after unseal
