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.

Quality standard： BP2011/USP33/EP 7/FCC7/CP2010 

 Packing： 25kg/carton box, 25kg/drum ，the inner packaging is double plastic bags, vacuum sealed package with nitrogen; the outer package is corrugated box / cardboard 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.