ASCORBIC ACID (Vitamin C)
Molecule Formula: C6H8O6 Molecule Weight: 176.1241 CAS No.: 50-81-7
Main Features:
Vitamin C is a white monoclinic crystal or crystalline powder with melting point on 190 ºC -192 ºC, 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.
Specification: BP2011/USP33/EP 7/FCC7/CP2010
| Item |
Standard |
| Assay |
99.0%-100.5% |
| Melting point |
about 190ºC |
| pH value |
2.1-2.6 |
| Clarity of solution |
Clear |
| Color of solution |
BY7 Max. |
| Copper |
5ppm Max. |
| Heavy metals |
10ppm Max. |
| Mercury |
1mg/kg Max. |
| Lead |
2mg/kg Max. |
| Arsenic |
3ppm Max. |
| Iron |
2ppm Max. |
Packaging
The inner packaging is double plastic bags, vacuum sealed package with nitrogen; the outer package is corrugated box / cardboard drum.
Packed in 25kg/carton box, or 25kg/drum.
Storage conditions
Shade, under seal, dry, ventilation, pollution-free, not in the open air, under 30 ºC, 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.
Broad World, Global Reputation
Boqi Chemicals was founded in 1995, it is a specialized manufacturing and operating chemical enterprise which authorized and approved by MOFCOM, we have passed ISO9001: 2015 Quality Management System Certification, have got FULL REACH registration, FAMI-QS certification for partial products exported to EU. Have Got KKDIK registration for some products exported to Turkey, also have got K Reach registration for some products exported to South Korea. We have our own warehouses in the main ports of China, such as Tianjin Port, Shanghai Port and Qingdao Port.
Our company own variety of export products which are widely used in chemical, pharmaceuticals, textile printing & Dyeing, leather processing, fertilizer, water treatment, construction industry, food & Feed additives and other areas. Oxalic acid, sodium formate, calcium formate, series of humic acid, ammonium chloride, sodium thiosulfate, . Among them, Oxalic acid occupy largest export volume and export to more than 100 countries and regions in the Europe, America, Asia, Africa and other continents, winning customers praise with its superior quality, favorable price and excellent service. For over 30 years, stick to business philosophy of " integrity, diligence, fighting, innovation ", Boqi Chemicals has built long term & Stable trade relationship with more than 100 countries and regions in the world.
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