Product information:
SPECIFICATION OF ASCORBIC ACID (VITAMIN C)
Product Name |
Ascorbic acid |
CAS No. |
50-81-7 |
Molecular Formula |
C6H8O6 |
Molecular Weight |
176.12 |
Structural Formula |
|
Quality Standard |
BP2014/USP39/EP7/E300/FCC7 |
Packing |
25 kg/carton |
Shelf Life |
3 Years |
Items |
Specification |
Characteristics |
White or almost white,Crystalline powder or colourless crystals |
Identification |
Corresponds |
Melting Point |
189°C ~ 193°C |
PH (5%,W/V) |
2.1-2.6 |
PH (2%,W/V) |
2.4-2.8 |
Specific Optical Rotation |
+20.5° ~ +21.5° |
Apperance of Solution |
Clarity: Clear; Colour: ≤BY7 |
Heavy Metals |
≤10ppm |
Copper |
≤5 ppm |
Iron |
≤2 ppm |
Arsenic |
≤3 ppm |
Cadmium |
<1 ppm |
Lead |
<2 ppm |
Loss of Drying |
≤0.4% |
Sulphate Ash |
≤0.1% |
Oxalic Acid (Impurity E) |
≤0.2% |
Related substances |
Impurity C: ≤0.15%
Impurity D: ≤0.15%
Unspecified impurities: ≤0.10%
Total impurities: ≤0.20% |
Residual solvents |
Meets the requirements |
Assay |
99.0%-100.5% |
Precautions:
- This product must be mixed thoroughly with feed stuff before using.
Packing and Transportation
Packing: 25kg/bag 50kg/bag (a 20' container can carry about 22MT)
Company profile
Zhengzhou macate international co., LTD. Is a professional supplier of animal feed additives, animal drugs, chemical materials as well as drugs and feed equipment.
After more than 11 years of efforts, with quality products, quality service and good reputation, we have won the strong support of customers around the world.
Our company has GMP certified production line.
With the advanced inspection equipment, our products have to pass the strict inspection of the quality control department before sale.
We also provide various OEM/ODM services.
At present, our products are exported to USA, UK, Egypt, India, Bangladesh, Jordan, Hong Kong, Taiwan and so on.
Often ask questions
1. Who are we?
Our headquarter is located in Henan Province, China. Since 2007, we have been selling to Southeast Asia (40.00%), South Asia (10.00%), East Asia (10.00%), Middle East (10.00%), domestic market (5.00%), South America (5.00%), Southern Europe (5.00%), Africa (5.00%),
Western Europe (5.00%), Eastern Europe (5.00%).
We have about 101-200 people in our office.
2. How do we ensure quality?
Before mass production, always provide pre-production samples;
Perform final inspection at all times before shipment;
What can you buy from us?
Animal and poultry veterinary drugs, antibiotic injections, animal feed additives, veterinary drug injections, oral solution drugs
4. Why shouldn't you buy our products from other suppliers?
We have vaccine, animal medicine, injection, oral solution, WSP powder, disinfectant, feed additives and other products production line.
In 2006, 2011 and 2016, it successfully passed the GMP certification of the Ministry of Agriculture.
5. What services can we provide?
Accepted terms of delivery: FOB, CFR, CIF;
Acceptable currency for payment: USD, EUR;
Acceptable terms of payment: T/T, L/C, Western Union;
Languages spoken: English, Chinese