Food Grade CAS50-81-7 Powder Vitamin C Ascorbic Acid
Ascorbic Acid
is a white or slightly yellow crystals or powder,a little acid.m.p.190ºC-192ºC,easily soluble
in water,a little soluble in alcohol and uneasily soluble in Ether and chlorofom and other organic solvent.In
solid state it is stable in air.Its water solution is easliy mutated when it meets with air.
Specification of ascorbic acid/vitamin c:
Analysis contents |
Analysis standard BP2010 |
Analysis results |
Appearance |
White crystalline powder |
White crystalline powder |
Identification |
Positive |
Positive |
Clarity of solution |
Clear |
Clear |
Color of solution |
≤BY7 |
< BY7 |
Assay |
99.0-100.0% |
99.9% |
Loss on Drying |
≤0.4% |
0.03% |
Residue on ignition |
≤0.1% |
0.03% |
Sulphate Ash |
≤0.1% |
0.03% |
Specific rotation |
+20.5°~ +21.5° |
+20.96° |
PH(with 2% water solution) |
2.4-2.8 |
2.55 |
PH(with 5% water solution) |
2.1-2.6 |
2.30 |
Melting range |
About 190°C |
191°C |
Heavy Metals |
≤3ppm |
<3ppm |
Iron |
≤2ppm |
<2ppm |
Copper |
≤5ppm |
<5ppm |
Oxalic Acid |
≤0.2% |
<0.2% |
Arsenic |
≤1ppm |
<1ppm |
Lead |
≤3ppm |
<3ppm |
Cadmium |
≤1ppm |
<1ppm |
Organic volatile impurities |
Meets the requirements |
conform |
Related Substance
|
Impurity C ≤0.15% Impurity D ≤0.10% Any other Unspecific Impurities Impurity≤0.10% Total Impurity ≤0.2% |
Complies |
Total Plate Count |
≤1,000cfu/g |
<1, 000cfu/g |
Application of ascorbic acid/vitamin c:
Nutritional supplements. Antioxidants; color agent. Enhance resistance to infectious diseases.
Can be used for beer, fermented flour products, carbonated drinks, tea drinks, juice drinks,
milk beverages, milk candy, canned fruit jelly, broth, children's cereal preparations, meat
products, baking products.
Storage for ascorbic acid/vitamin c:
kept in a light-proof,well-colsed,dry and cool place.
Our Advantages:
1.Full experience of large numbers containers loading in Chinese sea port
2.fast shipment by reputed shipping line
3.packing with pallet as buyer's special request
4.best service after shipment with e mail
5.cargoes together with container sales seervice available
6.full experience for Canada & Japan export
7.cargoes photo before and after loading into container
8.raw materials from chinese origin
Quality control for ascorbic acid/vitamin c:
Rigid quality control on inputs, process and outputs lead to high purity and consistent
quality that permit standardization of its use in industry.
With more than 10 years experience in chemical industry,
Henan Sinowin Chemical Industry Co.,Ltd
. is one
of the premier Supplier.Our aim is to provide customers the high quality products, most competitive pricing, the
shortest delivery time and the unequaled service. To reach this, we keep our advantages:
+10 years experience
With our good experience, we offer detailed technical support and advice to assist customers. We
communicate closely with customers to establish their quality requirements.
Consistent Quality
Our plant has strict quality control in each manufacturing process. Our goods passed BV,ISO9001 & SGS
which quality can be control and guaranteed. Meanwhile all the materials are tested before each shipment in
our laboratory to double confirm the quality.
Most competitive pricing
With more than 10 years working experience, we always offer the most competitive pricing to customers to
help lower their cost in application.
Shortest delivery time
90% of orders are shipped within 7-10 days after receipt of the prepayment or workable L/C.
our factory have five production lines and one backup production line,can support any urgent orders.
Respond in 24 hours to inquiry, feedback or other requirements
Our experienced staff is dedicated to answer all of your inquires, feedback or other requirements in 24 hours.
We welcome you to contact us for more information and look forward to working with you.