Nutrition Enhancers Cosmetic Grade Vc 99% Purity Ascorbic Acid Powder Vitamin C
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.
Product Name
|
Vitamin C
|
|||
Purity
|
99%
|
|||
Appearance
|
White Crytalline Powder
|
|||
Grade
|
Cosmetic,Food Grade
|
|||
CAS No.
|
50-81-7
|
|||
Molecular formula
|
C6H8O6
|
|||
Molecular weight
|
176.12
|
|||
Water solubility
|
Completely soluble in water
|
|||
Package
|
1kg Vitamin C /with double plastic container inside/Aluminum foil bag outside
|
|||
1kg/Carton,5kgCarton,10kg/Carton,25kg/Drum,OEM
|
||||
Delivery time:
|
Within 2-3 work days after payment
|
|||
Shipment
|
FedEx,DHL,EMS,UPS,The Special Line
|
|||
Payment terms
|
TT,Western Union
|
Functions& Application:
Ascorbic acid is used primarily as an antioxidant, which can provide multiple benefits to food product. Slowing the oxidation preserves color and freshness. The low pH of ascorbic acid can help prevent microbial growth, thereby preventing spoilage and preserving freshness. For these reasons, ascorbic acid is a popular natural ingredient preservative. It can be used as a preservative in a vast array of food products, including bread, cured meats, and other sauces and spreads.
Product Name
|
Vitamin C
|
|||
Item of Test
|
Limits of Test
|
Results of Test
|
||
Appearance
|
White crystalline powder
|
Complies
|
||
Assay
|
≥99%
|
99.98%
|
||
Odor
|
Characteristic
|
Complies
|
||
Loss on drying
|
<3%
|
1.35%
|
||
Ash
|
<3%
|
1.6%
|
||
Residual solvents
|
Negative
|
Complies
|
||
Residual pesticides
|
Negative
|
Complies
|
||
Chemical analysis
|
||||
Heavy Metal
|
<10ppm
|
Complies
|
||
Arsenic (As)
|
<1ppm
|
Complies
|
||
Lead(Pb)
|
<1ppm
|
Complies
|
||
Cadmium (Cd)
|
<0.5ppm
|
Complies
|
||
Mercury (Hg)
|
Absent
|
Complies
|
||
Microbiology analysis
|
||||
Total Plate Count
|
<1000cfu/g
|
Complies
|
||
Yeast & Mold
|
<100cfu/g
|
Complies
|
||
E.Coli
|
Negative
|
Complies
|
||
S. Aureus
|
Negative
|
Complies
|
||
Salmonella
|
Negative
|
Complies
|
||
Pesticides
|
Negative
|
Complies
|
||
Conclusion
|
Conform with specification
|
Package:
Shipping: