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Brand:
AECOCHEMCAS NO.:
50-81-7Product Name:
Vitamin CSynonyms:
L-Ascorbic acid; Vitamin C; L-Threo-2,3,4,5,6-pentahydroxy-1-hexenoic acid-4-lactoneMolecular Formula:
C6H8O6MW:
176.12Packaging:
25kg/cartonWelcome to buy Vitamin C CAS 50-81-7 from AECOCHEM,which would be your reliable partner in China.AECOCHEM is a professional chemicals supplier.If you are interested in Vitamin C or want to purchase from China, please send E-mail to sales@aecochemical.com.
Identification:
Product Name: Vitamin C
CAS : 50-81-7
Synonyms : L-Ascorbic acid; Vitamin C; L-Threo-2,3,4,5,6-pentahydroxy-1-hexenoic acid-4-lactone
Molecular Formula : C6H8O6
Molecular Weight : 176.12
EINECS : 200-066-2
Properties：
Melting point:190-194 °C (dec.)
alpha:20.5 º (c=10,H2O)
Boiling point:227.71°C (rough estimate)
Density:1,65 g/cm3
Refractive index:21 ° (C=10, H2O)
FEMA:2109 | ASCORBIC ACID
Storage temp.:0-6°C
Solubility;H2O: 50 mg/mL at 20 °C, clear, nearly colorless
Form:powder
pka:4.04, 11.7(at 25℃)
Color:white to slightly yellow
PH:1.0 - 2.5 (25℃, 176g/L in water)
Optical activity:[α]25/D 19.0 to 23.0°, c = 10% in H2O
Water Solubility:333 g/L (20 ºC)
Specification:
Appearance:White or almost white, crystalline powder or colorless crystals
Melting point:About 190℃, with decomposition
Infrared absorption spectrum:Infrared absorption spectrum accord with the reference spectrum of ascorbic acid CRS
PH (with 5% water solution):2.1-2.6
PH (with 2% water solution):2.4-2.8
Appearance of solution:Clarity: clear: Color: ≤BY2
Specific optical rotation:+20.5º to +21.5º
Loss on drying:0.4% max
Impurity E:0.2% max
Related substance:
Impurity C: ≤0.15%
Impurity D: ≤0.15%
Unspecified impurities: ≤0.10%
Total impurities: ≤0.2%
Copper:5.0ppm max
Iron:2.0ppm max
Arsenic:3.0ppm max
Lead:2.0ppm max
Mercury:1.0ppm max
Cadmium:1.0ppm max
Heavy metals:10ppm max
Sulphated ash:0.1% max
Residual solvents:Meets requirement
Assay:99.0% to 100.5%
Product Package:
25kg/carton, or according to the requirements of the customers.
Product Storage:
Put in a sealed, dry and ventilated place, Guard Against Fire.
Application:
Synthetic medicinal vitamin C is identical with natural vitamin C.The product can promote the formation of folate into tetrahydrofolate, which is conducive to the synthesis of nucleic acid and the formation of red blood cells.Can also make the reduction of ferric iron ions to ferric iron ions, which is easy to be absorbed by the body, but also conducive to the generation of cells.
Some photos of shipment:
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