Product Name
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Vitamin C/ Ascorbic acid
|

|
Molecular Formula
|
C6H8O6
|
Molecular Weight
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176
|
CAS No.
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50-81-7
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Appearance
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White or almost white crystals or crystalline powder
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Character
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melting point on 190 °C -192 °C, 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.
|
Application
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Collagen synthesis,Scurvy, Gingival recession, bleeding,
Prevent arteriosclerosis,antioxidant
|
Standard:
BP2011/USP33/EP 7
/FCC7/CP2010
|
Food Grade, Pharma Grade
|
ITEM
|
STANDARD
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RESULT
|
Melting Point
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About 190 'C
|
190'C
|
Specific Rotation
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+20.5°~ +21.5°
|
+21.0°
|
PH
|
2.1-2.6
|
2.4
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Residue On Ignition %
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≤0.1
|
0.04
|
Assay %
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99.0%~100.5
|
99.9
|
Heavy Metals
|
≤10ppm
|
<10ppm
|
Clarity Of Solution
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Clear
|
pass
|
Color Of Solution
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≤BY7
|
< BY7
|
Impurity E %
|
≤0.2
|
<0.2
|
Copper
|
≤5ppm
|
<5ppm
|
Iron
|
≤2ppm
|
<2ppm
|
Package
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25kg/carton box,25kg/drum; The inner packaging is double plastic bags, vacuum
sealed package with nitrogen; the outer package is corrugated box / cardboard drum.
|
Storage
|
Shade, under seal, dry, ventilation, pollution-free, not in the open air, under 30 °C,
relative humidity ≤ 75%. Can not be stored with toxic, corrosive, volatile or stink items.
Three years from the date of manufacture in the provision of storage and packaging
conditions.
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Transportation
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Handle with care in transportation, sun and rain prevention, cannot be mixed,
transported and stored with toxic, corrosive, volatile or stink items.
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