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Pharmaceutical excipients Vitamin C 99% CAS NO.50-81-7CAS号：50-81-7
Pharmaceutical excipients Vitamin C 99% CAS NO.50-81-7分子式： C6H8O6
Pharmaceutical excipients Vitamin C 99% CAS NO.50-81-7英文名称： L(+)-Ascorbic acid
Pharmaceutical excipients Vitamin C 99% CAS NO.50-81-7英文同义词： L-Ascorbic Acid, Free Acid; Vitamin C; L-(+)-Ascorbic acid; VC; ascorbic acid; Vita C BP2005; Vitamine C; ; L-threo-hex-1-enofuranos-3-ulose; (5R)-5-[(1S)-1,2-dihydroxyethyl]-3,4-dihydroxyfuran-2(5H)-one (non-preferred name); 5-(1,2-dihydroxyethyl)-3,4-dihydroxyfuran-2(5H)-one (non-preferred name); L(+)-Ascorbic acid
Pharmaceutical excipients Vitamin C 99% CAS NO.50-81-7EINECS号： 200-066-2
Pharmaceutical excipients Vitamin C 99% CAS NO.50-81-7分子量： 176.1241
Pharmaceutical excipients Vitamin C 99% CAS NO.50-81-7熔点： 190-192℃
Pharmaceutical excipients Vitamin C 99% CAS NO.50-81-7沸点： 552.672°C at 760 mmHg
Pharmaceutical excipients Vitamin C 99% CAS NO.50-81-7密度： 0mmHg at 25°C
Pharmaceutical excipients Vitamin C 99% CAS NO.50-81-7闪点： 238.199°C
Product details
Vitamin C CAS NO.50-81-7 as Nutritional drugs origin from China.
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Name: Vitamin C
CAS No.: 50-81-7
Molecular formula: C6H8O6
Molecular Weight: 176.1241
Description:
Vitamin C CAS NO.50-81-7 is a **-soluble nutrient that has important functions in the body, such as normal function of the immune system and antioxidant capacity, and contributes to the normal formation of collagen from iron absorption to the maintenance of normal function of blood vessels, bones, teeth, skin, heart and gums.
Application
Vitamin C CAS NO.50-81-7, is antibody and collagen formation, tissue repair (including some redox effects)
Vitamin C CAS NO.50-81-7,It can make the synthesis of fat and protein and maintain the immune function
Vitamin C CAS NO.50-81-7,It also has antioxidant, anti free radicals, inhibit the formation of tyrosinase, so as to achieve whitening, light spot effect.
Specification：Vitamin C CAS NO.50-81-7
|
Analysis Contents |
Analysis Standard |
Analysis Results |
|
Characteristics |
White or almost White crystals crystalline Powder |
Pass |
|
Identification |
Positive Reaction |
Positive |
|
Melting Point |
About 190℃-192℃ |
190.2℃ |
|
PH(with 2% ** solution) |
2.4-2.8 |
2.42 |
|
PH(with 5% ** solution) |
2.1-2.6 |
2.36 |
|
Clarity Of Solution |
≤BY7 |
＜BY7 |
|
Copper |
≤5ppm |
＜5ppm |
|
Heavy Metals |
≤10ppm |
＜10ppm |
|
** |
≤0.1mg/kg |
＜0.1mg/kg |
|
Lead |
≤2mg/kg |
＜2mg/kg |
|
Arsenic |
≤3ppm |
＜3ppm |
|
Oxalic Acid |
≤0.2% |
＜0.2% |
|
Iron |
≤2ppm |
＜2ppm |
|
Cadmium(cd) |
≤1mg/kg |
＜1mg/kg |
|
Impurity E |
≤0.2% |
＜0.2% |
|
Loss of Drying |
≤0.4 |
＜0.4% |
|
Sulphate Ash(Residue On Ignition) |
≤0.1% |
＜0.1% |
|
Specific Optical Rotation |
+20.5°- +21.5° |
+21.25° |
|
Residual Solvents |
Pass |
Pass |
|
Assay |
99.0%-100.5% |
99.81% |
|
Conclusion |
The Above-Mentioned Product Conforms To BP2016/USP39/FCC10/EP8.8/E300 |
|
Package Vitamin C CAS NO.50-81-7
维生素类
