Высокое качество косметического класса витамин С натрия фосфат порошок аскорбилфосфат
9 367,97 ₽ - 12 674,30 ₽
Сохранить в закладки 1601116264293:
Product Name: | Vitamin B2 |
Spec./Purity: | >99% |
Appearance: | Organe crystalline powder |
Cas No. | 130-40-9 |
MF | C17H20N4NaO9P |
Assay of riboflavin (on dry basis) | 73.0% ~ 79.0% | 73.3% |
Physical Description | ||
Appearance | Yellow to Orange yellow crystalline powder | Orange crystalline powder |
Specific Optical Rotation | +37.0° ~ +42.0° | +37.4° |
PH | 5.0~6.5 | 5.7 |
Identification | ||
Fluorescence Test | The solution is pale greenish yellow by transmitted light, and it exhibits an intense yellowish green fluorescence by reflected light under long-wavelength UV light that disappears upon the addition of mineral acids or alkalie. | Complies |
Reactions of Sodium Salt & Phosphates | The filtrate gives reaction of sodium and reaction of phosphate | Complies |
Related substances | ||
Free Riboflavin | 6.0% Max | 4.2% |
Riboflavin Diphosphate | 6.0% Max | 3.1% |
Lumiflavin | Absorbance is 0.025 max | 0.004 |
Inorganic Phosphate | 1.0% Max | 0.98% |
Loss on drying | 7.5% Max | 5.2% |
Sulphated Ash | 25% Max | 20.8% |
Mehtanol | 3000ppm max | 55ppm |
Acetonitrile | 410ppm max | Not Detected |
Pyridine | 200ppm max | 54ppm |
Heavy metals | 0.001%Max | <0.001% |
Arsenic | 1.0ppm Max | <0.01ppm |
Cadmium | 1.0ppm Max | <0.087ppm |
Mercury | 0.1ppm Max | <0.005ppm |
Lead | 2.0ppm Max | <0.02ppm |
Microbiology Control | ||
Total Plate Count | 1000CFU/g Max | <1000CFU/g |
Yeast & Mold | 100CFU/g Max | <100CFU/g |
E.Coli | Negative | Negative |
Salmonellla | Negative | Negative |
Staphylococcus aureus | Negative | Negative |
Express(3-8 days) | DHL/TNT/Fedex |
By Air(8-15 days) | To airport only,customer deal with customs clearance in destination airport ;Suitable for large quantity like 50kg to hundreds of kgs |
Door to door(8-15days) | most efficient way under 100kg Special line service |
By Sea(20-40 days) | To seaport only,customer deal with customs clearance in destination seaport; Suitable for large goods,hundreds of kgs to container;Cheaper but longer time. |
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