Product Name: Vitamin B2
Specification:98.0%~102.0%
Appearance: Yellow or organe yellow crystalline powder
TECHNICAL DATE SHEET | ||
PRODUCT SPECIFICATIONS | ||
Product Name: | Vitamin B2(Riboflavin) | |
Internal Code: | 000-01260 | |
Cas number: | 83-88-5 | |
Molecular formula | C17H20N4O6 | |
ANALYSIS ITEMS | SPECIFICATION | TEST METHOD |
Appearance | A yellow or orange yellow crystalline powder | Organoleptic |
Identitification | A solution of 1mg in 100ml of water is pale greenish yellow by transmitted light, and has an intense yellowish-green fluorescence that disappears upon the additon of mineral acids of alkalies | |
Specific rotation | -115~-135° | |
Assay(on dry basis) | 98.0%~102.0% | |
Loss on drying | ≤ 1.5% | Eur.Ph.9.0 [2.5.12] |
Residue on ignition | ≤ 0.3% | Eur.Ph.9.0 [2.4.16] |
Lumiflavin | 440nm Absorbance≤ 0.025% | |
Aerobic bacteria(TAMC) | ≤1000 cfu/g | USP39 <61> |
Yeast/Moulds(TAMC) | ≤100 cfu/g | USP39 <61> |
Bile-tol.gram- b./Enterobact.: | ≤100 cfu/g | |
Escherichia coli: | Absent in 1g | USP39 <62> |
Salmonella: | Absent in 25g | USP39 <62> |
Staphylococcus aureus: | Absent in 1g | |
Aflatoxins B1 | ≤ 5 ppb -Reg.EC 1881/2006 | USP39 <62> |
Aflatoxins ∑ B1, B2, G1, G2 | ≤ 10 ppb -Reg.EC 1881/2006 | USP39 <62> |
Packing | Pack in paper-drums and two plastic-bags inside N.W. 25 kgs I.D.35xH51cm. | |
Storage | Store in a well-closed container away from moisture, light, oxygen. | |
Shelf Life | 24 months under the conditions above and in its original packaging |