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RIBOFLAVIN OTHER NAME: 7,8-Dimethyl-10-ribitylisoalloxazine; Lactoflavine; Vitamin B2 CAS NUMBER: 83-88-5 SPECIFICATION: USD28/BP2000 ITEM | USP28 | BP2000 | APPEARANCE | A yellow or orange yellow crystalline | A yellow or orange yellow crystalline powder | IDENTIFICATION | conform | conform | SPECIFIC ROTATION,° | +56.5~+59.5 | -115~-135 | ASSAY (ON DRIED BASIS, %) | 98.0~102.0 | 98.0~101.0 | LOSS ON DRYING (%) | 1.5max | 1.5max | RESIDUE ON IGNITION (%) | 0.3max | 0.1max | ORGANIC VOLATILE IMPURITIES | Meets the requirements | / | ACIDITY OR ALKALINITY (PH) | / | Meets the requirements | LUMIFLAVINCE | 440nm Absorbance 0.025max | Not more intensely coloured than reference solution BY6 | ABSORBANCE | / | A373nm/A267nm=0.31~0.33 A444nm/A267nm=0.36~0.39 |
PACKINGS: 25KG cartons. USAGE: Food additive, food enhanced function.
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