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中文名
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维生素 B2
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中文同义
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核黄素(维生素B2) 10G;维生素 B2;7,8-二甲基-10-(1-D-核糖基)-异咯嗪;维生素G、VB2、维生素B2;维生素B2厂家;维生素B2价格;维生素B2生产厂家;维生素B2作用
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英文名
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Riboflavin
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英文同义
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vitasanb2;xypentyl)-;E 101;Riboflavin (1.07609);Riboflavin Vitamin B2;Vitamin B2 (Riboflavine);RIBOFLAVIN DC GRADE;RIBOFLAVIN USP (VITAMIN B-2)
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CAS
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83-88-5
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分子式
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C17H20N4O6
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分子量
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376.36
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EINECS
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201-507-1
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结构式
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性质
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熔点
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290 °C (dec.)(lit.)
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比旋光度
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-135 o (c=5, 0.05 M NaOH)
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沸点
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504.93°C (rough estimate)
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密度
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1.2112 (rough estimate)
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折射率
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-135 ° (C=0.5, JP Method)
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闪点
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9℃
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储存条件
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2-8°C
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溶解度
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Very slightly soluble in water, practically insoluble in ethanol (96 per cent). Solutions deteriorate on exposure to light, especially in the presence of alkali. It shows polymorphism (5.9).
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酸度系数(pKa)
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1.7(at 25℃)
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形态
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Powder
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颜色
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Yellow to orange
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气味 (Odor)
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Slight odour
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PH值
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5.5-7.2 (0.07g/l, H2O, 20°C)
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酸碱指示剂变色ph值范围
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6
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水溶解性
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0.07 g/L (20 oC)
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敏感性
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Light Sensitive
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Merck
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14,8200
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BRN
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97825
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稳定性
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Stable, but light-sensitive. Incompatible with strong oxidizing agents, reducing agents, bases, calcium, metallic salts. May be moisture sensitive.
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InChIKey
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AUNGANRZJHBGPY-SCRDCRAPSA-N
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NIST化学物质信息
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Riboflavine(83-88-5)
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EPA化学物质信息
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Riboflavin (83-88-5)
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