| 中文名 | 维生素B2 |
| 英文名 | Riboflavin |
| 别名 | 核黄素 维生素B2 维生素B2 维生素B2作用 维生素B2价格 7,8-二甲基-10-(1'-D-核糖基)-异咯嗪 |
| 英文别名 | E 101 vitasanb2 VITAMING Riboflavin VitaminB2 xypentyl)- VitaminB_2 Riboflavine Lactoflavine Riboflavin(VB2) RIBOFLAVINDC GRADE Riboflavin(1.07609) RiboflavinVitamin B2 VitaminB2 Feed Grade VitaminB2 (Riboflavine) RIBOFLAVIN USP (VITAMIN B-2) 1-deoxy-1-(7,8-dimethyl-2,4-dioxo-3,4-dihydrobenzo[g]pteridin-10(2H)-yl)pentitol 1-deoxy-1-(7,8-dimethyl-2,4-dioxo-3,4-dihydrobenzo[g]pteridin-10(2H)-yl)-D-ribitol 5-deoxy-5-(7,8-dimethyl-2,4-dioxo-3,4-dihydrobenzo[g]pteridin-10(2H)-yl)-D-ribitol |
| CAS | 83-88-5 |
| EINECS | 201-507-1 |
| 化学式 | C17H20N4O6 |
| 分子量 | 376.36 |
| InChI | InChI=1/C17H20N4O6/c1-7-3-9-10(4-8(7)2)21(5-11(23)14(25)12(24)6-22)15-13(18-9)16(26)20-17(27)19-15/h3-4,11-12,14,22-25H,5-6H2,1-2H3,(H,20,26,27)/t11-,12+,14-/m0/s1 |
| InChIKey | AUNGANRZJHBGPY-SCRDCRAPSA-N |
| 密度 | 1.2112 (rough estimate) |
| 熔点 | 290°C (dec.)(lit.) |
| 沸点 | 504.93°C (rough estimate) |
| 比旋光度 | -135 º (c=5, 0.05 M NaOH) |
| 闪点 | 9℃ |
| 水溶性 | 0.07 g/L (20 ºC) |
| 溶解度 | 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). |
| 折射率 | -135 ° (C=0.5, JP Me |
| 酸度系数 | 1.7(at 25℃) |
| PH值 | 5.5-7.2 (0.07g/l, H2O, 20°C) |
| 存储条件 | 2-8°C |
| 稳定性 | Stable, but light-sensitive. Incompatible with strong oxidizingagents, reducing agents, bases, calcium, metallic salts. May bemoisture sensitive. |
| 敏感性 | Light Sensitive |
| 外观 | Powder |
| 颜色 | Yellow to orange |
| 气味 | Slight odour |
| Merck | 14,8200 |
| BRN | 97825 |
| 物化性质 | 黄至橙黄色结晶性粉末，微臭，味微苦。熔点280℃(分解)。易溶于碱性溶液和氯化钠溶液，微溶于水，略溶于乙醇，不溶于yimi和氯仿。水溶液呈黄绿色，饱和水溶液呈中性。耐热性、耐酸性较好，在碱性溶液中或受紫外线照射则易受破坏，对还原剂也不稳定。大白鼠腹腔注射LD50560mg/kg，ADI0～0.5mg/kg(FAO/WHO，1994)。 |
