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CAS号:
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83-88-5
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英文名称:
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Riboflavin
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英文同义词:
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Hyre;Q 14;E 101;avine;VIT B2;RibofL;Flaxain;VB2、vb2;RIBIPCA;Ribosyn
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中文名称:
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维生素 B2
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中文同义词:
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乙二素;核黄素;乳黄素;维酶素;普迪沙;谷黄素;维生素G;维生素乙2;粗制核黄素;维生素B2
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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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- 熔点 :
- 290 °C (dec.)(lit.)
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- 比旋光度 :
- -135 º (c=5, 0.05 M NaOH)
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- 沸点 :
- 504.93°C (rough estimate)
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- 密度 :
- 1.2112 (rough estimate)
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- 折射率 :
- -135 ° (C=0.5, JP Method)
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- 闪点 :
- 9℃
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- 储存条件 :
- 2-8°C
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- 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).
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- 形态:
- Powder
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- 酸度系数(pKa):
- 1.7(at 25℃)
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- 颜色:
- Yellow to orange
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- PH值:
- 5.5-7.2 (0.07g/l, H2O, 20°C)
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- 气味 (Odor):
- Slight odour
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- 酸碱指示剂变色ph值范围:
- 6
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- 水溶解性 :
- 0.07 g/L (20 ºC)
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- 敏感性 :
- Light Sensitive
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- Merck :
- 14,8200
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- BRN :
- 97825
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- 稳定性:
- Stable, but light-sensitive. Incompatible with strong oxidizing agents, reducing agents, bases, calcium, metallic salts. May be moisture sensitive.
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- InChIKey:
- AUNGANRZJHBGPY-SCRDCRAPSA-N
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- CAS 数据库:
- 83-88-5(CAS DataBase Reference)
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- NIST化学物质信息:
- Riboflavine(83-88-5)
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- EPA化学物质信息:
- Riboflavin (83-88-5)
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| 危险类别码 : |
11-23/24/25-39/23/24/25 |
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| 危险品运输编号 : |
UN1230 - class 3 - PG 2 - Methanol, solution |
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| 毒害物质数据: |
83-88-5(Hazardous Substances Data) |
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| 毒性: |
LD50 in rats (g/kg): >10 orally, 5.0 s.c., 0.56 i.p. (Unna, Greslin) |
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