南京辰瑞晟生物医药科技有限公司
司美格鲁肽 , 阿法诺肽 , 索玛鲁肽 , 他达那非 , 甾体激素原料
核黄素 维生素B2CAS: 83-88-5原料仅供出口或科研试验

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
VITAMIN G
Riboflavin
Vitamin B2
xypentyl)-
Vitamin B_2
Riboflavine
Lactoflavine
Riboflavin (VB2)
RIBOFLAVIN DC GRADE
Riboflavin (1.07609)
Riboflavin Vitamin B2
Vitamin B2 Feed Grade
Vitamin B2 (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
CAS83-88-5
EINECS201-507-1
化学式C17H20N4O6
分子量376.36
InChIInChI=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
InChIKeyAUNGANRZJHBGPY-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 oxidizing agents, reducing agents, bases, calcium, metallic salts. May be moisture sensitive.
敏感性Light Sensitive
外观Powder
颜色Yellow to orange
气味Slight odour
Merck14,8200
BRN97825
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,ADI 0~0.5mg/kg(FAO/WHO,1994)。

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