产品名称
溴酚蓝, titration: suitable
Quality Segment
agency
suitable for SM 2310, suitable for SM 2320
form
powder
technique(s)
titration: suitable
color
faint beige to very dark beige, faint orange to very dark orange
visual transition interval
3.0-4.6, yellow-green to blue
mp
273 °C
solubility
methanol: 10 mg/mL
application(s)
diagnostic assay manufacturing
hematology
histology
storage temp.
room temp
SMILES string
Oc1c(Br)cc(cc1Br)C2(OS(=O)(=O)c3ccccc23)c4cc(Br)c(O)c(Br)c4
InChI
1S/C19H10Br4O5S/c20-12-5-9(6-13(21)17(12)24)19(10-7-14(22)18(25)15(23)8-10)11-3-1-2-4-16(11)29(26,27)28-19/h1-8,24-25H
InChI key
UDSAIICHUKSCKT-UHFFFAOYSA-N
General description
溴酚蓝在酸性水溶液中以磺化羟基醌的形式存在,又称四溴酚磺酞。溴酚蓝是一种pH指示剂,并且是一种强蓝色染料。它具有轻微的负电荷并且可沿与DNA相同的方向迁移,允许用户对分子在凝胶中移动的进程进行监测。不同的凝胶组成具有不同的迁移速率。
Application
在 DNA、RNA(琼脂糖)和蛋白质(聚丙烯酰胺)凝胶电泳中,溴酚蓝用作示踪染料。它已用于为蛋白质印迹分析制备蛋白质样品。溴酚蓝在琼脂糖凝胶中以与300-500 bp DNA大致相同的速率迁移,在蛋白聚丙烯酰胺凝胶中位于缓冲前沿。此外,它还是为人熟知的重要血脑屏障检测染色剂。
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存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)