产品详情

溴甲酚绿/甲基红,混合指示剂 溶液,500ML,318728-500ML,Sigma

销售价: ¥ 1122.95 / 件
优    惠: 请询价
订货号 0BU6786
品牌型号 318728-500ML
货期 询货期
最小订货量 1件
产品介绍 Product Description

General description

溴甲酚绿 (pk 4.9) 和甲基红 (pk 5) 混合指示液在酸性条件下呈红色,在碱性条件下呈绿色,在 pH 5.1 时急剧转变为灰色,因为这两种颜色是互补的。


Application

适用于吗啉的滴定


技术参数 Specifications
formliquid
Quality Level100
compositionBromocresol Green, 0.1% ,Methyl Red, 0.02%
concentration in methanol
density0.839 g/mL at 25 °C
λmax434 nm
ε (extinction coefficient)≥10000 at 282-288 nm in methanol,≥20000 at 509-519 nm in methanol,≥7000 at 329-335 nm in methanol
application(s)diagnostic assay manufacturing
hematology
histology
storage temp.room temp
SMILES stringCN(C)c1ccc(cc1)\N=N\c2ccccc2C(O)=O.Cc3c(Br)c(O)c(Br)cc3C4(OS(=O)(=O)c5ccccc45)c6cc(Br)c(O)c(Br)c6C
InChI1S/C21H14Br4O5S.C15H15N3O2/c1-9-12(7-14(22)19(26)17(9)24)21(13-8-15(23)20(27)18(25)10(13)2)11-5-3-4-6-16(11)31(28,29)30-21;1-18(2)12-9-7-11(8-10-12)16-17-14-6-4-3-5-13(14)15(19)20/h3-8,26-27H,1-2H3;3-10H,1-2H3,(H,19,20)/b;17-16+
InChI keyMFUUASJGLBWWPF-ZYSYNQLUSA-N
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