推挤：Thorin indicator for sulfate titration
 

别名:Thorin, 1-(2-Arsonophenylazo)-2-hydroxy-3,6-naphthalene-disulfonic acid sodium salt, 2-(2-Hydroxy-3,6-disulfo-1-naphthylazo)-benzene-arsonic acid sodium salt

Empirical Formula (Hill Notation):C16H11AsN2Na2O10S2

CAS号:3688-92-4

分子量:576.30

EC索引号:222-993-1

属性
质量水平
200

形式
solid

杂质
≤25% Water (Karl Fischer)

pH值（酸碱度）
6.1 (20 °C, 10 g/L in H2O)

堆积密度
700 kg/m3

λmax
480-490 nm (propan-2-ol)

储存温度
2-30°C

InChI
1S/C16H13AsN2O10S2.2Na/c20-16-14(31(27,28)29)8-9-7-10(30(24,25)26)5-6-11(9)15(16)19-18-13-4-2-1-3-12(13)17(21,22)23;;/h1-8,18H,(H2,21,22,23)(H,24,25,26)(H,27,28,29);;/q;2*+1/p-2/b19-15+;;

InChI key
ZQMPNLOZJUWHSA-WTBAQZMLSA-L