Semixylenol orange

Alias:

2,2'-({2-hydroxy-5-[3-(4-hydroxy-3-methylphenyl)-1,1-dioxido-3H-2,1-benzoxathiol-3-yl]-3-methylbenzyl}imino)diacetic acid

English name:

Semixylenol orange

CAS RN:

19329-67-0

Molecular formula:

C₂₆H₂₅NO₉S

Molecular weight:

527.543

Molecular structure:

Density:

1.502g/cm3

Boiling point:

741.7°C at 760 mmHg

Flash point:

402.3°C

Vapor pressure:

4.24E-23mmHg at 25°C

Uses:

As complexometric indicator for the titration of iron, aluminum, lead and thorium