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xylenol orange

Alias:

o-cresolsulphonephthalein-6,6-di(methylaminodiacetic acid); o-Cresolsulfonphthaleindi-(methyl-iminodiacetic acid); 2,2',2'',2'''-{(1,1-dioxido-3H-2,1-benzoxathiole-3,3-diyl)bis[(6-hydroxy-5-methylbenzene-3,1-diyl)methanediylnitrilo]}tetraacetic acid;

English name:

xylenol orange

Alias:

o-Cresolsulfonphthaleindi-(methyl-iminodiacetic acid);

CAS RN:

1611-35-4

EINECS No.:

216-553-8

Molecular formula:

C₃₁H₃₂N₂O₁₃S

Molecular weight:

672.6564

Molecular structure:

Density:

1.534g/cm3

Melting point:

222℃

Boiling point:

919.3°C at 760 mmHg

Flash point:

509.8°C

Vapor pressure:

0mmHg at 25°C

Uses:

As acid-base indicator and complexometric indicator for measuring bismuth, thorium, lead, cobalt, copper, iron and aluminum