Basic information
CAS NO
115-41-3
EINECS
204-088-3
Molecular Formula
C19H14O7S
Molecular Weight
386.3753
English Name
Pyrocatechol Violet
Synonyms
Pyrocatecholsulfonephthalein, Catechol Violet, alpha,alpha-bis(3,4-dihydroxyphenyl)toluene-2,alpha-sultone, catecholsulphonephthalein, Pyrocatechol sulphonephthalein, Catecholsulfonphthalein, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiole-3,3-diyl)dibenzene-1,2-diol, 2-[(E)-(3,4-dihydroxyphenyl)(3-hydroxy-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]benzenesulfonic acid, 2-[(Z)-(3,4-dihydroxyphenyl)(3-hydroxy-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]benzenesulfonic acid
Physical and Chemical Properties
Density
1.62g/cm3
Refractive index
1.737
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