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Pyrocatechol Violet, pure, indicator grade, ACROS Organics™

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Quantity:
5g
25g
115-41-3
C19H14O7S
386.374
RRRCKIRSVQAAAS-UHFFFAOYSA-N
Pyrocatecholsulfonephthalein
66993
4-[3-(3,4-dihydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]benzene-1,2-diol
C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC(=C(C=C3)O)O)C4=CC(=C(C=C4)O)O
115-41-3
C19H14O7S
386.374
RRRCKIRSVQAAAS-UHFFFAOYSA-N
Pyrocatecholsulfonephthalein
66993
4-[3-(3,4-dihydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]benzene-1,2-diol
C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC(=C(C=C3)O)O)C4=CC(=C(C=C4)O)O
Indicator
Appearance of Solution (0.1% aq. soln.) clear
Infrared Spectrum Authentic
Lambda Max 441 to 449nm (in methanol)
Formula Weight 386.36
Physical Form Metallic or Crystalline Powder
Grade Pure
Packaging Glass bottle
Solubility Solubility in water: soluble. Other solubilities: soluble in ethanol, 2-methoxyethanol
Specific Extinction 375 (at lambda max, methanol) min.
Suitability for complexometric det. of metal oxides: passes
Color Brown or Green
Quantity 5g
Chemical Name or Material Pyrocatechol Violet
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