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Indicator Chromogenic agent Coloring agent

Pyrocatechol violet
Product name:Pyrocatechol violet CAS:115-41-3 Molecular formula:C19H14O7S Molecular weight:386.38 De…
Crystal violet
Product name:Crystal violet CAS:548-62-9 Molecular formula:C25H30N3Cl Molecular weight:407.98 Descri…
Bromocresol purple
  Product name:Bromocresol purple CAS:115-40-2 Molecular formula:C21H16Br2O5S Molecular weight:540.2…
methyl violet
Product name:methyl violet CAS:8004-87-3 Molecular formula:C25H30ClN3 Molecular weight:407.99 Descri…
Eriochrome black T
  Product name:Eriochrome black T CAS:1787-61-7 Molecular formula:C20H12N3NaO7S Molecular weight:461…
Chloral hydrate
Product name:Chloral hydrate CAS:302-17-0 Molecular formula:C2H3Cl3O2 Molecular weight:165.40 Descri…
Amido black 10B
  Product name:Amido black 10B CAS:1064-48-8 Molecular formula:C22H14N6Na2O9S2 Molecular weight:616.…
Sudan Black B
  Product name:Sudan Black B CAS:4197-25-5 Molecular formula:C29H24N6 Molecular weight:456.54 Descri…
p-dimethylaminobenza
Product name:p-dimethylaminobenzaldehyde CAS:100-10-7 Molecular formula:C9H11NO Molecular weight:149…
Eriochrome® Blue Bla
  Product name:Eriochrome® Blue Black B CAS:3564-14-5 Molecular formula:C20H13N2NaO5S Molecular weig…
Iodonitrotetrazolium
  Product name:Iodonitrotetrazolium chloride CAS:146-68-9 Molecular formula:C19H13N5O2ICl Molecular…
Ethyl Violet
Product name:Ethyl Violet CAS:2390-59-2 Molecular formula:C31H42ClN3 Molecular weight:492.14 Descrip…