Prod.-No.DescriptionpH RangeTransition Interval
A3865 Hematoxylin 0.0 - 1. red - yellow
A2388 Malachite green oxalate 0.0 - 2.0 yellow - green-blue
A2298 Brilliant green 0.0 - 2.6 yellow - green
A0822 Eosin Y 0.0 - 3.0 yellow - green fluorescence
A0558 Erythrosin B 0.0 - 3.6 orange - red
A1403 Methyl green 0.1 - 2.3 yellow - blue
A2378 Cresol red 0.5 - 2.5 rose - brown-yellow
A0691 Crystal violet * 0.8 - 2.6 yellow - blue-violet
A2825 Metanil yellow 1.2 - 2.3 red - yellow
A2478 para-Xylenol blue 1.2 - 2.5 red - yellow
A2376 m-Cresol purple 1.2 - 2.8 rose - yellow
A0462 Thymol blue 1.2 - 2.8 violet - brownish
A0680 Phenol red 1.2 - 3.0 orange - yellow
A0821 Eosin B 1.4 - 2.4 colorless - rose fluorescence
A2322 Quinaldine red 1.4 - 3.2 colorless - rose
A3290 Dimethyl yellow 3.0 - 4.0 rose - brown-yellow
A2330 Bromochlorophenol blue 3.0 - 4.5 green-yellow - blue-violet
A2331 Bromophenol blue 3.0 - 4.6 greenish-yellow - blue-violet
A2385 Congo red 3.0 - 5.2 violet - orange-red
A0581 Methyl orange 3.1 - 4.4 rosa - orange-yellow
A1051 Bromocresol green 3.8 - 5.4 yellow-green - blue
A2306 Alizarin red S 4.3 - 6.3 slightly yellow - rose
A2392 Methyl red 4.5 - 6.2 violet-red - brown-yellow
A2311 Bromophenol red 4.7 - 6.3 yellow - purple
A1058 Chlorophenol red 4.8 - 6.4 brown-yellow - red-violet
A3865 Hematoxylin 5.0 - 6.0 light yellow - violet
A2390 Lacmus (Litmus) 5.0 - 8.0 red - violet
A1059 Bromocresol purple 5.2 - 6.8 greenish-yellow - blue-violet
A2309 Bromoxylenol blue 5.7 - 7.4 yellow - blue
A2125 Alizarin 5.8 - 7.2 yellow - red
A2340 Bromothymol blue 5.8 - 7.6 yellow - blue
A0680 Phenol red 6.5 - 8.0 brown-yellow - red-violet
A2378 Cresol red 6.5 - 8.5 yellow - purple
A0683 Neutral red 6.8 - 8.0 violet - orange-yellow
A2376 m-Cresol purple 7.4 - 9.3 brown-yellow - red-violet
A2478 para-Xylenol blue 7.5 - 9.3 yellow - blue
A0462 Thymol blue 7.8 - 9.5 greenish-yellow - blue
A1132 Phenolphthalein 8.2 - 10.0 colorless - red-violet
A1738 Thymolphthalein 9.0 - 10.5 colorless - blue
A2306 Alizarin red S 9.4 - 12.0 orange - violet
A2295 Alizarin yellow GG 10.0 - 12.1 red - purple
A4466 β-Naphthol violet 10.6 - 12.0 orange yellow - violet
A2125 Alizarin 11.0 - 13.0 red - purple
A2366 Indigo carmine 11.5 - 13.0 blue - yellow
A2310 Alkali blue 6B 11.5 - 13.0 blue - rose
A2362 Epsilon blue 11.6 - 13.0 orange - violet
A2437 Titan yellow 12.0 - 13.0 yellow - red

Legend

* also known as Gentian violet or Methyl violet 10 B

Please note that AppliChem offers the salts of several indicators as well. If you select Indicators or pH Indicators through our Product Search, you will find ready-to-use solutions of various indicators.

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