Indicators are substances that provide visible cues (such as a change in color) in the presence or absence of certain chemical species.

 J&K Scientific provides a variety of indicators for research and daily use in an analytical laboratory including pH, complexometric, adsorption and redox indicators in addition to indicators for nonaqueous titrations.


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Neocuproine, 98.5% [CAS: 484-11-7]

SDS Specifications Cat. No. 529724 CAS 484-11-7 MF C14H12N2 MW 208.26 Synonym 2,9-Dimethyl-1,10-phenanthroline hydrate Properties Melting Point 157-159°C 760.0mmhg EINECS 207-601-9 MDL MFCD00004973 Safety Information Symbol GHS07 Signal Word Warning...
$38.00 $10.00

Rhodamine B, 95% [CAS: 81-88-9]

SDS Specifications Cat. No. 997096 CAS 81-88-9 MF C28H31ClN2O3 MW 479.02 Synonym Basic Violet 10 Properties Melting Point 210-211°C 760.0mmhg EINECS 201-383-9 Beilstein 4091619 MDL MFCD00011931 Safety Information Symbol GHS07...
$44.00 $26.40

Zincon, Indicator [CAS: 62625-22-3]

SDS Specifications Cat. No. 993332 CAS 62625-22-3 MF C20H15N4NaO6S MW 462.41 Synonym 2-Carboxy-2'-hydroxy-5'-sulfoformazylbenzene Sodium Salt Properties Melting Point 250-260°C 760.0mmhg EINECS 263-651-1 Beilstein 728403 MDL MFCD00064385 Safety Information Symbol GHS07...

6-Carboxyfluorescein, 98% [CAS: 3301-79-9]

SDS Specifications Cat. No. 992375 CAS 3301-79-9 MF C21H12O7 MW 376.32 Synonym 6-FAM Hydrate Properties Melting Point >300°C 760.0mmhg Beilstein 54341 MDL MFCD00036873 Safety Information Symbol GHS07 Signal Word Warning...
$43.20 $25.92

Bis-(4-hydroxy-1-naphthyl)phenylmethanol, indicator [CAS: 6948-88-5]

SDS Specifications Cat. No. 989854 CAS 6948-88-5 MF C27H20O3 MW 392.45 Synonym p-Naphtholbenzein, alpha-Hydroxy-alpha-(4-hydroxy-1-naphthalenyl)-alpha-phenyl-1-naphthalenemethanol Properties Melting Point 230-235°C 760.0mmhg EINECS 230-116-9 MDL MFCD00003979 Safety Information Precautionary Statements P262 TSCA 2...

5-Carboxyfluorescein, 98% [CAS: 76823-03-5]

SDS Specifications Cat. No. 986740 CAS 76823-03-5 MF C21H12O7 MW 376.32 Synonym 3',6'-Dihydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-5-carboxylic acid Properties Beilstein 57037 MDL MFCD00036874 Safety Information Symbol GHS07 Signal Word Warning Hazard Statements H319 Precautionary...