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Chemical Indicator Supplies

Chemical indicators are essential laboratory tools, ensuring accuracy in various testing and analysis processes. These indicators, including pan indicators, solution indicators, and lab indicators, help detect changes in chemical properties, confirming the completion of reactions or the presence of specific substances.

Our range of chemical indicators includes highly sensitive and reliable options for precision and consistency. Advanced features such as color change clarity and rapid response times make these indicators indispensable in any lab setting. These features provide clear visual cues, reducing the likelihood of errors and improving efficiency in experimental procedures.

Available in various formats, from strips and papers to liquid solutions, our chemical indicators cater to diverse testing needs. Each type is suited for specific applications, offering flexibility and adaptability. For instance, pan indicators are perfect for titrations, while solution indicators are ideal for monitoring pH levels and other chemical reactions.

These indicators are compatible with various laboratory equipment and procedures, ensuring seamless integration into your workflow. Accessories such as dispensers and storage cases are also available to support proper handling and storage, maintaining the integrity of the indicators.

Choose from our comprehensive selection of chemical indicators to enhance your lab's accuracy and efficiency.

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Chemical Indicator Supplies

Products (169)

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  • Starch Indicator, 1% (w/v)

    chemForce® (powered by Thomas Scientific)

    Harmonized #: 3822.00.0002|5090 Shelf Life (months): 12 Specific Gravity: 1.01 DOT: Not regulated Appearance: White translucent Physical State: Liquid Flash Point: Not applicable Solubility: Miscible Storage Temperature: Ambient Storage Code: General

  • Starch Indicator, 0.5% (w/v)

    chemForce® (powered by Thomas Scientific)

    Harmonized #: 3822.00.0002|5090 Shelf Life (months): 12 Specific Gravity: 1.00 DOT: Not regulated Appearance: White translucent Physical State: Liquid Flash Point: Not applicable Solubility: Miscible Storage Temperature: Ambient Storage Code: General

  • Methyl Purple Indicator Solution

    GFS Chemicals

    Visual transition pH 4.8-5.4, purple-green

  • Eriochrome Black, USP TS, Methanol

    Exaxol

    The Exaxol eriochrome black USP test solution is mainly used in research facilities and chemical laboratories to conduct wide range of experiments. It is available in sturdy bottle that endures heavy and rigorous usage. Application: For Laboratory use only

  • Iodine Indicator

    MilliporeSigma

    Iodine Indicator, 100 g

  • Uranine Ap (C.I. 45350) Concentrated For The Examination Of Subterranean Waters

    MilliporeSigma

    CAS No.: 518-47-8 pH: 8.3 (10 g/l, H2O, 20°C) Solubility: 500 g/l (20°C) Melting Point: >300°C Molar Mass: 376.27 g/mol Bulk Density: 600 kg/m3 Hill Formula: C20H10Na2O5

  • Calcein Indicator For Metal Determination

    MilliporeSigma

    CAS No.: 1461-15-0 Solubility: (20°C) slightly soluble Molar Mass: 622.55 g/mol Bulk Density: 600 kg/m3 Hill Formula: C30H26N2O13

  • Phenolphthalein

    MP Biomedicals

    Phenolphthalein can be used in a 1% alcoholic solution as an indicator in titrations of mineral and organic acids and most alkalies. Not suitable for ammonia. Very sensitive to CO2; and, in estimating carbonates, the liquid must be boiled. Borax can be titrated with phenolphthalein as an...

  • Methyl Violet

    GFS Chemicals

    C24H28ClN3 CAS#: 8004-87-3 F.W.: 393.97

  • Xylenol Orange tetrasodium salt, ACS

    BeanTown Chemical

    CAS: 3618-43-7 EC No: 222-805-8 MDL No: MFCD00044293 Powder Molecular Formula: C31H28N2Na4O13S MW: 760.59 Melting Point: 195° (decomposes)

  • Bromophenol Blue, 1% (w/v), Volumetric

    Reagents®

    Concentration: 1% Aqueous Composition: Water: 99%, Bromophenol Blue, Sodium Salt 1% Boiling Point: 100°C Density: 1 Melting Point: 0.0°C Color: Dark reddish-purple liquid Physical State: Liquid pH Range: 3.0 (yellow) – 4.6 (blue) Solubility Information: Miscible Shelf Life: 24 Months Storage:...

  • Indigo Carmine (C.I. 73015) For Analysis

    MilliporeSigma

    CAS No.: 860-22-0 pH: 5.3 (10 g/l, H2O, 20°C) Solubility: 10 g/l (25°C) Molar Mass: 466.36 g/mol Bulk Density: 700 - 900 kg/m3 Hill Formula: C16H8N2Na2O8S2

  • Eriochrome Blue-Black B (C.I. 14640) Metal Indicator

    MilliporeSigma

    CAS No.: 3564-14-5 pH: 9.5 (10 g/l, H2O, 20°C) Solubility: 20 g/l (20°C) Molar Mass: 416.39 g/mol Bulk Density: 540 kg/m3 Hill Formula: C20H13N2NaO5S

  • Fluorescein Sodium (C.I. 45350) Indicator Reagent Ph Eur

    MilliporeSigma

    Grade: Reag. Ph Eur CAS No.: 518-47-8 pH: 8.3 (10 g/l, H2O, 20°C) Solubility: 500 g/l (20°C) Melting Point: >300°C Molar Mass: 376.27 g/mol Bulk Density: 600 kg/m3 Hill Formula: C20H10Na2O5

  • M-Cresol Purple Indicator

    MilliporeSigma

    CAS No.: 2303-01-7 Solubility: (20°C) slightly soluble Molar Mass: 382.43 g/mol Bulk Density: 480 kg/m3 Hill Formula: C21H18O5S

  • Methyl Orange 0.05% w/v Aqueous Indicator Solution

    Exaxol

    pH 3.2 (red) to pH 4.4 (yellow). APHA, ASTM

  • 3-Nitrophenol Indicator

    MilliporeSigma

    Formula: O2NC6H4OH CAS No.: 554-84-7 pH: 6.6 - 8.6 (H2O, 20°C) Solubility: (20°C) insoluble Melting Point: 95 - 98°C Molar Mass: 139.11 g/mol Bulk Density: 640 kg/m3 Boiling Point: 194°C (93 hPa) Flash Point: >100°C Density: 1.49 g/cm3 (20°C) Ignition Point: 400°C Hill Formula: C6H5NO3

  • Methylthymol Blue Sodium Salt (ACS)

    GFS Chemicals

    C37H40N2O13SNa4 CAS#: 1945-77-3 F.W.: 844.74 Descriptions: Water soluble chelometric indicator.

  • Bromphenol Blue Solution, 0.1% Aqueous

    GFS Chemicals

    C19H9Br4O5SNa CAS#: 34725-61-6 F.W.: 691.97

  • Methyl Orange-Xylene Cyanole Indicator Solution

    Exaxol

    pH 3.2 (purple) to pH 4.2 (green), 0.1%/0.26%

  • PAN Indicator, 0.1% (w/v)

    Reagents®

    Concentration: 0.1% w/v in Methanol Composition: Methyl Alcohol 99.88%, 1,2-Pyridylazo-2-naphthol 0.13% Boiling Point: 64.5°C Density: 0.8 Melting Point: -90°C Color: Amber to red-orange liquid Physical State: Liquid Flash Point: 11°C Solubility Information: Miscible Shelf Life: 24 Months Storage:...

  • 1-(2-Pyridylazo)-2-Naphthol (Pan) Metal Indicator Reagent Ph Eur

    MilliporeSigma

    Grade: Reag. Ph Eur CAS No.: 85-85-8 Solubility: (20°C) insoluble Melting Point: 136 - 141°C Molar Mass: 249.27 g/mol Bulk Density: 190 kg/m3 Hill Formula: C15H11N3O

  • Phenolphthalein, 3% (w/v), Volumetric

    Reagents®

    Concentration: 3% in 95% Ethanol Composition: Ethyl Alcohol 90.48%, Methyl Alcohol 4.76%, Water 4.76% Boiling Point: 78.3°C Density: 0.8 Melting Point: -114°C Color: Colorless liquid Physical State: Liquid Flash Point: 14°C pH Range: 8.0 (colorless) - 10.0 (pink) Solubility Information: Miscible...

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