Indicators

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  • Methyl Orange 0.1% w/v Aqueous Indicator Solution

    Exaxol

    pH 3.2 (red) to pH 4.4 (yellow). APHA, ACS RS

  • Eriochrome Black T, 0.80%, Volumetric

    Reagents®

    Concentration: 0.8% in 40% Ethanol/60% Triethanolamine Composition: Triethanolamine 67.57%, Ethyl Alcohol 28.62%, Isopropyl Alcohol 1.58%, Methyl Alcohol 1.43%, Eriochrome Black T 0.80% Density: 1 Color: Dark blue liquid Physical State: Liquid Solubility Information: Miscible Shelf Life:…

  • Litmus

    MP Biomedicals

    An acid-base indicator developed from various orcinol-containing lichen including Lecanora tartarea, Rocella fuciformis and Variolaria dealbata. The principal coloring matter in Litmus is Azolitmus, a substituted 7-hydroxy-2-phenoxazone derivative.

  • Methyl Red, 0.1% (w/v), Volumetric

    Reagents®

    Concentration: 0.1% w/v in Ethanol Composition: Ethyl Alcohol 85.29%, Water 6.99%, Methyl Alcohol 3.60%, Methyl Isobutyl Ketone 1.90%, Ethyl Acetate 1.30%, Petroleum Ether 0.80%, Methyl Red 0.13% Boiling Point: Approximately 77°C Density: 0.8 Melting Point: Approximately -90°C Color: Red…

  • Phenol Red Solution, 0.04% Aqueous

    GFS Chemicals

    C19H13O5SNa CAS#: 34487-61-1 F.W.: 376.36

  • PAN Indicator, 0.1% (w/v)

    Reagents®

    Concentration: 0.1% w/v in Isopropyl Alcohol Composition: Isopropyl Alcohol 99.88%, 1,2-Pyridylazo-2-naphthol 0.13% Boiling Point: 82.5°C Density: 0.8 Melting Point: -90°C Color: Amber to red-orange liquid Physical State: Liquid Flash Point: 12°C Solubility Information: Miscible …

  • Methyl Red Indicator

    LaMotte

  • Starch Indicator, 3% (w/v), Volumetric

    Reagents®

    Concentration: 3% w/v Composition: Water 99.94%, Chloroform 2.94%, Starch Soluble 0.12% Boiling Point: Approximately 100°C Density: 1.02 Melting Point: Approximately 0°C Color: White translucent liquid Physical State: Liquid Solubility Information: Miscible Shelf Life: 6 Months …

  • Ferroin Solution (1,10-Phenanthroline Iron(II) Sulfate) 1/40 Mol/L Redox…

    MilliporeSigma

    pH: 2.5 (50 g/l, H2O, 20°C) Solubility: (20°C) soluble Density: 1.01 g/cm3 (20°C)

  • Disulfine Blue Vn 150 (C.I.42045) For Surfactant Tests

    MilliporeSigma

    CAS No.: 129-17-9 pH: 6.9 (10 g/l, H2O, 20°C) Solubility: 210 g/l (25°C) Melting Point: 290°C (decomposition) Molar Mass: 566.67 g/mol Bulk Density: 600 kg/m3 Hill Formula: C27H31N2NaO6S2

  • Thymol Blue, 0.04% (w/v), Volumetric

    Reagents®

    Concentration: 0.04% w/v Composition: Water 99.96%, Thymol Blue, Sodium Salt 0.04% Boiling Point: 100°C Density: 1 Melting Point: 0.0°C Color: Dark green liquid Physical State: Liquid Solubility Information: Miscible Shelf Life: 24 Months Storage: Ambient DOT: NOT REGULATED.

  • Methyl Orange, 0.01% (w/v), Volumetric

    Reagents®

    Concentration: 0.01% w/v Composition: Methyl Orange Sodium Salt 0.10%, Water 99.90% Boiling Point: 100°C Density: 1 Melting Point: 0.0°C Color: Orange liquid Physical State: Liquid pH Range: 3.2 (pink) – 4.4 (yellow) Solubility Information: Miscible Shelf Life: 24 Months …

  • Bromocresol Green Sodium Salt Indicator Water-Soluble ACS

    MilliporeSigma

    Grade: ACS CAS No.: 62625-32-5 Molar Mass: 719.99 g/mol Hill Formula: C21H13Br4NaO5S

  • Fluorescent Indicator F254

    MilliporeSigma

    CAS No.: 68611-47-2 pH: 7.0 (H2O) suspension Solubility: Melting Point: 1500°C Bulk Density: 1450 kg/m3 Density: 4.0 g/cm3 (20°C)

  • Methyl Orange-Xylene Cyanole 0.2%

    Reagents®

    Concentration: 50% v/v Methanol Composition: Water 55.55%, Methyl Alcohol 43.87%, Xylene Cyanol FF 0.36%, Methyl Orange, Sodium Salt 0.22% Density: 0.9 Color: Green to blue-green liquid Physical State: Liquid pH Range: 2.9 (purple) – 4.6 (green) Solubility Information: Miscible Shelf…

  • Safranine 1% w/v Aqueous Stain Indicator Solution

    Exaxol

  • Phenolphthalein, 1% (w/v), Volumetric

    Reagents®

    Concentration: 1% w/v in Isopropanol Composition: Isopropyl Alcohol 98.75%, Phenolphthalein 1.25% Boiling Point: Approximately 77°C Density: 0.8 Melting Point: Approximately -90°C Color: Colorless liquid Physical State: Liquid Flash Point: 12°C pH Range: 8.0 (colorless) - 10.0 (pink)…

  • Sodium Chromate, Indicator 16.4%, Volumetric

    Reagents®

    Composition: Water 83.60%, Sodium Chromate Tetrahydrate 16.40% Boiling Point: Approximately 100°C Density: 1 Melting Point: Approximately 0°C Color: Yellow liquid Physical State: Liquid pH Range: Alkaline Solubility Information: Miscible Shelf Life: 60 Months Storage: Ambient …

  • Tiron

    Bio Basic Inc.

  • Chromotropic Acid Indicator, 0.5%, Indicator Grade

    Reagents®

    Concentration: 0.5% Composition: Water 99.03%, Chromotropic Acid, Disodium Salt, Dihydrate 0.50%, Sulfuric Acid 0.47% Boiling Point: 100°C Density: 1 Melting Point: 0.0°C Color: Pale yellow to tan liquid Physical State: Liquid Solubility Information: Miscible Shelf Life: 12 Months …

  • Starch Indicator, 1% (w/v)

    chemForce™ (a Thomas Scientific Brand)

    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

  • Phenolphthalein, ACS Reagent

    Reagents®

    Composition: Phenolphthalein 100% CAS Number: 77-09-8 Density: 1.3 Chemical Formula: C20H14O4 Molecular Weight: 318.32 g/mol Melting Point: 258 to 262°C Color: White to pale yellow powder Physical State: Solid pH Range: 8.0 (colorless) - 10.0 (pink) Solubility Information: 0.4 g/L…

  • Eriochrome Black T, 0.5% (w/v), Volumetric

    Reagents®

    Concentration: 0.5% w/v Composition: Ethylene Glycol Monomethyl Ether 99.48%, Eriochrome Black T 0.52% Boiling Point: 123 - 126°C at 1013 hPa Density: 0.97 Melting Point: -85°C Color: Purple liquid Physical State: Liquid Flash Point: 39°C Solubility Information: Miscible Shelf…

  • Bromophenol Blue, 0.1% (w/v) , Volumetric

    Reagents®

    Composition: 0.1% w/v Bromophenol blue in water Grade: Volumetric Physical State: liquid Solubility Information: Miscible Synonyms: Bromophenol Blue Storage: Ambient Packaging Type: Poly Container

  • Phenolphthalein, ACS

    BeanTown Chemical

    CAS: 77-09-8 EC No: 201-004-7 MDL No: MFCD00005913 RTECS: SM8380000 Powder Molecular Formula: C20H14O4 MW: 318.33 Melting Point: 261-263° Density (g/mL): 1.299

  • Methyl Orange-Xylene Cyanole 0.1%

    Reagents®

    Composition: Water 99.85%, Xylene Cyanol FF 0.10%, Methyl Orange, Sodium Salt 0.05% Boiling Point: Approximately 100°C Density: 1 Melting Point: 0°C Color: Dark blue-green liquid Physical State: Liquid pH Range: 2.9 (purple) – 4.6 (green) Solubility Information: Miscible Shelf Life:…

  • Murexide (Ammonium Purpurate) Metal Indicator ACS, Reagent Ph Eur

    MilliporeSigma

    Grade: ACS, Reag. Ph Eur CAS No.: 3051-09-0 pH: 5 (1 g/l, H2O, 20°C) Solubility: 1 g/l (20°C) Molar Mass: 284.19 g/mol Bulk Density: 330 kg/m3 Hill Formula: C8H8N6O6

  • 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…

  • Starch-Iodide Solution

    Reagents®

    Composition: Water 98.75%, Starch Soluble 1%, Potassium Iodide 0.25% Boiling Point: 100°C Density: 1 Melting Point: 0.0°C Color: White translucent liquid Physical State: Liquid Solubility Information: Miscible Shelf Life: 6 Months Storage: Ambient DOT: NOT REGULATED.

  • Indicator Buffer Tablets For The Determination Of Water Hardness With Titriplex…

    MilliporeSigma

    Solubility: (20°C) soluble

  • Thymolphthalein, 0.2% (w/v) , Volumetric

    Reagents®

    Concentration: 0.2% in Isopropanol Composition: Isopropyl Alcohol 99.75%, Thymolphthalein 0.25% Boiling Point: 82.5°C Density: 0.8 Melting Point: -90°C Color: Colorless liquid Physical State: Liquid Flash Point: 12°C Solubility Information: Miscible Synonyms: Thymolphthalein 0.2%…

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