Indicators

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  • Calmagite Indicator, 0.1% (w/v), Volumetric

    Reagents®

    Concentration: 0.1% w/v Composition: Water 99.90%, Calmagite 0.10% Boiling Point: 100°C Density: 1 Melting Point: 0.0°C Color: Red liquid Physical State: Liquid Solubility Information: Miscible Shelf Life: 24 Months Storage: Ambient Chemical: 120mL DOT: NOT REGULATED.

  • Arsenazo III Metal Indicator

    MilliporeSigma

    CAS No.: 1668-00-4 pH: 2.3 (10 g/l, H2O, 20°C) Solubility: (20°C) slightly soluble Molar Mass: 776.36 g/mol Bulk Density: 850 kg/m3 Hill Formula: C22H18As2N4O14S2

  • 3,5-Pyrocatecholdisulfonic Acid Disodium Salt Monohydrate (Tiron) Metal…

    MilliporeSigma

    CAS No.: 149-45-1 pH: 5.0 (10 g/l, H2O, 20°C) Solubility: 1350 g/l (20°C) Melting Point: 300°C Molar Mass: 332.22 g/mol Bulk Density: 465 kg/m3 Hill Formula: C6H4Na2O8S2 * H2O

  • Bromophenol Blue

    Reagents®

    Composition: Bromophenol Blue 100% Grade: ACS Reagent Boiling Point: 279 °C CAS Number: 115-39-9 Density: 0.95 Chemical Formula: C19H10Br4O5S Molecular Weight: 669.9g/mol Melting Point: 273 °C Color: Pale orange solid Physical State: Solid pH Range: 3.0 (yellow) – 4.6 (blue) …

  • Bromocresol Green Indicator ACS, Reagent Ph Eur

    MilliporeSigma

    Grade: ACS, Reag. Ph Eur CAS No.: 76-60-8 Solubility: (20°C) insoluble Melting Point: 217 - 218°C Molar Mass: 698.02 g/mol Bulk Density: 350 kg/m3 Hill Formula: C21H14Br4O5S

  • Alizarin Yellow R, Sodium Salt

    GFS Chemicals

    Water soluble indicator

  • 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 Orange, 0.1% (w/v), Volumetric

    Reagents®

    Concentration: 0.1% 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: 36 Months Storage:…

  • 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.

  • Calmagite Indicator, 0.2% (w/v), Volumetric

    Reagents®

    Concentration: 0.2% w/v Composition: Water 99.80%, Calmagite 0.20% Boiling Point: 100°C Density: 1 Melting Point: 0.0°C Color: Red liquid Physical State: Liquid Solubility Information: Miscible Shelf Life: 24 Months Storage: Ambient DOT: NOT REGULATED.

  • 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 …

  • SPADNS Reagent (ACS)

    GFS Chemicals

    (HO)2C10H3(SO3Na)2N=NC6H4SO3Na CAS#: 23647-14-5 F.W.: 570.42 (4,5-Dihydroxy-3-(p-sulfophenylazo)-2,7-naphthalene disulfonic acid, trisodium

  • Methylthymol Blue Sodium Salt Metal Indicator

    MilliporeSigma

    CAS No.: 1945-77-3 pH: 6.2 (10 g/l, H2O, 20°C) Solubility: 460 g/l (20°C) Melting Point: 844.76 g/mol Molar Mass: 570 kg/m3 Hill Formula: C37H40N2Na4O13S

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

    Reagents®

    Concentration: 1% w/v in 50% Ethanol Composition: Water 54.95%, Ethyl Alcohol 39.77, Isopropyl Alcohol 2.20%, Methyl Alcohol 1.99%, Phenolphthalein 1.10% Boiling Point: Approximately 77°C Density: 0.9 Melting Point: Approximately -90°C Color: Colorless liquid Physical State: Liquid …

  • Eriochrome Black T (C.I. 14645) Indicator For Complexometry ACS, Reagent Ph Eur

    MilliporeSigma

    Grade: ACS, Reag. Ph Eur CAS No.: 1787-61-7 pH: 3.7 (10 g/l, H2O, 20°C) Solubility: 50 g/l (20°C) Molar Mass: 461.38 g/mol Bulk Density: 400 - 600 kg/m3 Hill Formula: C20H12N3NaO7S

  • Methylene Blue (C.I. 52015) Reagent Ph Eur

    MilliporeSigma

    Formula: C16H18ClN3S * x H2O (x=2-3) Grade: Reag. Ph Eur pH: 3 (10 g/l, H2O, 20°C) Solubility: 50 g/l (20°C) Melting Point: 180°C (decomposition) Molar Mass: 319.86 g/mol (anhydrous) Bulk Density: 400 - 600 kg/m3 Hill Formula: C16H18ClN3S * x H2O

  • METHYL RED, SODIUM SALT REAGENT (ACS)

    GFS Chemicals

    C15H14N3O2Na

  • Diphenylamine Indicator Solution, 0.3% Aqueous

    GFS Chemicals

    (C6H5)2NH CAS#: 122-39-4 F.W.: 169.22

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

    Reagents®

    Concentration: 0.2% w/v Composition: Methyl Alcohol 99.75%, Thymolphthalein 0.25% Density: 0.8 Melting Point: -98°C Color: Colorless liquid Physical State: Liquid Flash Point: 11°C Solubility Information: Miscible Shelf Life: 36 Months Storage: Ambient DOT: UN1230, METHANOL…

  • 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

  • Fast Green Dye Indicator

    Reagents®

    Composition: Water 84.32%, Glycerin 13.17%, Fast Green FCF 2.51% Density: 1.0555 Color: Dark green liquid Physical State: Liquid Solubility Information: Miscible Shelf Life: 12 Months Storage: Ambient Chemical: 500mL 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 …

  • 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)

  • 1-Amino-2-Naphthol-4-Sulfonic Acid Reagent (ACS)

    GFS Chemicals

  • Starch Indicator, 0.5% (w/v), Volumetric

    Reagents®

    Concentration: 0.5% w/v Composition: Water 99.38%, Starch, Soluble 0.50%, Salicylic Acid 0.13% Boiling Point: 100°C Density: 1 Melting Point: 0.0°C Color: White translucent liquid Physical State: Liquid Solubility Information: Miscible Shelf Life: 12 Months Storage: Ambient DOT:…

  • Bromocresol Green, 0.04% (w/v), Volumetric

    Reagents®

    Concentration: 0.04% w/v Composition: Water 99.96%, Bromocresol Green, Sodium Salt 0.04% Boiling Point: 100°C Density: 1 Melting Point: 0.0°C Color: Dark blue liquid Physical State: Liquid pH Range: 3.8 (yellow) – 5.4 (blue) Solubility Information: Miscible Shelf Life: 24 Months …

  • Ninhydrin Reagent (ACS)

    GFS Chemicals

    2,2-Dihydroxy-1,3-indanedione;1,2,3-Indanetrione monohydrate. Indicator for amines.

  • 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…

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

    Reagents®

    Concentration: 0.04% w/v Composition: Water 99.96%, Bromothymol Blue Sodium Salt 0.04% Boiling Point: 100°C Density: 1 Melting Point: 0.0°C Color: Dark colored liquid Physical State: Liquid pH Range: 6.0 (yellow) – 7.6 (blue) Solubility Information: Miscible Shelf Life: 24 Months …

  • Dichlorofluorescein Solution, 1% in Reagent Alcohol

    GFS Chemicals

    C20H10Cl2O5 CAS#: 76-54-0 F.W.: 401.20

  • Murexide Indicator

    Reagents®

    Composition: Sodium Chloride 99.80%, Murexide 0.20% Boiling Point: 1461°C Density: 2.1 Melting Point: 801°C Color: Rose-pink solid. Physical State: Solid pH Range: 5 to 9 Solubility Information: 370 g/L at 20°C Synonyms: Murexide-Sodium Chloride Shelf Life: 24 Months Storage:…

  • HYDROXY NAPHTHOL BLUE

    GFS Chemicals

    C20H12N2O11S3Na2

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