Chemical Indicator Supplies
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Thorin Indicator For Sulfate Titration
MilliporeSigmaCAS No.: 3688-92-4 pH: 6.1 (10 g/l, H2O, 20°C) Solubility: (20°C) soluble Melting Point: 576.3 g/mol Bulk Density: 700 kg/m3 Hill Formula: C16H11AsN2Na2O10S2
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pH 3.2 (red) to pH 4.4 (yellow). APHA, ACS RS
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1-Naphtholbenzein Indicator Reagent Ph Eur
MilliporeSigmaGrade: Reag. Ph Eur CAS No.: 145-50-6 Solubility: (20°C) insoluble Melting Point: 243 - 245°C Molar Mass: 374.44 g/mol Bulk Density: 120 - 300 kg/m3 Hill Formula: C27H18O2
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1-amino-2-naphthol-4-sulfonic Acid, ACS Reagent
GFS ChemicalsThe GFS Chemicals 1-amino-2-naphthol-4-sulfonic acid comes in a light yellow liquid form with an unpleasant odor. The 1-amino-2-naphthol-4-sulfonic acid is ideal for many purposes in professional, scientific and technical fields. Application: For Professional, Scientific and Technical Activities:…
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CAS No.: 130-22-3 Solubility: (20°C) soluble Molar Mass: 342.26 g/mol Hill Formula: C14H7NaO7S
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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…
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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
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Phenolphthalein, 0.5% (w/v), Volumetric
Reagents®Boiling Point: Approximately 77°C Density: 0.9 Melting Point: Approximately -90°C Color: Colorless liquid Physical State: Liquid Flash Point: 22°C pH Range: 8.0 (colorless) - 10.0 (pink) Solubility Information: Miscible Storage: Ambient DOT: UN1987, ALCOHOLS, N.O.S. (ETHANOL,…
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Alkali Blue (C.I. 42765) Indicator
MilliporeSigmaCAS No.: 1324-76-1 Molar Mass: 595.73 g/mol Hill Formula: C37H29N3O3S
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Methylene Blue (C.I. 52015) Reagent Ph Eur
MilliporeSigmaFormula: 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
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Bromothymol Blue, ACS
BeanTown ChemicalCAS: 76-59-5 EC No: 200-971-2 MDL No: MFCD00005872 RTECS: SJ4500000 Crystalline Molecular Formula: C27H28Br2O5S MW: 624.38 Melting Point: 200-202°
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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
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Grade: ACS, Reag. Ph Eur CAS No.: 3618-43-7 pH: 8.1 (10 g/l, H2O, 20°C) Solubility: 510 g/l (20°C) Molar Mass: 760.59 g/mol Bulk Density: 250 kg/m3 Hill Formula: C31H28N2Na4O13S
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Thymolphthalein, ACS
BeanTown ChemicalCAS: 125-20-2 EC No: 204-729-7 MDL No: MFCD00005909 Crystalline Molecular Formula: C28H30O4 MW: 430.55 Melting Point: 251-253° Density (g/mL): 0.92
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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:…
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pH 4.6 (pink) to pH 5.2 (blue-green). APHA for Alkalinity.
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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
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Methyl Orange, 1% (w/v), Volumetric
Reagents®Concentration: 1% w/v Composition: Water 99%, Methyl Orange, Sodium Salt 1% 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 Storage:…
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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 …
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The GFS Chemicals bromcresol solution comes in a light yellow liquid form with an unpleasant odor. The bromcresol solution is ideal for many purposes in professional, scientific and technical fields. Application: For Professional, Scientific and Technical Activities, other Professional, Scientific…
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Fluorescein Sodium (C.I. 45350) Indicator Reagent Ph Eur
MilliporeSigmaGrade: 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
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Phenolphthalein
MP BiomedicalsPhenolphthalein 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…
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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…
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m-Cresol Purple
BeanTown ChemicalCAS: 2303-01-7 EC No: 218-960-6 MDL No: MFCD00005871 Powder Molecular Formula: C21H18O5S MW: 382.44