MilliporeSigma Chemical Indicators
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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
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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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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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Crystal Violet (C.I. 42555) Indicator ACS, Reagent Ph Eur
MilliporeSigmaGrade: ACS, Reag. Ph Eur CAS No.: 548-62-9 pH: 2.5 - 3.5 (10 g/l, H2O, 20°C) Solubility: 10 g/l (20°C) Melting Point: 189 - 194°C Molar Mass: 407.99 g/mol Bulk Density: 220 - 400 kg/m3 Density: 1.19 g/cm3 (20°C) Hill Formula: C25H30ClN3
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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 Indicator ACS, Reagent Ph Eur
MilliporeSigmaGrade: ACS, Reag. Ph Eur CAS No.: 76-59-5 Solubility: (20°C) insoluble Molar Mass: 624.38 g/mol Bulk Density: 450 kg/m3 Hill Formula: C27H28Br2O5S
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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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Congo Red (C.I. 22120) Indicator Reagent Ph Eur
MilliporeSigmaGrade: Reag. Ph Eur CAS No.: 573-58-0 pH: 6.7 (10 g/l, H2O, 20°C) Solubility: 25 g/l (20°C) Melting Point: >360°C Molar Mass: 696.68 g/mol Bulk Density: 600 - 700 kg/m3 Hill Formula: C32H22N6Na2O6S2
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Sudan III, C.I. 26100
MilliporeSigmaCAS No.: 85-86-9 Melting Point: 199°C (decomposition) Molar Mass: 352.39 g/mol Hill Formula: C22H16N4O
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Neutral Red (C.I. 50040) Indicator And For Microbiology
MilliporeSigmaCAS No.: 553-24-2 pH: 3.1 (10 g/l, H2O, 20°C) Solubility: 50 g/l (25°C) Molar Mass: 288.78 g/mol Bulk Density: 350 - 500 kg/m3 Hill Formula: C15H17ClN4
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Phthalein Purple Metal Indicator Reagent Ph Eur
MilliporeSigmaGrade: Reag. Ph Eur CAS No.: 2411-89-4 Solubility: (20°C) insoluble Melting Point: 186°C Molar Mass: 636.62 g/mol Bulk Density: 50 kg/m3 Hill Formula: C32H32N2O12
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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
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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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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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Bromophenol Blue Indicator ACS, Reagent Ph Eur
MilliporeSigmaGrade: ACS, Reag. Ph Eur CAS No.: 115-39-9 Solubility: (20°C) practically insoluble Melting Point: 273°C (decomposition) Molar Mass: 669.96 g/mol Bulk Density: 730 kg/m3 Hill Formula: C19H10Br4O5S
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Solubility: (20°C) soluble
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M-Cresol Purple Indicator
MilliporeSigmaCAS No.: 2303-01-7 Solubility: (20°C) slightly soluble Molar Mass: 382.43 g/mol Bulk Density: 480 kg/m3 Hill Formula: C21H18O5S
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pH: 2.5 (50 g/l, H2O, 20°C) Solubility: (20°C) soluble Density: 1.01 g/cm3 (20°C)
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EMSURE® Phenylhydrazinium chloride for analysis
MilliporeSigmaGrade: Reag. Ph Eur Synonyms: Phenylhydrazine hydrochloride Hill Formula: C6H9ClN2 CAS Number: 59-88-1 UN Number: UN2811
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Calcein Indicator For Metal Determination
MilliporeSigmaCAS No.: 1461-15-0 Solubility: (20°C) slightly soluble Molar Mass: 622.55 g/mol Bulk Density: 600 kg/m3 Hill Formula: C30H26N2O13
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Bromocresol Green Indicator ACS, Reagent Ph Eur
MilliporeSigmaGrade: 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
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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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Dimidium Bromide For Surfactant Tests
MilliporeSigmaCAS No.: 518-67-2 Solubility: (20°C) soluble Melting Point: 242°C Molar Mass: 380.28 g/mol Bulk Density: 380 kg/m3 Hill Formula: C20H18BrN3
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Methyl Orange (C.I. 13025) Indicator ACS, Reagent Ph Eur
MilliporeSigmaGrade: ACS, Reag. Ph Eur CAS No.: 547-58-0 pH: 6.5 (5 g/l, H2O, 20°C) Solubility: 5 g/l (20°C) Melting Point: >300°C Molar Mass: 327.34 g/mol Bulk Density: 200 - 400 kg/m3 Hill Formula: C14H14N3NaO3S
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Thymol Blue Indicator ACS, Reagent Ph Eur
MilliporeSigmaGrade: ACS, Reag. Ph Eur CAS No.: 76-61-9 Solubility: 0.11 g/l (25°C) Melting Point: 221°C (decomposition) Molar Mass: 466.59 g/mol Bulk Density: 350 kg/m3 Hill Formula: C27H30O5S
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Grade: ACS CAS No.: 6152-67-6 pH: 5.7 (10 g/l, H2O, 20°C) Solubility: 820 g/l (20°C) Melting Point: 200°C Molar Mass: 271.26 g/mol Bulk Density: 160 kg/m3 Hill Formula: C12H10NNaO3S
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Phenol Red Sodium Salt Indicator ACS
MilliporeSigmaGrade: ACS CAS No.: 34487-61-1 Solubility: 100 g/l (20°C) Melting Point: 285°C Molar Mass: 376.35 g/mol Hill Formula: C19H13NaO5S
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Phenol Red Solution Indicator
MilliporeSigmapH: 7.0 - 7.3 (H2O, 20°C) Solubility: (20°C) soluble Density: 0.99 g/cm3 (20°C)
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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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Cresol Red Indicator Reagent Ph Eur
MilliporeSigmaGrade: Reag. Ph Eur CAS No.: 1733-12-6 Solubility: (20°C) slightly soluble Melting Point: 290°C decomposes Molar Mass: 382.43 g/mol Bulk Density: 600 - 620 kg/m3 Hill Formula: C21H18O5S
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Thymolphthalein Indicator ACS, Reagent Ph Eur
MilliporeSigmaGrade: ACS, Reag. Ph Eur CAS No.: 125-20-2 Solubility: (20°C) practically insoluble Melting Point: 253°C Molar Mass: 430.54 g/mol Bulk Density: 400 kg/m3 Hill Formula: C28H30O4