Indicators, MilliporeSigma, 25 g
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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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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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Disulfine Blue Vn 150 (C.I.42045) For Surfactant Tests
MilliporeSigmaCAS 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
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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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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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Phenolphthalein Indicator ACS, Reagent Ph Eur
MilliporeSigmaGrade: ACS, Reag. Ph Eur CAS No.: 77-09-8 pH: Solubility: 3.36 mg/l (20°C) Melting Point: 263.7°C Molar Mass: 318.32 g/mol Bulk Density: 350 - 450 kg/m3 Density: 1.296 g/cm3 (20°C) Hill Formula: C20H14O4
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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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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
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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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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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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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Methyl Red (C.I. 13020) Indicator ACS, Reagent Ph Eur
MilliporeSigmaGrade: ACS, Reag. Ph Eur CAS No.: 493-52-7 Solubility: (20°C) slightly soluble Melting Point: 178 - 182°C Molar Mass: 269.31 g/mol Bulk Density: 300 - 500 kg/m3 Hill Formula: C15H15N3O2
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Calconcarboxylic Acid Metal Indicator
MilliporeSigmaSolubility: 8 g/l (20°C) Melting Point: 300°C Molar Mass: 474.45 g/mol Bulk Density: 400 kg/m3 Hill Formula: C21H14N2O7S * 2 H2O
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Titan Yellow (C.I. 19540) Indicator Reagent Ph Eur
MilliporeSigmaGrade: Reag. Ph Eur CAS No.: 1829-00-1 pH: 5.1 (10 g/l, H2O, 20°C) Solubility: 29 g/l (24°C) Melting Point: >300°C (decomposition) Molar Mass: 695.7 g/mol Bulk Density: 310 kg/m3 Hill Formula: C28H19N5Na2O6S4
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Indigo Carmine (C.I. 73015) For Analysis
MilliporeSigmaCAS 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
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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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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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Phenol Red Indicator ACS
MilliporeSigmaFormula: (C6H4OH)2C7H4SO3 Grade: ACS CAS No.: 143-74-8 Solubility: 0.77 g/l (100°C) Melting Point: >300°C Molar Mass: 354.38 g/mol Bulk Density: 200 - 300 kg/m3 Hill Formula: C19H14O5S
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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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Bromocresol Purple Indicator ACS, Reagent Ph Eur
MilliporeSigmaGrade: ACS, Reag. Ph Eur CAS No.: 115-40-2 Solubility: (20°C) slightly soluble Melting Point: 242°C Molar Mass: 540.22 g/mol Bulk Density: 515 kg/m3 Hill Formula: C21H16Br2O5S
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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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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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3-Nitrophenol Indicator
MilliporeSigmaFormula: 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 …
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Naphthol Green B (C.I. 10020) Indicator
MilliporeSigmaCAS No.: 19381-50-1 pH: 9.3 (10 g/l, H2O, 20°C) Solubility: 160 g/l (20°C) Molar Mass: 878.46 g/mol Bulk Density: 620 kg/m3 Hill Formula: C30H15FeN3Na3O15S3
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Methyl Red Sodium Salt (C.I. 13020) Water-Soluble ACS
MilliporeSigmaGrade: ACS CAS No.: 845-10-3 pH: 8.2 (10 g/l, H2O, 25°C) Solubility: 800 g/l (25°C) Molar Mass: 291.29 g/mol Bulk Density: 360 kg/m3 Hill Formula: C15H14N3NaO2
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Eriochrome Blue-Black B (C.I. 14640) Metal Indicator
MilliporeSigmaCAS 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