MilliporeSigma Chemical Indicators
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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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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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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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Alkali Blue (C.I. 42765) Indicator
MilliporeSigmaCAS No.: 1324-76-1 Molar Mass: 595.73 g/mol Hill Formula: C37H29N3O3S
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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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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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Bromocresol Green Sodium Salt Indicator Water-Soluble ACS
MilliporeSigmaGrade: ACS CAS No.: 62625-32-5 Molar Mass: 719.99 g/mol Hill Formula: C21H13Br4NaO5S
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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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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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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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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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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
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Calcon (C.I.15705) Metal Indicator
MilliporeSigmaCAS No.: 2538-85-4 pH: 9.4 (10 g/l, H2O, 25°C) Solubility: 20 g/l (20°C) Molar Mass: 416.39 g/mol Bulk Density: 530 kg/m3 Hill Formula: C20H13N2NaO5S
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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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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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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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1-Naphtholphthalein Indicator
MilliporeSigmaCAS No.: 596-01-0 Solubility: (20°C) practically insoluble Melting Point: 253 - 255°C Molar Mass: 418.45 g/mol Bulk Density: 350 kg/m3 Hill Formula: C28H18O4
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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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Quinaldine Red Indicator Reagent Ph Eur
MilliporeSigmaGrade: Reag. Ph Eur CAS No.: 117-92-0 Solubility: (20°C) practically insoluble Melting Point: 240°C (decomposition) Molar Mass: 430.33 g/mol Bulk Density: 290 kg/m3 Hill Formula: C21H23IN2
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Fluorescent Indicator F254
MilliporeSigmaCAS 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)
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2',7'-Dichlorofluorescein Indicator ACS, Reagent Ph Eur
MilliporeSigmaCAS No.: 76-54-0 Solubility: (20°C) insoluble Molar Mass: 401.2 g/mol Bulk Density: 390 kg/m3 Hill Formula: C20H10Cl2O5
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Bromophenol Red Indicator
MilliporeSigmaCAS No.: 2800-80-8 Solubility: (20°C) slightly soluble Melting Point: 230°C (decomposition) Molar Mass: 512.18 g/mol Bulk Density: 770 kg/m3 Hill Formula: C19H12Br2O5S
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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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Arsenazo III Metal Indicator
MilliporeSigmaCAS 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
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Metanil Yellow Reagent Ph Eur
MilliporeSigmaGrade: Reag. Ph Eur CAS No.: 587-98-4 pH: 10 (10 g/l, H2O, 20°C) Solubility: 25 g/l (20°C) Molar Mass: 375.38 g/mol Bulk Density: 330 kg/m3 Hill Formula: C18H14N3NaO3S
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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