Indicators, 25 g
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Amaranth Indicator
GFS ChemicalsThe GFS Chemicals amaranth comes in a light yellow liquid form with an unpleasant odor. The amaranth is ideal for many purposes in professional, scientific and technical fields. Application: For Professional, Scientific and Technical Activities, other Professional, Scientific and Technical Activities
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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 sodium salt, ACS
BeanTown ChemicalCAS: 34725-61-6 EC No: 252-170-2 MDL No: MFCD00013793 Crystalline Molecular Formula: C19H9Br4NaO5S MW: 691.94
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p-Nitophenol
MP Biomedicalsp-nitrophenol is used as an indicator in 0.1% alcohol solutions. 4-Nitrophenol is used as a precursor to prepare phenetidine, acetophenetidne and pH indicator. Its carboxylate ester derivatives are involved as an active component for the construction of amide moieties in peptide synthesis. It is…
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Methyl Orange, ACS
BeanTown ChemicalCAS: 547-58-0 EC No: 208-925-3 MDL No: MFCD00007502 RTECS: DB6327000 UN No: UN3143; Haz Class: 6.1; Packing Group: III Crystalline/Powder Molecular Formula: C14H14N3NaO3S MW: 327.34 Melting Point: >300°
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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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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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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 sodium salt
BeanTown ChemicalCAS: 62625-29-0 EC No: 263-654-8 MDL No: MFCD00001618 Powder Molecular Formula: C21H17NaO5S MW: 404.42 Melting Point: 250° (decomposes)
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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.: 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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Bromophenol Blue, ACS
BeanTown ChemicalCAS: 115-39-9 EC No: 204-086-2 MDL No: MFCD00005875 RTECS: SJ7453000 Crystalline Molecular Formula: C19H10Br4O5S MW: 669.96 Melting Point: 273° (decomposes)
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Methyl Red sodium salt, ACS
BeanTown ChemicalCAS: 845-10-3 EC No: 212-682-9 MDL No: MFCD00002426 Crystalline/Powder Molecular Formula: C15H14N3NaO2 MW: 291.29
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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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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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Metalphthalein (ACS)
GFS ChemicalsC32H32N2O12•nH2O CAS#: 2411-89-4 F.W.: 636.62 Cresolphthalein Complexone
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Resazurin, Sodium Salt
GFS ChemicalsC12H6NO4Na CAS#: 62758-13-8 F.W.: 251.18 NFPA#: 2-1-1 Certifiable
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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 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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Alizarin Red S
GFS ChemicalsThe GFS Chemicals alizarin red S comes in a light yellow liquid form with an unpleasant odor. The alizarin red S is ideal for many purposes in professional, scientific and technical fields. Application: For Professional, Scientific and Technical Activities, other Professional, Scientific and…
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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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Eosin Y (ACS)
GFS ChemicalsC20H6Br4Na2O5 CAS#: 17372-87-1 F.W.: 691.86 2',4',5',7'-Tetrabromofluorescein, Disodium Salt
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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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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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m-Cresol Purple sodium salt
BeanTown ChemicalCAS: 62625-31-4 EC No: 263-656-9 MDL No: MFCD00010177 Powder Molecular Formula: C21H17NaO5S MW: 404.42
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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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Xylenol Orange tetrasodium salt, ACS
BeanTown ChemicalCAS: 3618-43-7 EC No: 222-805-8 MDL No: MFCD00044293 Powder Molecular Formula: C31H28N2Na4O13S MW: 760.59 Melting Point: 195° (decomposes)