Indicators, 25 g
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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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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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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-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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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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Bromocresol Green, ACS, Dye content 95%
BeanTown ChemicalCAS: 76-60-8 EC No: 200-972-8 MDL No: MFCD00005874 RTECS: SJ7456000 Powder Molecular Formula: C21H14Br4O5S MW: 698.01 Melting Point: 225° (decomposes)
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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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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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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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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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m-Cresol Purple
BeanTown ChemicalCAS: 2303-01-7 EC No: 218-960-6 MDL No: MFCD00005871 Powder Molecular Formula: C21H18O5S MW: 382.44
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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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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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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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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)
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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 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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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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Resazurin, Sodium Salt
GFS ChemicalsC12H6NO4Na CAS#: 62758-13-8 F.W.: 251.18 NFPA#: 2-1-1 Certifiable
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Ninhydrin Reagent (ACS)
GFS Chemicals2,2-Dihydroxy-1,3-indanedione;1,2,3-Indanetrione monohydrate. Indicator for amines.
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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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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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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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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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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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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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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