Indicators, 1 g
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Phenol Red (Phenolsulfonphthalein) Reagent Ph Eur
MilliporeSigmaFormula: (C6H4OH)2C7H4SO3 Grade: Reag. Ph Eur 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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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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Methylthymol Blue Sodium Salt Metal Indicator
MilliporeSigmaCAS No.: 1945-77-3 pH: 6.2 (10 g/l, H2O, 20°C) Solubility: 460 g/l (20°C) Melting Point: 844.76 g/mol Molar Mass: 570 kg/m3 Hill Formula: C37H40N2Na4O13S
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2',7'-Dichlorofluorescein (ACS)
GFS ChemicalsC20H10Cl2O5 CAS#: 76-54-0 F.W.: 401.20 2',7'-Dichloro-3,6-fluorandiol
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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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Bromophenol Blue
Reagents®Composition: Bromophenol Blue 100% Grade: ACS Reagent Boiling Point: 279 °C CAS Number: 115-39-9 Density: 0.95 Chemical Formula: C19H10Br4O5S Molecular Weight: 669.9g/mol Melting Point: 273 °C Color: Pale orange solid Physical State: Solid pH Range: 3.0 (yellow) – 4.6 (blue) …
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Azomethine-H hydrate
BeanTown ChemicalCAS: 32266-60-7 EC No: 250-975-3 MDL No: MFCD00066536 Crystalline Molecular Formula: C17H13NO8S2·xH2O MW: 423.40 (anhydrous)
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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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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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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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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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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 Purple, ACS Reagent
Reagents®Composition: Bromocresol Purple indicator 100% Grade: ACS Reagent CAS Number: 115-40-2 Density: 0.991 Chemical Formula: C21H16Br2O5S Molecular Weight: 540.22g/mol Melting Point: 240°C (Decomposes) Color: Light yellow-tan solid Physical State: Solid pH Range: 5.2 (yellow) – 6.8…
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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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alpha-Naphtholphthalein
BeanTown ChemicalCAS: 596-01-0 EC No: 209-875-5 MDL No: MFCD00036202 Powder Molecular Formula: C28H18O4 MW: 418.45 Melting Point: 238-240°
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5,10,15,20-Tetraphenyl-21H,23H-Porphine, 97%
GFS Chemicals(C6H5)4C20H10N4 CAS#: 917-23-7 F.W.: 614.75 TPP. Contains 1-3% of the corresponding chlorin.
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Tetrabromophenol Blue
BeanTown ChemicalCAS: 4430-25-5 EC No: 224-622-9 MDL No: MFCD00005876 Powder Molecular Formula: C19H6Br8O5S MW: 985.55 Melting Point: 203-205° (decomposes)
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4,5,6,7-Tetrachlorofluorescein
BeanTown ChemicalCAS: 6262-21-1 EC No: 228-413-3 MDL No: MFCD00010030 Powder Molecular Formula: C20H8Cl4O5 MW: 470.10 Melting Point: 304° (decomposes)
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Alizarin Complexone, may contain up to 10% water
BeanTown ChemicalCAS: 3952-78-1 EC No: 223-544-2 MDL No: MFCD00001202 RTECS: AH0585000 Powder Molecular Formula: C19H15NO8 MW: 385.32