Indicators, 25 g
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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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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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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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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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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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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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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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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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Methyl Red, ACS
BeanTown ChemicalCAS: 493-52-7 EC No: 207-776-1 MDL No: MFCD00002425 RTECS: DG8960000 Crystalline Molecular Formula: C15H15N3O2 MW: 269.30 Melting Point: 179-182°
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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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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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Ninhydrin Reagent (ACS)
GFS Chemicals2,2-Dihydroxy-1,3-indanedione;1,2,3-Indanetrione monohydrate. Indicator for amines.
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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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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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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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Alkali Blue (C.I. 42765) Indicator
MilliporeSigmaCAS No.: 1324-76-1 Molar Mass: 595.73 g/mol Hill Formula: C37H29N3O3S
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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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Thymol Blue, Sodium Salt Reagent (ACS)
GFS ChemicalsThymolsulfonphthalein. Water soluble pH indicator.
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Variamine Blue B (ACS)
GFS ChemicalsCH3OC6H4NHC6H4NH2•HCl CAS#: 3566-44-7 F.W.: 250.73 N-[p-Methoxyphenyl]-p-phenylenediamine hydrochloride
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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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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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Cresol Red
GFS ChemicalsC21H17O5SNa CAS#: 62625-29-0 F.W.: 404.42 Descriptions: o-Cresolsulfonphthalein. Water soluble pH indicator.
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Naphthol Green B (ACS)
GFS ChemicalsFe(C10H5NO5SNa)3 CAS#: 19381-50-1 F.W.: 878.47 (Acid Green 1, C.I. 10020). Suitable for complexometry.