Chemical Indicators
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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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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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pH 3.2 (purple) to pH 4.2 (green), 0.1%/0.26%
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Phenolphthalein, 0.5% (w/v), Volumetric
Reagents®Concentration: 0.5% w/v in 95% Ethanol Composition: Ethyl Alcohol 84.86%, Water 6.96%, Methyl Alcohol 3.58%, Methyl Isobutyl Ketone 1.89%, Ethyl Acetate 1.29%, Petroleum Ether 0.80%, Phenolphthalein 0.63% Boiling Point: Approximately 77°C Density: 0.8 Melting Point: Approximately -90°C …
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Potassium Chromate, Solution, 5%
GFS ChemicalsK2CrO4 CAS#: 7789-00-6 F.W.: 194.20 NFPA#: 4-0-2 Specific Gravity: 1.040 Indicator for volumetric chloride determination.
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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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Concentration: 0.04% w/v Composition: Water 99.96%, Bromophenol Blue, Sodium Salt 0.04% Boiling Point: Approximately 100°C Density: 1 Melting Point: Approximately 0°C Color: Dark reddish-purple liquid Physical State: Liquid pH Range: 3.0 (yellow) – 4.6 (blue) Solubility Information:…
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Concentration: 0.04% w/v Composition: Water 99.95%, Bromophenol Blue, Sodium Salt 0.04%, Sodium Hydroxide 0.01% Boiling Point: 100°C Density: 1 Melting Point: 0.0°C Color: Blue liquid Physical State: Liquid pH Range: 2.8 (yellow) – 4.6 (blue) Solubility Information: Miscible Shelf…
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Phenol Red, 0.04% (w/v), Volumetric
Reagents®Concentration: 0.04% w/v Composition: Water 99.96% , Phenol Red, Sodium Salt 0.04% Boiling Point: 100°C Density: 1 Melting Point: 0.0°C Color: Red-orange liquid Physical State: Liquid pH Range: 6.8 (yellow) – 8.2 (red) Solubility Information: Miscible Shelf Life: 24 Months …
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The Exaxol PAN indicator features a metal-free formulation and comes in a 100 mL bottle. It is mainly designed to use in chemical laboratories and research facilities. Application: For Laboratory use only
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pH 3.2 (red) to pH 4.4 (yellow). APHA, ASTM
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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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Safranine, 1% stain Aqueous
ExaxolThe Exaxol 1% safranine with a heavy metal-free formulation comes in a poly bottle and is an ideal solution to have in chemical laboratories and research facilities. Application: For Laboratory use only
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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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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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Dichlorofluorescein, Volumetric
Reagents®Composition: Ethyl Alcohol 49.29%, Water 45.40%, Isopropyl Alcohol 2.72%, Methyl Alcohol 2.46%, Dichlorofluorescein 0.11%, Sodium Hydroxide 0.01% Boiling Point: Approximately 82°C Density: 0.9 Color: Greenish-yellow liquid Physical State: Liquid Flash Point: 22°C Solubility Information:…
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Methyl Orange, 0.1% (w/v), Volumetric
Reagents®Concentration: 0.1% w/v Composition: Methyl Orange Sodium Salt 0.10%, Water 99.90% Boiling Point: 100°C Density: 1 Melting Point: 0.0°C Color: Orange liquid Physical State: Liquid pH Range: 3.2 (pink) – 4.4 (yellow) Solubility Information: Miscible Shelf Life: 36 Months Storage:…
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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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Iron Indicator Solution, Volumetric
Reagents®Concentration: 2% w/v Salicylic Acid in Methanol Composition: Methyl Alcohol 97.50%, Salicylic Acid 2.50% Boiling Point: Approximately 64.5°C Density: 0.8 Color: Colorless liquid Physical State: Liquid Flash Point: 12°C Solubility Information: Miscible Storage: Ambient DOT:…
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Phenolphthalein
MP BiomedicalsPhenolphthalein can be used in a 1% alcoholic solution as an indicator in titrations of mineral and organic acids and most alkalies. Not suitable for ammonia. Very sensitive to CO2; and, in estimating carbonates, the liquid must be boiled. Borax can be titrated with phenolphthalein as an…
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Bromothymol Blue, 1% (w/v), Volumetric
Reagents®Concentration: 1% w/v in Methanol Composition: Methyl Alcohol 98.75%, Bromothymol Blue Sodium Salt 1.25% Density: 0.8 Melting Point: -98°C Color: Blue to blue-green liquid Physical State: Liquid Flash Point: 11°C pH Range: 6.0 (yellow) – 7.6 (blue) Solubility Information: Miscible …
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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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pH 3.8 (yellow) to pH 5.4 (blue). Total Alkalinity indicator.
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Starch Indicator, 0.5% (w/v)
chemForce® (powered by Thomas Scientific)Harmonized #: 3822.00.0002 5090 Shelf Life (months): 12 Specific Gravity: 1.00 DOT: Not regulated Appearance: White translucent Physical State: Liquid Flash Point: Not applicable Solubility: Miscible Storage Temperature: Ambient Storage Code: General