Chemical Indicators
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Whatman QIAcard™ FTA™ Sample Cards
MilliporeSigmaFTA ™ Cards offer a compact room-temperature storage system that reduces the need for precious freezer space. QIAcard ™ FTA ™ classic QIAcard ™ FTA ™ classic format with 4 spot area to collect, stabilize, process, transport, and archive colored samples…
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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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Ferric-Alum Indicator
ExaxolThe Exaxol ferric-alum indicator features a metal-free formulation and comes in an impact-resistant bottle. It is mainly designed to use in chemical laboratories and research facilities. Application: For Laboratory use only
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Grade: ACS CAS No.: 6152-67-6 pH: 5.7 (10 g/l, H2O, 20°C) Solubility: 820 g/l (20°C) Melting Point: 200°C Molar Mass: 271.26 g/mol Bulk Density: 160 kg/m3 Hill Formula: C12H10NNaO3S
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Starch Indicator, 1% (w/v)
chemForce® (powered by Thomas Scientific)Harmonized #: 3822.00.0002 5090 Shelf Life (months): 12 Specific Gravity: 1.01 DOT: Not regulated Appearance: White translucent Physical State: Liquid Flash Point: Not applicable Solubility: Miscible Storage Temperature: Ambient Storage Code: General
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Phenolphthalein, 2% (w/v), Volumetric
Reagents®Concentration: 2% w/v in Denatured Ethanol Composition: Ethyl Alcohol 83.27%, Water 6.83%, Methyl Alcohol 3.51%, Phenolphthalein 2.50%, Methyl Isobutyl Ketone 1.85%, Ethyl Acetate 1.27%, Petroleum Ether 0.78% Boiling Point: Approximately 77°C Density: 0.8 Melting Point: Approximately -90°C …
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Bromophenol Blue, 0.5% (w/w), Volumetric
Reagents®Concentration: 0.5% w/w in Isopropyl Alcohol Composition: Isopropyl Alcohol 99.50%, Bromophenol Blue, free acid 0.50% Boiling Point: Approximately 82°C Density: 0.8 Melting Point: Approximately -90°C Color: Yellow-orange liquid Physical State: Liquid Flash Point: 12°C pH Range: 3.0…
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Starch Indicator, 2% (w/v), Volumetric
Reagents®Concentration: 2% w/v Composition: Water 97.92%, Chloroform 1.96%, Starch Soluble 0.12% Boiling Point: Approximately 100°C Density: 1.02 Melting Point: Approximately 0°C Color: White translucent liquid Physical State: Liquid Solubility Information: Miscible Shelf Life: 12 Months …
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pH 3.2 (red) to pH 4.4 (yellow). APHA, ACS RS
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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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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
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Methylene Blue (C.I. 52015) Reagent Ph Eur
MilliporeSigmaFormula: C16H18ClN3S * x H2O (x=2-3) Grade: Reag. Ph Eur pH: 3 (10 g/l, H2O, 20°C) Solubility: 50 g/l (20°C) Melting Point: 180°C (decomposition) Molar Mass: 319.86 g/mol (anhydrous) Bulk Density: 400 - 600 kg/m3 Hill Formula: C16H18ClN3S * x H2O
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pH 3.8 (yellow) to pH 5.4 (blue). Total Alkalinity indicator.
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Chloramine T (ACS)
GFS ChemicalsCH3C6H4SO2NClNa•3H2O CAS#: 7080-50-4 F.W.: 281.70 NFPA#: 3-1-2 Descriptions: (N-chloro-p-toluenesulfonamide, sodium salt)
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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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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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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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Concentration: 0.08% w/v in Isopropanol Composition: Isopropyl Alcohol 99.90%, Dichlorofluorescein 0.10% Boiling Point: 82.5°C Density: 0.8 Melting Point: -90°C Color: Greenish-yellow liquid Physical State: Liquid Flash Point: 12°C Solubility Information: Miscible Shelf Life: 120…
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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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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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Starch Water Indicator, Volumetric
Reagents®Composition: Water 99.87%, Starch Soluble 0.13%, Salicylic Acid 0% Boiling Point: 100°C Density: 1 Melting Point: 0.0°C Color: White translucent liquid Physical State: Liquid Solubility Information: Miscible Shelf Life: 12 Months Storage: Ambient DOT: NOT REGULATED.
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pH: 6 (H2O, 20°C) Solubility: (20°C) soluble Density: 1.00 g/cm3 (20°C)
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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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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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Metanil Yellow, 0.10%
Reagents®Concentration: 0.1% Composition: Water 99.90%, Metanil Yellow 0.10% Boiling Point: Approximately 100°C Density: 1 Melting Point: Approximately 0°C Color: Yellow liquid Physical State: Liquid pH Range: 1.2 (red) - 2.3 (yellow) Solubility Information: Miscible Shelf Life: 24 Months …