Chemical Indicators
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Methyl Red, 0.02% (w/v), Volumetric
Reagents®Concentration: 0.02% w/v Composition: Water 99.98%, Methyl Red, Sodium Salt 0.02% Boiling Point: 100°C Density: 1 Melting Point: 0.0°C Color: Orange to dark red liquid Physical State: Liquid pH Range: 4.2 (pink) – 6.2 (yellow) Solubility Information: Miscible Shelf Life: 24 Months…
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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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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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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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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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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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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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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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Thymolphthalein, 0.2% (w/v), Volumetric
Reagents®Concentration: 0.2% w/v Composition: Methyl Alcohol 99.75%, Thymolphthalein 0.25% Density: 0.8 Melting Point: -98°C Color: Colorless liquid Physical State: Liquid Flash Point: 11°C Solubility Information: Miscible Shelf Life: 36 Months Storage: Ambient DOT: UN1230, METHANOL…
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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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NINHYDRIN, Monohydrate, 500 g
MP BiomedicalsNinhydrin is used for the detection of free amino groups in amino acids, peptides and proteins and in assay of peptides, amino acids, amino sugars and amines. It is commonly used for the development of fingermarks on porous surfaces and is often used in comparison with other latent fingerprint…
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Phenolphthalein, 3% (w/v), Volumetric
Reagents®Concentration: 3% in 95% Ethanol Composition: Ethyl Alcohol 90.48%, Methyl Alcohol 4.76%, Water 4.76% Boiling Point: 78.3°C Density: 0.8 Melting Point: -114°C Color: Colorless liquid Physical State: Liquid Flash Point: 14°C pH Range: 8.0 (colorless) - 10.0 (pink) Solubility…
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Bromocresol Purple sodium salt solution, 0.04% w/v in water
BeanTown ChemicalCAS: 62625-30-3 MDL No: MFCD00148896 Liquid Molecular Formula: C21H15Br2NaO5S MW: 562.20 Density (g/mL): 0.991
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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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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 …
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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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Starch-Iodide Solution
Reagents®Composition: Water 98.75%, Starch Soluble 1%, Potassium Iodide 0.25% Boiling Point: 100°C Density: 1 Melting Point: 0.0°C Color: White translucent liquid Physical State: Liquid Solubility Information: Miscible Shelf Life: 6 Months Storage: Ambient DOT: NOT REGULATED.
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Concentration: 0.04% w/v Composition: Water 99.96%, Bromocresol Green, Sodium Salt 0.04% Boiling Point: 100°C Density: 1 Melting Point: 0.0°C Color: Dark blue liquid Physical State: Liquid pH Range: 3.8 (yellow) – 5.4 (blue) Solubility Information: Miscible Shelf Life: 24 Months …
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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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Methyl Red Solution, 0.1% Aqueous
GFS ChemicalsC15H14N3O2Na CAS#: 845-10-3 F.W.: 291.29 Visual transition pH 4.2-6.2, pink-yellow
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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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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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Methyl Orange / Xylene Cyanole Solution
GFS ChemicalsMethyl Orange 0.1%, Xylene Cyanole 0.26% in Water
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Eosin Y (ACS)
GFS ChemicalsC20H6Br4Na2O5 CAS#: 17372-87-1 F.W.: 691.86 2',4',5',7'-Tetrabromofluorescein, Disodium Salt
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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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pH: 6 (H2O, 20°C) Solubility: (20°C) soluble Density: 1.00 g/cm3 (20°C)
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Concentration: 0.04% w/v Composition: Water 99.93%, Bromocresol Purple 0.04%, Sodium Hydroxide 0.03% Boiling Point: 100°C Density: 1 Melting Point: 0.0°C Color: Purple liquid Physical State: Liquid pH Range: 5.2 (yellow) – 6.8 (purple) Solubility Information: Miscible Shelf Life:…
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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: 0.1% w/v Composition: Water 99.90%, Calmagite 0.10% Boiling Point: 100°C Density: 1 Melting Point: 0.0°C Color: Red liquid Physical State: Liquid Solubility Information: Miscible Shelf Life: 24 Months Storage: Ambient Chemical: 120mL DOT: NOT REGULATED.
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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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Metalphthalein (ACS)
GFS ChemicalsC32H32N2O12•nH2O CAS#: 2411-89-4 F.W.: 636.62 Cresolphthalein Complexone