Stains Dyes and Indicators

Rhodamine 123, +99%, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Rhodamine 123 Name Note: 99+% CAS: 62669-70-9 Purity Grade: Extra Pure Assay Percent Range: 99+% Molecular Formula: C21H17ClN2O3 Formula Weight: 380.82 MDL Number: MFCD00012664

Thermo Scientific™ Richard-Allan Scientific™ Iron Stain Available on GSA/VA Contract for Federal Government customers only.

Detect the presence of ferric iron (hemosiderin) in histological or hematological preparations with Thermo Scientific™ Richard-Allan Scientific™ Iron Stain.

Thermo Scientific™ Richard-Allan Scientific™ Mark-It™ Tissue Marking Dyes Available on GSA/VA Contract for Federal Government customers only.

For a variety of tissue identification purposes use Thermo Scientific™ Richard-Allan Scientific™ Mark-It™ Tissue Marking Dyes.

New Methylene Blue N, zinc chloride double salt, pure, ACROS Organics™

Chemical Name or Material: New Methylene Blue N, zinc chloride double salt CAS: 1711654 Purity Grade: Pure Molecular Formula: 0·5 ZnCl2 Formula Weight: 416.04 MDL Number: MFCD00078135 Synonym: Basic Blue 24

Bromothymol Blue, Sodium Salt Products for Science Education

Chemical Name or Material: Bromothymol Blue, Sodium Salt CAS: 34722-90-2 Purity Grade: Reagent Grade Assay Percent Range: 100% w/v Linear Formula: C27H27Br2O5SNa Formula Weight: 646.04

Rhodanine 99%, ACROS Organics™

Chemical Name or Material: Rhodanine Name Note: 99% CAS: 141-84-4 Assay: ≥98.5% Assay Percent Range: 99% Molecular Formula: C3H3NOS2 Formula Weight: 133.2 MDL Number: MFCD00005488 Synonym: 2-Thioxo-4-thiazolidinone

Carminic acid, 70-90%, ACROS Organics™

Chemical Name or Material: Carminic acid Name Note: 70-90% CAS: 1260-17-9 Assay: ≥70% Assay Percent Range: 70-90% Molecular Formula: C22H20O13 Formula Weight: 492.39 MDL Number: MFCD00167028 Synonym: C.I. 75470

Thymolphthalein, Indicator, Pure, ACROS Organics™

Chemical Name or Material: Thymolphthalein Name Note: Indicator CAS: 125-20-2 Purity Grade: Extra Pure Molecular Formula: C28H30O4 Formula Weight: 430.53 MDL Number: MFCD00005909 Synonym: TP

Bromophenol Blue, Indicator, Pure, ACROS Organics™

Chemical Name or Material: Bromophenol Blue Name Note: Indicator CAS: 115-39-9 Purity Grade: Pure Molecular Formula: C19H10Br4O5S Formula Weight: 669.96 MDL Number: MFCD00005875 Synonym: 3', 3'', 5'

Fisher HealthCare™ Pinnacle Portfolio Hematoxylin Stain+ Available on GSA/VA Contract for Federal Government customers only.

Uniquely formulated product yields results which exceed that of Gill or Harris hematoxylins

Nile Red 99%, ACROS Organics™

Chemical Name or Material: Nile Red Name Note: 99% CAS: 7385-67-3 CAS Min %: 98.5 CAS Max %: 100.0 Purity Grade: Extra Pure Assay Percent Range: 99% Molecular Formula: C20H18N2O2 Formula Weight: 318.38 MDL Number: MFCD00011639 Synonym: Nile blue A oxazone

m-Cresol Purple, pure, indicator grade, ACROS Organics™

Chemical Name or Material: m-Cresol Purple CAS: 2303-01-7 Purity Grade: Pure Molecular Formula: C21H18O5S Formula Weight: 382.42 MDL Number: MFCD00005871

Erythrosin B

Chemical Name or Material: Erythrosin B CAS: 568-63-8 Molecular Formula: C20H6I4Na2O5 Formula Weight: 879.87 MDL Number: MFCD00144257

Thermo Scientific™ Richard-Allan Scientific™ Periodic Acid-Schiff (PAS) Available on GSA/VA Contract for Federal Government customers only.

Demonstrate the patterns and presence of specific carbohydrates with Thermo Scientific™ Richard-Allan Scientific™ Periodic Acid-Schiff (PAS) Solution

Basic Fuchsin, 88%, pure, ACROS Organics™

Chemical Name or Material: Basic Fuchsin Name Note: 88% CAS: 632-99-5 CAS Min %: 83.0 CAS Max %: 100.0 Purity Grade: Pure Assay Percent Range: 88% Molecular Formula: C20H19N3·HCl Formula Weight: 337.84 MDL Number: MFCD00012569 Synonym: Basic Violet 14, hydrochloride

Methyl Purple Solution (Certified), Fisher Chemical

Chemical Name or Material: Methyl Purple Solution CAS: 845-10-3 CAS: 3486-30-4 CAS: 67-63-0 CAS: 7732-18-5 Purity Grade: Certified Grade MDL Number: MFCD00070843

Carmine, Pure, Certified (Alum Lake of Carminic Acid), ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Carmine CAS: 1390-65-4 Purity Grade: Pure MDL Number: MFCD00167031 Synonym: C.I. 75470

Thermo Scientific™ Lab Vision™ Mayer's Hematoxylin

Designed for use in histological applications, Thermo Scientific™ Lab Vision™ Mayer's Hematoxylin provides superior quality.

Bromophenol Red, pure, ACROS Organics™

Chemical Name or Material: Bromophenol Red CAS: 2800-80-8 Purity Grade: Pure Molecular Formula: C19H12Br2O5S Formula Weight: 512.19 MDL Number: MFCD00023014 Synonym: 5', 5''-Dibromophenolsulfonphthalein

Nitro Blue Tetrazolium Chloride monohydrate, 90%, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Nitro Blue Tetrazolium Chloride monohydrate CAS: 298-83-9 CAS Min %: 88.0 CAS Max %: 100.0 CAS: 67-56-1 CAS: 7732-18-5 Assay: ≥88% Assay Percent Range: 90% Molecular Formula: H2O·CH4O Formula Weight: 867.69 MDL Number: MFCD00150013 Synonym: Nitro BT

Solvent Blue 38

Chemical Name or Material: Fast Blue CAS: 1328-51-4 MDL Number: MFCD00071424

Coumarin, 99+%, ACROS Organics™

Chemical Name or Material: Coumarin Name Note: 99+% CAS: 91-64-5 Assay: ≥99.0% Assay Percent Range: 99+% Molecular Formula: C9H6O2 Formula Weight: 146.15 MDL Number: MFCD00006850 Synonym: 2H-1-Benzopyran-2-one

Bromocresol Purple, sodium salt, pure, water soluble, indicator, ACROS Organics™

Chemical Name or Material: Bromocresol Purple, sodium salt Name Note: Water soluble, Indicator, Pure CAS: 62625-30-3 Purity Grade: Pure Molecular Formula: C21H15Br2NaO5S Formula Weight: 562.2 MDL Number: MFCD00148896 Synonym: 5';, 5';';-Dibromo-o-cresolsulfonephthalein, sodium salt

Carmine, High Purity Biological Stain (Alum Lake of Carminic Acid), ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Carmine CAS: 1390-65-4 Purity Grade: Pure Assay: ≥42.0% (carminic acid) MDL Number: MFCD00167031 Synonym: C.I. 75470

Thermo Scientific™ Shandon™ OG-6 Stain

Obtain maximum performance andmaximum value with Thermo Scientific™ Shandon™ OG-6 Stain, a biological stain commission-certified dye.

Methyl Violet 2B, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Methyl Violet 2B Name Note: Pure CAS: 8004-87-3 Purity Grade: Extra Pure Molecular Formula: C24H28ClN3 Formula Weight: 393.95 MDL Number: MFCD00012568 Synonym: Basic Violet 1

Biebrich Scarlet, dye content approx. 70%, ACROS Organics™

Chemical Name or Material: Biebrich Scarlet Name Note: 99% CAS: 4196-99-0 Assay Percent Range: 99% Molecular Formula: C22H14N4Na2O7S2 Formula Weight: 556.48 MDL Number: MFCD00003891 Synonym: Acid Red 66

Bromophenol Blue sodium salt, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Bromophenol Blue, sodium salt Name Note: Pure CAS: 62625-28-9 Purity Grade: Pure Molecular Formula: C19H9Br4NaO5S Formula Weight: 691.94 MDL Number: MFCD00013793 Synonym: 3',3'',5',5''-Tetrabromophenolsulfonephthalein

Sudan III Products for Science Education

Chemical Name or Material: Sudan III CAS: 85-86-9 Assay Percent Range: >99% Molecular Formula: C22H16N4O Linear Formula: C22H16N4O Formula Weight: 352.4 Synonym: 2-Naphthalenol

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