Stains Dyes and Indicators

Bromothymol Blue sodium salt, 0.04% w/v aqueous solution, Alfa Aesar™

Chemical Name or Material: Bromothymol Blue sodium salt CAS: 34722-90-2 Physical Form: Liquid Molecular Formula: C27H27Br2NaO5S Formula Weight: 646.38 MDL Number: MFCD00077263

Thermo Scientific™ Shandon™ Gill™ Hematoxylin Available on GSA/VA Contract for Federal Government customers only.

Achieve fast and convenient results, while maintaining complete control over stain intensity with Thermo Scientific™ Shandon™ Gill™ Hematoxylin, which has mucoid staining.

Methyl Red, ACS reagent, ACROS Organics™

Chemical Name or Material: Methyl Red Name Note: Pure CAS: 493-52-7 Purity Grade: ACS Reagent Grade Molecular Formula: C15H15N3O2 Linear Formula: (CH3)2NC6H4N=NC6H4CO2H Formula Weight: 269.3 MDL Number: MFCD00002425 Synonym: 2-[4-(Dimethylamino)phenylazo]benzoic acid

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

Phenolphthalein, 0.5% w/v in alcohol, Alfa Aesar™

Chemical Name or Material: Phenolphthalein CAS: 77-09-8 Physical Form: Liquid Molecular Formula: C20H14O4 Formula Weight: 318.33 MDL Number: MFCD00005913

Thermo Scientific™ Shandon™ Eosin Y Cytoplasmic Counterstain Available on GSA/VA Contract for Federal Government customers only.

Produce brilliant staining with Thermo Scientific™ Shandon™ Eosin-Y, a fast-acting cytoplasmic counterstain.

Thermo Scientific™ Richard-Allan Scientific™ Modified Harris Hematoxylin

Use Thermo Scientific™ Richard-Allan Scientific™ Modified Harris Hematoxylin, a regressive nuclear stain, for both histology and cytology.

Thermo Scientific™ Shandon™ Kwik-Diff™ Stains Available on GSA/VA Contract for Federal Government customers only.

Enjoy a quicker alternative to traditional Wright's and Giemsa Staining procedures with Thermo Scientific™ Shandon™ Kwik-Diff™ Stains.

Fuchsin Basic (Pararosaniline/Certified Biological Stain), Fisher Chemical

Chemical Name or Material: Fuchsin Basic CAS: 632-99-5 Purity Grade: Certified Biological Stain Physical Form: Solid Molecular Formula: C20H19N3 · HCl MDL Number: MFCD00001657 Synonym: Magenta

Thermo Scientific™ Richard-Allan Scientific™ Dry Powder Stains

Stain specimens with Eosin-Y or Wright compounds with Thermo Scientific™ Richard-Allan Scientific™ Dry Powder Stains, certified by the Biological Stain Commission.

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

Determine the presence of spirochetes and nonfilamentous bacteria with Thermo Scientific™ Richard-Allan Scientific™ Steiner-Steiner Silver.

Xylene Cyanole FF, ACROS Organics™

Chemical Name or Material: Xylene Cyanole FF CAS: 2650-17-1 Molecular Formula: C25H27N2NaO6S2 Formula Weight: 538.61 MDL Number: MFCD00040657

Bromphenol Blue Indicator Solution, 0.04% Products for Science Education

Chemical Name or Material: Bromphenol Blue Indicator Solution, 0.04% CAS: 62625-28-9 CAS: 7732-18-5 Physical Form: Liquid

Calmagite, Indicator Grade, Pure, ACROS Organics™

Chemical Name or Material: Calmagite CAS: 3147-14-6 Purity Grade: Extra Pure Molecular Formula: C17H14N2O5S Formula Weight: 358.38 MDL Number: MFCD00011656 Synonym: 3-Hydroxy-4-(2-hydroxy-5-methylphenylazo)-1-naphthalenesulfonic acid

Thermo Scientific™ Shandon™ Frozen Section Staining Kit

Process a limited number of slides in an ideal environment with the Thermo Scientific™ Shandon™ Frozen Section Staining Kit.

Litmus, pure, indicator grade, ACROS Organics™

Chemical Name or Material: Litmus CAS: 1393-92-6 Purity Grade: Pure MDL Number: MFCD00131528

Alizarin Complexone Dihydrate, Indicator Grade, ACROS Organics™

Chemical Name or Material: Alizarin Complexone dihydrate CAS: 455303-00-1 Purity Grade: Pure Assay: 97 to 103% (on dry substance) Molecular Formula: C19H15NO8·2H2O Formula Weight: 421.35 MDL Number: MFCD00149067 Synonym: (3, 4-Dihydroxy-2-anthraquinonyl)methyliminodiacetic acid dihydrate

Rhodamine B, ≥98%, pure, ACROS Organics™

Chemical Name or Material: Rhodamine B Name Note: Pure CAS: 81-88-9 Purity Grade: Pure Assay: ≥98% Assay Percent Range: ≥98% Molecular Formula: C28H31ClN2O3 Formula Weight: 479.01 MDL Number: MFCD00011931 Synonym: Basic Violet 10

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.

Wright's Blood Stain Solution Products for Science Education

Chemical Name or Material: Wright's Blood Stain Solution CAS: 67-56-1 CAS: 68988-92-1 Assay Percent Range: 0.97

Cresol Red sodium salt

Chemical Name or Material: Cresol Red sodium salt CAS: 62625-29-0 Molecular Formula: C21H17NaO5S Formula Weight: 404.42 MDL Number: MFCD00001618

Thermo Scientific™ Shandon™ Instant Hematoxylin, makes 1L x 6 Available on GSA/VA Contract for Federal Government customers only.

Substitute Thermo Scientific™ Shandon™ Instant Hematoxylin for Harris or Gill when no mucoid staining is required. 

Coumarin 6, Laser Grade 98%, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Coumarin 6 Name Note: 98% CAS: 38215-36-0 Purity Grade: Extra Pure Assay Percent Range: 98% Molecular Formula: C20H18N2O2S Formula Weight: 350.44 MDL Number: MFCD00041869 Synonym: 3-(2'-Benzothiazolyl)-7-diethylaminocoumarin

Thermo Scientific™ Richard-Allan Scientific™ Methyl Green-Pyronin Y Available on GSA/VA Contract for Federal Government customers only.

Effectively identify plasma cells and RNA in tissue sections and cytological preparations with Thermo Scientific™ Richard-Allan Scientific™ Methyl Green-Pyronin Y Stain

Eosin Y, pure, Indicator grade, ACROS Organics™

Chemical Name or Material: Eosin Y CAS: 17372-87-1 Purity Grade: Pure Molecular Formula: C20H6Br4Na2O5 Formula Weight: 691.85 MDL Number: MFCD00005040 Synonym: 2';, 4';, 5';

Thermo Scientific™ Richard-Allan Scientific™ Modified Grocott's Methenamine Silver (Periodic Acid) Available on GSA/VA Contract for Federal Government customers only.

Distinguish fungi, basement membranes and opportunistic organisms such as Pneumocystis Carinii in tissue sections with Thermo Scientific™ Richard-Allan Scientific™ Modified Grocott's Methenamine Silver (Periodic Acid)

Acid Fuchsin, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Acid Fuchsin Name Note: Pure CAS: 3244-88-0 Purity Grade: Pure Molecular Formula: C20H17N3Na2O9S3 Formula Weight: 585.52 MDL Number: MFCD00013286 Synonym: Acid Violet 19

Toluidine Blue O, pure, ACROS Organics™

Chemical Name or Material: Toluidine blue O CAS: 92-31-9 Purity Grade: Extra Pure Molecular Formula: C15H16ClN3S Formula Weight: 305.82 MDL Number: MFCD00011934 Synonym: Basic blue 17

Methylene Blue, 1% w/v aqueous solution, Alfa Aesar™

Chemical Name or Material: Methylene Blue CAS: 122965-43-9 CAS: 7732-18-5 Physical Form: Liquid Assay Percent Range: 1% w/v aqueous solution Molecular Formula: C16H18ClN3S Formula Weight: 319.86 MDL Number: MFCD00012111

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