Stains & Dyes

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Stains & Dyes

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  • FD Methyl Green Solution™

    FD NeuroTechnologies

    FD Methyl Green Solution™, made from crystal violet-free methyl green and with a step by step user manual printed on the bottle, is specifically designed for easy use in all types of laboratories. Methyl green imparts a bluish-green color to nuclei and other basophilic tissue elements. This…

  • Hoechst 33258


    For ease of use and safer handling, we offer both Hoechst 33258 and Hoechst 33342 dissolved in H2O at 10 mg/mL. Hoechst dyes are cell membrane-permeant, minor groove binding blue fluorescent DNA stains.

  • Thiol Fluorescent Probe IV 10MG


  • Tissue-Tek® O.C.T. Compound

    Sakura Finetek

    This is a well known water soluble glycol’s and resins compound that provides an excellent specimen matrix for cryostat sectioning at temperatures of -10°C and below. It leaves no residue during the staining procedure.

  • RedDot™1 Far-Red Nuclear Stain


    RedDot™1 is a far-red cell membrane-permeable nuclear dye similar to Draq5™. The dye is ideal for specifically staining the nuclei of live cells.

  • Fuchsin-Carbol, Ziehl-Neelsen

    Ricca Chemical

  • Hematoxylin

    RPI (Research Products International)

  • Ninhydrin Reagent

    Hardy Diagnostics

    For use in rapid determination of sodium hippurate hydrolysis reactions in bacteria. Useful for the presumptive identification of Campylobacter, Listeria, and Gardnerella vaginella.

  • Ethidium Bromide Solution

    MP Biomedicals

    A 10 mg/mL Ready-To-Use solution of EtBr in specially filtered, deionized water. Ethidium bromide (EtBr) is useful for all applications requiring nucleic acid staining including CsCl plasmid DNA isolation and is the most commonly used nucleic acid stain for PAGE or agarose gel electrophoresis.…

  • Rose Bengal

    MP Biomedicals

    Rose Bengal is a fluorescent probe for determining NAD binding sites of alcohol dehydrogenase. Used in Conn′s technique for bacteria in soil; as an alternative to phloxine B in Kreyberg′s stain for keratin and mucus.

  • Potassium Hydroxide (KOH)

    Hardy Diagnostics

    For use in slide preparations of specimens for the purpose of identifying fungal elements.

  • Orange G, Sodium Salt

    Bio Basic Inc.

  • Crystal Violet, 0.2% (w/v), Volumetric


    Concentration: 0.2% w/v in Glacial Acetic Acid Composition: Acetic Acid 99.81%, Gentian Violet 0.19% Boiling Point: Approximately 118°C Density: 1.05 Melting Point: 16.64°C Color: Dark blue to violet/purple liquid Physical State: Liquid Flash Point: 39°C pH Range: Solubility…

  • Gentian (Crystal) Violet

    Ricca Chemical

    Ricca Chemical Company offers a full set of general use cleaning solutions, acids, bases, dry chemicals, and solvents. With high quality, competitive pricing, and rapid service, our general use products are guaranteed to exceed your needs.

  • 2,3,5-Triphenyltetrazolium chloride


    For microbiology. Synonym: TTC, TT

  • Pluronic® F-127


    *Pluronic® F-127 is a nonionic, surfactant polyol with molecular weight around 12,500 daltons. Pluronic® F-127 promotes solubilization of water-insoluble dyes and other materials in physiological medium. Pluronic® F-127 is most commonly used to disperse the acetomethyl (AM) esters…

  • Phenol Red

    Bio Basic Inc.

  • Dropper Lactophenol Cotton Blue Stain


    BBL™ Lactophenol Cotton Blue Stain Droppers are used in wet amounts for examination of fungi (50/sp, 500/ca). Hermetically sealed in ampule One-day supply Drop-by-drop dispensing Directions To perform tests, squeeze the dropper to crush the ampule. Invert the…

  • Acridine Orange Hemi Salt

    Bio Basic Inc.

  • Trypan Blue

    BeanTown Chemical

    CAS: 72-57-1 EC No: 200-786-7 MDL No: MFCD00003969 RTECS: QJ6475000 Solid Molecular Formula: C34H24N6O14S4Na4 MW: 960.82 Melting Point: >300°

  • Hoechst 33342 Solution (20 mM)

    Thermo Scientific Pierce

    Thermo Scientific Pierce Hoechst 33342 Fluorescent Stain is a high-quality solution of Hoechst dye for fixed- and live-cell fluorescent staining of DNA and nuclei in cellular imaging techniques.

  • Alcian Blue 8GX

    Bio Basic Inc.

  • Toluidine Blue 1% Aqueous Solution Stain


  • Protein Gel-Loading Dye for SDS-PAGE

    RPI (Research Products International)

    This dye is added to protein samples prior to electrophoresis on SDS PAGE gels.

  • SITS Sodium Salt

    Electron Microscopy Sciences

    Formula: C17H12N2O7S3Na2   Formula Weight: 498.50   CAS #: 5-1023-76-8 SITS has been used as a vital stain, as a label for immunostaining, and as a neuronal tracer. SITS is also a non-penetrating…

  • Loeffler's Methylene Blue Stain

    Hardy Diagnostics

    Used to examine metachromic granules in C. diphtheriae, screening bacteria in CSF, or for enumeration of fecal leukocytes.

  • Alizarin Red S

    MP Biomedicals

    Alizarin red S is used in a biochemical assay to determine, quantitatively by colorimetry, the presence of calcific deposition by cells of an osteogenic lineage.

  • Indole, Kovac's Reagent

    Hardy Diagnostics

    P-dimethylaminobenzaldehyde, to test indole production in indole broth or for biochemical strip/cupule methods. Positive indole reactions with Kovac's will turn pink to red. Does not require a xylene or chloroform extraction as with Ehrlich's Reagent. Kovac's Reagent is not for rapid…

  • Q-Slide™ Gram

    Hardy Diagnostics

    A convenient ready-to-stain control slide that will test both your stain solutions and your staining techniques. Positive and negative stain control organisms are affixed to the circles in each Q-Slide™. Up to four patient specimens (in the squares) may be processed at the same time as the QC…

  • EZ-VISION® In-Gel Solution


      Immediate results Easy and convenient Eliminates the use of ethidium bromideg EZ-Vision® In-Gel Solution, 10,000X is a non-mutagenic, non-toxic fluorescent DNA Dye that is used as an in-gel or post-run stain to visualize DNA in agarose gels. EZ-Vision®…

  • Methylene Blue, Loeffler

    Ricca Chemical

  • QUIN 2, Tetrapotassium Salt


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