Certified Dyes & Stains

30 Item(s)

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  1. 1,9-dimethyl methylene blue zinc chloride double salt (DMMB)

    1,9-dimethyl methylene blue zinc chloride double salt (DMMB)

    Starting at: $163.00

    (Taylor’s blue; 3,7’-Bis(dimethylamino)-1,9-dimethyldiphenothiazin-5-ium chloride) λ max 649nm

    Used in dye binding assays for glycosaminoglycans.

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  2. Fuchsin, basic, certified, C.I. 42500

    Fuchsin, basic, certified, C.I. 42500

    Starting at: $86.00

    For staining bacilli in tissue. Coupling agent for ultrastructural localization of esterases.

    (Pararosaniline hydrochloride; Basic red 9) λ max 542-548nm

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  3. Safranin O, C.I. 50240, certified

    Safranin O, C.I. 50240, certified

    Starting at: $71.00

    A general biological stain. Used as a nuclear stain for histological studies. Also used as a cationic lipophilic probe and in the detection of glycosaminoglycans and proteoglycans.

    (Basic red 2; 3,7-Diamino-2,8-dimethyl-5-phenylphenazinium chloride) λ max 530nm.

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  4. Biebrich scarlet, C.I. 26905

    Biebrich scarlet, C.I. 26905

    Starting at: $83.00

    Widely used as a counterstain. Also, useful plasma stain.

    (acid red 66; Ponceau B) λ max 505nm

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  5. Aniline blue, C.I. 42755, Certified, Water-soluble

    Aniline blue, C.I. 42755, Certified, Water-soluble

    Starting at: $92.00

    Used as contrast stain in histology and cytology and as a pH indicator (pH 10.0-13.0). Used with acid fuchsin as Mallory’s connective tissue stain. Also used to visualize chromosomes and cellulose wall implants. (Acid blue 22).

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  6. Light green SF yellowish, C.I. 42095, certified

    Light green SF yellowish, C.I. 42095, certified

    Starting at: $105.00

    Used as a dye and as a biological stain. Certified for use as a counterstain in cytology. An important contrast stain for plasma as a critical component of Papanicolaou (PAP) stains. Stains collagen fibers when substituted for aniline blue in Masson’s trichrome.

    λ max 630(422)nm

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  7. Chlorazole black E, C.I. 30235, certified

    Chlorazole black E, C.I. 30235, certified

    Starting at: $103.00

    A valuable stain in general histology and cytology. Gives sharp, clear-cut pictures of both nuclei and cytoplasmic structures. Also useful for differentiation of fungi.

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  8. Tetrachrome stain, certified (MacNeal)

    Tetrachrome stain, certified (MacNeal)

    Starting at: $107.00

    Blood stain similar to Wright’s stain. Also useful for staining bone sections.

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  9. Nuclear fast red, C.I. 60760

    Nuclear fast red, C.I. 60760

    Starting at: $120.00

    Nuclear fast red staining is a simple method of nuclear chromatin staining and is mainly used for high-contrast counterstaining for histological applications.

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  10. Alcian Blue 8GX, C.I. 74240

    Alcian Blue 8GX, C.I. 74240

    Starting at: $168.00

    Used primarily for demonstrating acid mucopolysaccarides with Scott's method and Mowry's staining methods. Used in electrophoresis for detecting glycoproteins.

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  11. Cresyl violet acetate, certified

    Cresyl violet acetate, certified

    Starting at: $130.00

    (9-Amino-5-imino-5H-benzo[a]phenoxazine acetate salt) Cresyl Violet Acetate is a certified solid dye used for the preparation of a staining solution to demonstrate the presence of Nissl substances in neurons and cell nuclei.

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  12. Sudan Black B, C.I. 26150, Certified

    Sudan Black B, C.I. 26150, Certified

    Starting at: $70.00

    Sudan Black B is useful for staining neutral triglycerides and lipids on frozen sections and some lipoproteins on paraffin sections. Learn More

  13. Rose Bengal, C.I. 45440, Certified

    Rose Bengal, C.I. 45440, Certified

    Starting at: $103.00

    Rose Bengal can be used as an alternative to phloxine B in Kreyberg's stain for keratin and mucus. Useful for detecting bacteria in soil.

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  14. Orange G, C.I. 16230, certified

    Orange G, C.I. 16230, certified

    Starting at: $108.00

    Mallory’s stain for collagen in connective tissue. Also useful as a stain for granules, elastic fibers, mast cells, and pollen tubes. A general histology and cytology counterstain.

    Acid orange 10; Xylene fast orange G; 7-Hydroxy-8-phenylazo-1,3-naphthalenedisulfonic acid λmax 475nm.

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  15. Thionin, C.I. 52000, certified

    Thionin, C.I. 52000, certified

    Starting at: $218.00

    A metachromatic, cationic thiazine dye that is used widely as a biological stain, especially in histology. Useful as a metachromatic stain for brain tissue.

    Lauth’s violetf λmax 598nm

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  16. Congo red, C.I. 22120, certified (Direct red 28)

    Congo red, C.I. 22120, certified (Direct red 28)

    Starting at: $104.00

    Anionic metachromatic dye. Good contrast stain or counterstain. Specific stain for amyloids in pathology. Also, a pH indicator; transition interval: pH 3.0 (blue) to 5.0 (red).

    λ max: 497nm

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  17. Acid Fuchsin, C.I. 42685, certified

    Acid Fuchsin, C.I. 42685, certified

    Starting at: $45.00

    Acid Fuchsin is one of the dyes used in the Masson's Trichrome Staining technique. This method is commonly used to stain tissue sections in the Histology and Cytology Laboratory in order to distinguish muscle from collagen. The muscle stains red with the acid fuchsin and the collagen is stained green or blue with light green SF yellowish or methyl blue.

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  18. Pyronin Y, C.I. 45005, certified

    Pyronin Y, C.I. 45005, certified

    Starting at: $114.00

    Used in combination with methyl green for the selective and differential staining of nucleic acids. The pyronin Y stains RNA red, while the methyl green stains DNA green. The combined methyl green-pyronin Y stain is a useful histochemical reagent. Pyronin Y can also be used as a tracking dye for polyacrylamide gel electrophoresis.

    λmax 552nm

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  19. Acridine orange

    Acridine orange, C.I. 46005 Very High Purity

    Starting at: $63.00

    DNA intercalating dye. A grade of acridine orange of exceptionally high purity, suitable for quantitative work. Free of inorganic salts. A specific stain for RNA, used as a 2% solution containing 1% lanthanum acetate in 15% acetic acid.

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  20. Wright stain, certified

    Wright stain, certified

    Starting at: $75.00

    Useful for staining blood films and malarial parasites in blood films.

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  21. Oil Red O, C.I. 26125, certified

    Oil Red O, C.I. 26125, certified

    Starting at: $38.00

    A post-electrophoresis stain for lipoproteins on cellulose acetate plates.

    (Solvent red 27; Sudan red 5B; Ceres red 5B)

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  22. Sirius red, C.I. 35780

    Sirius red, C.I. 35780

    Starting at: $49.00

    Cardiac muscle stain.

    (Direct red 80)

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  23. Fast green FCF, C.I. 42053, certified

    Fast green FCF, C.I. 42053, certified

    Starting at: $93.00

    (Food green 3). Sensitive stain for proteins in polyacrylamide gels. Especially suitable in isoelectric focusing. Also suitable for use as a cytological counterstain, and mammalian tissue stain for muscle and collagen.

    λ max 622-626nm.

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  24. Coomassie® Blue G250, C.I. 42655

    Coomassie® Blue G250, C.I. 42655

    Starting at: $41.00

    Protein stain for SDS gels. Used in dye binding techniques for protein quantification.

    (Coomassie blue® G250; Brilliant blue G250; Acid blue 90)

    λmax 610nm

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  25. Coomassie® blue R250, C.I. 42660

    Coomassie® blue R250, C.I. 42660

    Starting at: $25.00

    Rapid acting and sensitive dye for SDS gels.

    (Coomassie blue® R250; Brilliant blue R250; Acid blue 83)

    λmax 588nm

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  26. Hematoxylin, C.I. 75290, certified (Natural black 1)

    Hematoxylin, C.I. 75290, certified (Natural black 1)

    Starting at: $83.00

    Nuclear protein stain and glycogen stain. Also a general tissue stain for human, animal and VIR histology.

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  27. Rhodamine 6G, C.I. 45160

    Rhodamine 6G, C.I. 45160

    Starting at: $27.00

    Used as a tracer dye within water to determine the rate and direction of flow and transport. Learn More

  28. Toluidine blue O, C.I. 52040, certified

    Toluidine blue O, C.I. 52040, certified

    Starting at: $121.00

    A metachromatic, cationic thiazine dye that is widely used in in vitro biological applications. It has also been used in techniques for DNAase detection.

    λmax 626nm

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  29. Toluidine blue O, C.I. 52040, purified

    Toluidine blue O, C.I. 52040, purified

    Starting at: $123.00

    Useful for staining RNA, oligodeoxynucleotides, proteins and glycosaminoglycans.

    λ max 626nm.

    Assay >60% anhydrous dye.

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  30. Eosin Y, C.I. 45380, certified

    Eosin Y, C.I. 45380, certified

    Starting at: $55.00

    Cytoplasmic counterstain. Component of Wright stain and Tetrachrome stain.

    (Eosin yellowish; Acid red 87; 2’,4’,5’,7’-Tetrabromo-fluorescein, disodium salt)

    λmax: 517nm

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