Certified Dyes & Stains

46 Item(s)

per page

Set Descending Direction
  1. Rosolic Acid, C.I. 43800

    Rosolic Acid, C.I. 43800

    Starting at: €92.00

    Rosolic acid is an organic compound, forming yellowish or deep-red crystals with greenish metallic luster. Practically insoluble in water and freely soluble in alcohol. Soluble in strong acids to form a yellow solution or in aqueous alkalis to form carmine red solutions.

    Learn More
  2. 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.

    Learn More
  3. Acridine yellow G, C.I. 46025

    Acridine yellow G, C.I. 46025

    Starting at: €120.00

    Fluorochrome used in insect histology and Schiff's reagent for periodate-positive fungi.

    Learn More
  4. 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

    Learn More
  5. Direct red 81, C.I. 28160

    Direct red 81, C.I. 28160

    Starting at: €47.00

    Contrast stain substitute for eosin Y with hematoxylin.

    Learn More
  6. 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.

    Learn More
  7. 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

    Learn More
  8. 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).

    Learn More
  9. 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

    Learn More
  10. 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.

    Learn More
  11. 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.

    Learn More
  12. 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.

    Learn More
  13. Carmine, C.I. 75470, certified

    Carmine, C.I. 75470, certified

    Starting at: €152.00

    Used in microscopy for making various stains including stains for glycogen, mucin, nuclei and chromosomes.

    λ max 531(563)nm

    (Natural red 4; Cochineal)

    Learn More
  14. Hematein, C.I. 75290 (Hydroxybrasilein)

    Hematein, C.I. 75290 (Hydroxybrasilein)

    Starting at: €168.00

    An indicator like hematoxylin; for staining animal tissue, particularly cell nuclei.

    Merck Index 11, 4553

    Learn More
  15. 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.

    Learn More
  16. 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.

    Learn More
  17. Trypan blue, C.I. 23850

    Trypan blue, C.I. 23850

    Starting at: €504.00

    (Direct blue 14; Niagara blue 3B)

    Trypan blue has been widely used to assess the viability of eukaryotic cells. This method is often called trypan blue exclusion. Nonviable cells will exhibit a marked concentration of this blue dye in their nuclei. Tissue culture labs will find it extremely useful for determining the health and density of cell lines. Other studies have demonstrated trypan blue as an inactivating agent for measles and herpes simplex viruses and as a teratogenic agent in rats.

    λ max 607nm

    Learn More
  18. Malachite Green Oxalate, C.I. 42000, Certified

    Malachite Green Oxalate, C.I. 42000, Certified

    Starting at: €36.00

    Malachite Green Oxalate is used as a counterstain for paraffin embedded botanical material and staining bacterial polysaccharides and spores. Also used as a contrast stain in the Ziehl-Neelsen procedure.

    Learn More
  19. 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

  20. 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.

    Learn More
  21. 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.

    Learn More
  22. 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

    Learn More
  23. Giemsa Stain Powder, Certified

    Giemsa Stain Powder, Certified

    Starting at: €255.00

    Giemsa stain is a classical blood film stain for peripheral blood smears and bone marrow specimens, used to visualize chromosomes, stains fungus histoplasma and identifies mast cells.

    Learn More
  24. Methyl green, C.I. 42590, certified

    Methyl green, C.I. 42590, certified

    Starting at: €140.00

    Used with Pyronin Y to stain nuclei and nucleoli differentially.

    Learn More
  25. 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

    Learn More
  26. 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.

    Learn More
  27. 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

    Learn More
  28. Acridine orange

    Acridine orange, C.I. 46005

    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.

    Learn More
  29. Wright stain, certified

    Wright stain, certified

    Starting at: €75.00

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

    Learn More
  30. Crystal Violet C.I. 42555, certified

    Crystal Violet C.I. 42555, certified

    Starting at: €37.00

    Crystal violet is used as a differential gram stain.

    λ max 588nm

    Learn More
  31. Brilliant Cresyl Blue, C.I. 51010, Certified

    Brilliant Cresyl Blue, C.I. 51010, Certified

    Starting at: €218.00

    Brilliant Cresyl Blue, Certified is used for a supravital stain for reticulocytes.

    Learn More
  32. 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)

    Learn More
  33. Sirius red, C.I. 35780

    Sirius red, C.I. 35780

    Starting at: €70.00

    Cardiac muscle stain.

    (Direct red 80)

    Learn More
  34. 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.

    Learn More
  35. 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

    Learn More
  36. 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

    Learn More
  37. Azure A, C.I. 52005, Certified

    Azure A, C.I. 52005, Certified

    Starting at: €136.00

    Certified for use in Lillie's modified Nocht's method for paraffin sections and the NCCLS method for blood smears.

    Learn More
  38. 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.

    Learn More
  39. Brilliant Green, C.I. 42040, Certified

    Brilliant Green, C.I. 42040, Certified

    Starting at: €82.00

    Brilliant Green, Certified is used as a bacteriostatic agent for the selective enrichment and enumeration of E. coli and other fecal coliform organisms in water, milk and food.

    Learn More
  40. 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

  41. Gentian Violet, C.I. 42555, USP

    Gentian Violet, C.I. 42555, USP

    Starting at: €56.00

    Gentian Violet is the primary agent used in staining bacteria by the Gram Stain method.

    Learn More
  42. Gallamine blue, C.I. 51045

    Gallamine blue, C.I. 51045

    Starting at: €67.00

    Used as a nuclear stain. Also used for detecting calcium in tissues.

    (Mordant blue 45).

    Learn More
  43. 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

    Learn More
  44. 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.

    Learn More
  45. 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

    Learn More
  46. Neutral red, C.I. 50040, certified

    Neutral red, C.I. 50040, certified

    Starting at: €71.00

    Used as an indicator. pH range 6.8 (red)-8.0 (yellow). Also used as a biological stain.

    (Basic red 5; 3-Amino-7-dimethylamino-2-methylphenazine hydrochloride; Toluylene red) λ max 540nm

    Learn More