Stains and Dyes

A variety of solutions used to selectively bind to and enhance the visibility of biological structures using color and/or fluorescence; used for histology, protein staining, electrophoresis, bacterial classification, blotting, etc.

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3,721 – 3,735 of 7,390 results

3,721

Pfaltz & Bauer Oil Yellow D| 10G

Oil Yellow D| 10G

Pricing & Availability

3,722

Medchemexpress LLC Erythrosin B sodium salt | 568-63-8 | MFCD00144257 | 85.0% | 879.86 g/mol | C20H6I4Na2O5 | 5 MG

Erythrosin B sodium salt is an iodinated xanthene dye supplied as an orange-red, water-soluble solid used as a red colorant and staining reagent in biochemical assays, histology, and textile applications. The compound has formula C20H6I4Na2O5, a reported purity of 85%, and is provided in a small package for low-volume laboratory use.

Water-soluble iodinated xanthene dye suitable for staining and assays.
Provides a vivid orange-red color for visualization and tracing.
Available in a small 5 mg package for low-volume laboratory use.
Reported purity of 85% suitable for general laboratory applications.
Store sealed, away from moisture and light to maintain stability.

Pricing & Availability

3,723

Chem-Impex International, Inc. Thiazole Yellow G (indicator for adsorption and fluorescence) | 1829-00-1 | MFCD00013091 | 100G

Thiazole Yellow G (indicator for adsorption and fluorescence), 1829-00-1, MFCD00013091, 100G

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3,724

LAB ALLEY Lab Alley Polysorbate 80 Food Grade Kosher Halal

Polysorbate 80 is a nonionic surfactant and emulsifier often used in foods and cosmetics. This synthetic compound is a viscous water-soluble yellow liquid. Polysorbate 80 is a hydrophilic nonionic surfactant. It is utilized as a surfactant in soaps and cosmetics and also as a lubricant in eye drops. In food or pharmaceutical products it can act as an emulsifier. Polysorbate 80 is used as an emulsifier or defoamer in foods vitamins medicines and vaccines.

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3,725

Sigma Aldrich Fine Chemicals Biosciences Lucfer Yellow CH dpotass100MG

Lucifer yellow CH is a fixable dye with an excitation and emission spectrum of 430 nm and 540 nm respectively.

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3,726

Aqua Solutions PHENLPHTHALN 1%W/V METH 500ML

Phenolphthalein 1% W/v Indicator Solution In Methanol (500ml)

Pricing & Availability

3,727

Aqua Solutions PHENOLPHTHALEIN IND 500ML

PHENOLPHTHALEIN IND 500ML ..

Pricing & Availability

3,728

Electron Microscopy Sciences Biebrich Scarlet 1% Solution 1% Acetic Acid 500 ML

Biebrich Scarlet solution is a prepared, ready-to-use, high quality staining solution that saves time and effort and produces consistent uniform results.

Pricing & Availability

3,729

Chem-Impex International, Inc. 4-Phenylazophenol | MFCD00002330 | 25G

4-Phenylazophenol, MFCD00002330, 25G

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3,730

Alkali Scientific Potato Starch, Insoluble, 100 Grams

Potato Starch, Insoluble, is a high-purity starch used in laboratory applications requiring a stable, insoluble carbohydrate for various research and testing procedures. This 100-gram supply is ideal for experiments in food science, polymer chemistry, and microbiology. As an insoluble starch, it is commonly used in studies related to digestion, enzymatic activity, and starch hydrolysis, providing a reliable substrate for testing amylases and other carbohydrate-active enzymes. The product is frequently employed in microbiological assays, including microbial growth studies and fermentation processes, where starch serves as an energy source for specific bacteria or fungi.

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3,731

Alkali Scientific Acid Fuchsin Calcium Salt, 100 Grams

Acid Fuchsin Calcium Salt, 100 Grams, is a biological stain used in histology, microbiology, and other laboratory procedures. This reagent is commonly used to color cellular components, such as cytoplasm and nucleic acids, providing contrast during microscopic examination. Acid fuchsin is also utilized in the detection of specific cellular structures, making it valuable for diagnostic and research applications. This calcium salt form enhances the stability and solubility of the dye, ensuring consistent results in staining protocols. The 100g quantity is ideal for laboratories performing routine histological staining, microbiological culture work, or other cellular analyses.

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3,732

Biotium SULFORHODAMINE G 5 G

SULFORHODAMINE G 5 G

Pricing & Availability

3,733

Electron Microscopy Sciences Biebrich Scarlet 0.2% Solution 1% Acetic Acid 500 ML

Biebrich Scarlet solution is a prepared, ready-to-use, high quality staining solution that saves time and effort and produces consistent uniform results.