Methyl red, also called C.I. Acid Red 2, is an indicator dye that turns red in acidic solutions. It is an azo dye, and is a dark red crystalline powder. Methyl red is a pH indicator; it is red in pH under 4.4, yellow in pH over 6.2, and orange in between, with a pK? of 5.1.

A general stain for epoxy thick sections. (Basic blue; Methylene Blue T50 or T Extra) Formula: C₁₅H₁₆N₃SCl   Formula Weight: 305.83   CAS #: 92-31-9 Dye Content: approx. 85% min. Solubility: 3.25% Water; 1.75%…

Crystal Violet stains nuclei a deep purple color, aiding in their visualization. It can also be used to visualize colonies of cells.  4x 16oz

(Rubin S, Fuchsin S, Fuchsin Acid, Acid Magenta, Acid Violet 19) Formula: C₂₀H₁₇N₃Na₂O₉S₃   Formula Weight: 585.54   CAS #: 3244-88-0 Solubility: 0.053% Water; 1.21% Alcohol

Decolorizer used in the gram stain procedure, fast 25% alcohol/75% acetone. For those who require a faster decolorizer. Recommended for use with stabilized iodine.

CAS: 37247-10-2 MDL No: MFCD00080716 Powder Molecular Formula: C₁₆H₁₈N₃S·C₁₅H₁₆N₃S·2Cl MW: 625.68

Astral Diagnostics has formulated a series of stains and reagents for use on the popular dip-stainers. Ongoing quality control procedures assure the user of consistent, precipitate free performance. The availability of both pH 6.8 and 7.2 buffers, permits the variation of stain intensity.

CAS: 6104-58-1 EC No: 228-058-4 MDL No: MFCD00078482 Powder Molecular Formula: C₄₇H₄₈N₃NaO₇S₂ MW: 854.02

Application Utilizes New Methylene Blue for the identification of reticulocytes in blood films. Principle Blood and reticulocyte staining solution (New Methylene Blue) are mixed and incubated briefly at room temperature. Wedge or spun smears are made on microscope slides, air dried…

Safranine O is a biological stain used in histology, cytology, bacteriology. It is a redox and adsorption indicator.

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…

EOSIN Y, REAGENT, ACS, a form of eosin, is used as an acidic red stain for indicating cytoplasm material. As an ACS grade quality reagent, its chemical specifications are the de facto standards for chemicals used in many high-purity applications and typically designate the highest quality chemical…

Coomassie® Brilliant Blue G-250 is a useful dye for SDS gels as it readily stains proteins with minimal background color. Protein bands can be visualized during staining. Coomassie Brilliant Blue G-250 is a protein stain in electrophoresis. Brilliant Blue G has been used in the Bradford…

CAS: 78338-22-4 MDL No: MFCD00081194 Solid Molecular Formula: C₁₄H₁₃N₃O₂S MW: 287.34

The Ricca Chemical new methylene blue "N" stain is used extensively in medical facilities for the treatment of methemoglobinemia. Application: For Reticulocyte Count

2,3,5-Triphenyltetrazolium Chloride is a redox indicator. In the TTC assay (also known as TTC test or tetrazolium test), TTC is used to differentiate between metabolically active and inactive tissues. The white compound is enzymatically reduced to red TPF (1,3,5-triphenylformazan) in living tissues…

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…

Calcein is used as an indicator for the determination of calcium by titration with EDTA. Suitable for fluorometric determination of calcium. Calcein does not fluoresce in strong alkaline solution, but an intense fluorescence appears in the presence of alkaline earths, especially calcium. The…

FOCUS ™ FAST silver ™ produces crystal clear backgrounds and maximal peptide recovery needed for critical analysis by mass spectrometry. For mass spectrometry analysis, complete proteolytic digestion and recovery of peptides is required for optimal analysis, however silver ions in…

Used as a primary stain in the advanced gram stain procedure. An aqueous solution of crystal violet.

Ponceau S Staining Solution: Ponceau S Staining Solution, as a reversible stain method, is used to stain electroblotted proteins on blot transfer membranes. Transferred proteins (>100 ng/band) appear as red bands on a white background, proteins are stained by the Ponceau S Staining Solution…

The Bio Basic Inc. oil red O is suitable for laboratory and research use. It is mainly used to in analysis and study of cytologic specimens. Application: For Laboratory Research Only

The Ricca Chemical gentian violet with a composition of 99.30% water and 0.70% gentian violet, is used to treat fungal and bacterial infections. It can be stored at a temperature of 15 to 30 degree C.

The Ricca Chemical methylene blue with a composition of 94.05% ethyl alcohol, 4.70% methyl alcohol and 1.25% methylene blue trihydrate, is helpful to treat methemoglobinemia and urinary tract infections. It can be stored at a temperature of 15 to 30 degree C.

A permanent slide mounting media for mycology specimens that contains the stain lactophenol cotton blue. Produces a long lasting permanently stained slide. Contains polyvinyl alcohol (PVA) that will dry and set up hard to create a perfectly preserved slid

The Bio Basic Inc. pyronin Y [pyronin G] is suitable for research and laboratory use. It is mainly used as an indicator in DNA/RNA detection. Application: For Laboratory Research Only

The Ricca Chemical methylene blue TS contains a hint of guanylate cyclase that helps in the treatment of cyanide poisoning and to lower the level of methemoglobin. It also acts as a bacteriologic stain and as an indicator.

The Bio Basic Inc. orange G sodium salt is suitable for laboratory and research use. Application: For Laboratory Research Only

Fast blue B salt is useful for TLC of Aflatoxins. Fast Blue B is a diazonium salt used as a tissue stain.

Formula: Mixture Formula Weight: N/A CAS Number: Synonym(s): Hematology Stain Description: General Product Use: Polychromic stain for peripheral blood and bone marrow smears. Used for red blood cell morphology and white blood cell differentiation.

Formula: UO₂(OCOCH₃)₂·2H₂O   Formula Weight: 424.14 CAS #: 541-09-3 Assay: 98.0-102.0%

Phenazine ethosulfate is an intermediate which is used to detect nitric oxide reducatase activity in concert with ascorbic acid.