Lab Stains and Dyes

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 yellow...

Trypan Blue 0.4% Solution is commonly used as a cell stain to measure cell viability using dye exclusion method. The dye exclusion method is based on the principle that cell impermeable dyes like Trypan blue will stain only dead cells where as viable cells will not be stained. Trypan Blue staining...

Acridine Orange (fluorescent stain for bacteria in body fluids) 0.025% w/v. An aqueous solution of acridine orange.

SynaptoRed™ Reagent | CAS 162112-35-8 | Calbiochem | 5 MG

Hematoxylin is a compound extracted from heartwood of the logwood tree with a chemical formula of C16H14O6. This naturally derived dye has been used as a histologic stain, ink and as a dye in the textile and leather industry. As a dye, haematoxylin has been called Palo de Campeche, logwood extract,...

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.

We are now offering Uranyl Acetate pre-made and ready to use solution for making your work easier. The following percentages are avaialble off the shelf (1, 2, 3, 4). Formula: UO₂(OCOCH₃)₂·2H₂O Formula Weight: 424.14 CAS #: 541-09-3 Assay:  ...

5-Carboxyfluorescein Diacetate (5-CFDA) | CAS 79955-27-4 | Calbiochem | 50MG

Toluidine Blue, 1% w/v 500 mL

The Bio Basic Eosin Y, Free Acid with a composition of Application: For Research & Labaratory Use Only

The Reversible Zinc Stain™ is a single step stain for the rapid detection of proteins resolved by SDS-PAGE. No destaining is necessary. The stain is based on the interaction of Zinc ions with polyacrylamide and proteins. The stain works by depositing a zinc metal precipitate in the gel which...

Basic fuchsin is a magenta dye with chemical formula C20H19N3·HCl.It becomes magenta when dissolved in water; as a solid, it forms dark green crystals. As well as dying textiles, fuchsine is used to stain bacteria and sometimes as a disinfectant.

Ponceau S: Ponceau S is the sodium salt of a diazo dye. It is used to make a stain for rapid reversible staining of protein bands on nitrocellulose or PVDF membranes (Western blots) and also for staining protein on cellulose acetate membranes. The stain is reversed with water washes and aids in...

BCECF/AM | CAS 117464-70-7 | Calbiochem | 1MG

QUIN 2, Tetrapotassium Salt | CAS 73630-23-6 | Calbiochem | 50MG

The Ricca Chemical toluidine blue stain with a composition of 99.01% water and 0.99% toluidine blue O, is suitable for research and laboratory use. It is also used as a dye in histology study. It can be stored at a temperature of 15 to 30 degree C.

The Bio Basic Inc. ethidium bromide [EB, EtBr] 10 mg/mL stock solution is suitable for laboratory and research use. Application: For Laboratory Research Only

Stain can be used to detect H. Pylori Set contains three 500mL bottles consisting of Fixative Solution, Solution A(Eosin-Y), and Solution B(Azure A and Methylene Blue) Easy-to-follow instructions Available in one-gallon containers to facilitate use on automated stainers

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.

The Bio Basic Acriflavine Hydrochloride is suitable for use in laboratory research use only. It can be stored at a temperature of 18 to 25 degree C. Application: For Laboratory Research Use Only

For microbiology. Synonym: TTC, TT

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...

The Ricca Chemical methylene blue with a composition of 99.01% water and 1.00% 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.

The Exaxol gomoris trichrome stain is mainly used in research facilities and chemical laboratories to conduct wide range of experiments. It is available in sturdy bottle that endures heavy and rigorous usage. Application: For Laboratory use only