Stains and Dyes
bioWORLD supplies a wide variety of Laboratory Chemicals including indicators such as Dyes and Stains. Dyes are coloring agents - as an indicator used for general coloring purposes. Stains are used for biological specimen staining techniques, including: Protein staining, bacterial classification, Western staining, and electrophoresis. Browse bioWORLD's high-quality dyes: Bromocresol Green & Purple, Bromophenol Blue & Red, Coomassie blue, Orange G, Crystal Violet, Ponceau S, Eosin Y, Acridine Orange base, Azure B, Procion MX and more.
Acid Fast Bacillus Stain
$117.31
Acid fast bacillus stain uses carbol fucshin dye (Ziehl Neelsen method) for identification of acid fast organism. more info
Acriflavine Neutral
$170.40
Acriflavine Neutral is an excellent dye for fluorescent labelling of high molecular weight RNA. Surprisingly, this Acridine derivative is also an... more info
Alcian Blue
$560.25
Histological stain for acidic polysaccharides. High Purity Grade EM (610nm, H2O) >26,000 more info
Alizarin Red S
$200.87
Alizarin Red S is used in a biochemical assay to determine, quantitatively by colorimetry, the presence of calcific deposition by cells of an... more info
Amido Black
$56.60
Amido Black is an excellent stain for Western Blot and SDS-PAGE. It can even be used in cell-counting assays. Traditionally, Amido Black has made its... more info
Basic Fuchsin
$74.99
Basic Fuchsin is a popular dye for staining cytoplasm and nuclei. It is most commonly associated with the Ziehl-Neelsen acid-fast stain technique for... more info
Brilliant Green
$112.84
Counterstain for use with Carbol Fuchsin Stain for the identification of AFB more info
Bromocresol Green
$94.22
A eletrophoretic tracking dye for RNA gels. Used as a pH indicator. ACS Grade 3',3'',5',5''-Tetrabromo-m-cresolsulphonephthalein Refractive index:... more info
Bromocresol Purple Free Acid
$87.28
Grade: Reagent Grade Spectrophotometric determination of serum-albumin Dye Content(%)- >90.0 PH Value: 5.2 - 6.8, yellow to purple more info
Bromophenol Blue Sodium Salt
$108.45
An electrophoretic tracking dye for nucleic acid and protein gels. Used as a pH indicator for neutral or alkaline conditions. ACS Grade... more info
Bromophenol Red Sodium Salt
$57.37
Bromophenol Red Sodium Salt is a water-soluble pH indicator, used in the 6.8 to 8.2 range (yellow to red). more info
Bromothymol Blue Sodium Salt
$159.35
Used as a pH indicator. ACS Grade 3,3'-Dibromothymolsulphonephthalein Visual transition interval pH 6.0-7.6 more info
Calcofluor White Stain, 5mM
$56.57
Calcofluor White Stain, 5mM in water is a fluorescent blue compound that binds to cellulose, present in the cell walls of algae, fungi,... more info
Coomassie Brilliant Blue G-250
$54.42
Protein electrophoresis dye used in SDS-PAGE. Also used for protein concentration determination by Bradford method. A commonly used analytical... more info
Coomassie Brilliant Blue R-250
$41.93
Coomassie Brilliant Blue R-250 is a protein dye most commonly used in electrophoresis like SDS-PAGE. It is more sensitive than Coomassie Brilliant... more info
Cresol Red Free Acid
$46.47
- Analytical Grade Specifications: Loss on Drying(%)- <=5.0 Residue after Ignition(%)- <=0.1 Solubility (5mg/L water)(P/F)- Pass Visual... more info
Crystal Violet
$51.99
A component of Gram staining in microorganisms and cell lines. Product is supplied in glass bottles. Specifications: Certified Grade Synonym: Basic... more info
CyanoBlue Universal Dye
$84.26
Premixed and ready-to-load gel dyes. Glow Loading DyesT generate intense DNA/RNA bands with little background or band distortion and can be used... more info
Eosin Y Sodium Salt
$104.03
Specification s: Certified Grade A histological counterstain against hematoxylin. Dye Content (%): 88 Lambda Max (nm): 515 - 518 more info
Ethidium Bromide
$65.45
Biotechnology Grade A fluorescent electrophoretic stain for nucleic acids Also used as a nucleic acid intercalating agent and frameshift mutagen... more info
Fast Green FCF
$366.14
Stain for showing collagen, muscle, cytoplasm in mammalian tissue, also can be used in cytology and histology. EM (622nm, 50% methanol) > 125,000... more info
Giemsa Stain
$125.11
- Certified Grade Specifications: Peak A(nm)- Report Peak B(nm)- Report Solubility (5.8mg/L MeOH)(P/F)- Pass more info
Glow cyanoBlue dye
$84.26
Premixed and ready-to-load gel dyes. Glow Loading Dyes generate intense DNA/RNA bands with little background or band distortion and can be used with... more info
Hematoxylin
$121.37
A general histological stain. High Purity Grade EM (550nm, 0.1M NaOH) >14,700 more info
Light Green SF
$152.28
A cytological counterstain used for general plant histology. High Purity Grade EM (630nm, water) >63,500 more info
Loading Dye Base, 5 or More
$27.79
Ultra Pure Grade Contains 50x Loading Dye Blend in H2O Mix with buffer and density agents before use. DNase: None Detected RNase: None Detected... more info
Loading Dye Base, 50X
$55.56
Ultra Pure Grade. Contains 50x Loading Dye Blend in buffer. Mix buffer, density agents, and SDS,MetOH before use. DNase: None Detected. RNase: None... more info
Malachite Green Oxalate
$59.01
A biological counterstain to fuchsin and safranin Synonym: N , N , N ′, N ′-Tetramethyl-4,4′-diaminotriphenylcarbenium oxalate,... more info
Methyl Green Zinc Chloride Salt
$142.48
- Certified Grade Scientific Chemical Name: C27H35Cl4N3ZN Specifications: Dye Content(%)- >65 Solubility (15mg/2L Water)(P/F)- Pass more info
Methylene Blue
$96.78
A non-intercalating stain for DNA. A useful inhibitor of cGMP-mediated processes and a useful stain Used after electrophoresis. Less sensitive than... more info
Oil Red O (Lipid stain)
$78.17
High Purity Grade An agent that stains lipids, muscle fibers and alveolar macrophages General lipid stain EM (513nm, acetone) >24,000 Appearance:... more info
Orange G Sodium Salt
$85.82
- High Purity Grade Specifications: Dye Content(%)- >80.0 Lambda Max(nm)- 472-478 Loss on Drying(%)- Report Solubility (0.002%, Water)(P/F)- Pass more info
Phenol Red
$44.39
Phenol Red ACS Grade Em (550 nm, 0.01M NaOH): >62,000 Synonym: Phenolsulfonphthalein; Fenolipuna; Sulfonphthal Used in culture media, phenol red... more info
Phenol Red Sodium Salt
$59.57
Phenol red, sodium salt Specifications: ACS Grade Em (550nm, 0,01M NaOH): >49,000 A small molecule pH indicator Synonym: Phenolsulfonephthalein... more info
Rhodamine B
$42.29
A biotechnology stain used for conjugation to antibodies for use in fluorescence microscopy. Specifications: Reagent Grade A useful fluorochrome for... more info
Rhodamine B Isothiocyanate
$352.78
A biotech stain for conjugation to antibodies and used in fluorescence microscopy. More sensitive than Rhodamine B. R peak: 2100cm-1 TLC (silica,... more info
Rosaniline Chloride
$54.68
Used as a synthetic dye for dyeing fabrics. A flourescent dye used for stainning and for the Ziel-Neelson staining method - High Purity Grade... more info
Rubidium Chloride
$217.21
Specifications: Biotechnology Grade Calcium: <0.01% Iron: <0.01% Lead: <0.01% Magnesium: <0.01% RNase, DNase Activity: None Detected... more info
Safranin-O-Counterstain
$45.22
Safranin O is a biological stain commonly used as a counter stain for gram-negative bacteria in the Gram stain procedure. Safranin O has been... more info
Sudan Black B
$50.17
General lipid stain. A fat-soluble diazo dye Synonym: Solvent Black 3; Fat Black HB Appearance: Solid Boiling Point: 726°C Density: 1.26 g/cm3... more info
Sudan Red IV
$52.18
A red β-naphthol diazo dye used for staining triglycerides, lipids and lipoproteins in cells and tissues Specifications: Absorption Maximum(nm)-... more info