Blue Stains Dyes and Indicators

Hydroxynaphthol Blue (Certified), Fisher Chemical Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Hydroxynaphthol Blue CAS: 63451-35-4 Purity Grade: Certified Grade Molecular Formula: C20H11N2Na3O11S3 Formula Weight: 620.47 MDL Number: MFCD00036393 Synonym: 1-(2-Hydroxy-4-sulfo-1-naphthylazo)-2-naphthol-3,6-disulfonic acid trisodium salt

Methylene Blue Trihydrate (Powder/USP), Fisher Chemical

Chemical Name or Material: Methylene Blue Trihydrate CAS: 7220-79-3 Purity Grade: USP Physical Form: Solid Assay: Inclusive between 98.0% Molecular Formula: C16H18ClN3S · 3 H2O Formula Weight: 373.9 MDL Number: MFCD00150008 Synonym: Basic Blue 9 Trihydrate

Aniline Blue (Water Soluble/Certified Biological Stain), Fisher Chemical

Chemical Name or Material: Aniline Blue CAS: 28631-66-5 Purity Grade: Certified Biological Stain Physical Form: Powder/Solid Molecular Formula: C32 H25N3Na2O9S3 Formula Weight: 799.8 MDL Number: MFCD00036130 Synonym: Acid Blue 93, Methyl Blue, Acid Blue, Soluble Blue

Bromothymol Blue (Certified ACS), Fisher Chemical

Chemical Name or Material: Bromothymol Blue Name Note: pH Indicator CAS: 76-59-5 Purity Grade: Certified ACS Grade Molecular Formula: C27H28Br2O5S Formula Weight: 624.4 MDL Number: MFCD00077263 Synonym: 3«, 3“-Dibromothymolsulfonephthalein

Nitro Blue Tetrazolium, Fisher BioReagents

Chemical Name or Material: Nitro Blue Tetrazolium CAS: 298-83-9 Physical Form: Powder/Solid Molecular Formula: C40H30Cl2N10O6 Formula Weight: 817.65 Synonym: NBT, Nitro BT, p-Nitro Blue Tetrazolium

Bromophenol Blue (Certified ACS), Fisher Chemical

Chemical Name or Material: Bromophenol Blue Name Note: pH Indicator CAS: 115-39-9 Purity Grade: Certified ACS Grade Molecular Formula: C19H10Br4O5S Linear Formula: C6H4SO2OC(C6H2-3, 5-Br2-4-OH)2 Formula Weight: 669.96 MDL Number: MFCD00005875 Synonym: 4,4'-(3H-2,1-Benzoxathiol-3-ylidene) bis-[2,6-dibromophenol] S,S-Dioxide, 4, 4'-(3H-2, 1-Benzoxathiol-3-ylidene) bis-[2

Alfa Aesar™ Azure A

Chemical Name or Material: Azure A CAS: 531-53-3 Molecular Formula: C14H14ClN3S Formula Weight: 291.8 MDL Number: MFCD00012112 Beilstein: 3922287 Merck Index: 14,927 Synonym: C.I. 52005

Methylene Blue (Certified Biological Stain), Fisher Chemical

Chemical Name or Material: Methylene Blue CAS: 7220-79-3 Purity Grade: Certified Biological Stain Molecular Formula: C16H18ClN3S · 3 H2O Formula Weight: 373.9 MDL Number: MFCD00012111 Synonym: Basic Blue 9

Alcian Blue 8GX, certified, ACROS Organics™

Chemical Name or Material: Alcian Blue 8GX CAS: 33864-99-2 Molecular Formula: C56H68Cl4CuN16S4 Formula Weight: 1298.88 MDL Number: MFCD00010720 Synonym: Ingrain Blue 1

Methylene Blue trihydrate, 95%, pure, ACROS Organics™

Chemical Name or Material: Methylene Blue trihydrate Name Note: 95% CAS: 7220-79-3 Purity Grade: Pure Assay: 95% Assay Percent Range: 95% Molecular Formula: C16H18ClN3S·3H2O Formula Weight: 373.89 MDL Number: MFCD00150008 Synonym: Basic Blue 9 trihydrate, C.I. 52015 trihydrate

Bromophenol Blue (Free Acid), Fisher BioReagents

Chemical Name or Material: Bromophenol Blue Name Note: Free Acid CAS: 115-39-9 Molecular Formula: C19H10Br4O5S Formula Weight: 669.96

Methylene Blue, pure, certified, ACROS Organics™

Chemical Name or Material: Methylene Blue CAS: 61-73-4 Purity Grade: Pure Molecular Formula: C16H18ClN3S Formula Weight: 319.85 MDL Number: MFCD00012111 Synonym: Basic Blue 9

Coomassie Brilliant Blue R-250, Fisher BioReagents

Chemical Name or Material: Brilliant Blue R-250 CAS: 6104-59-2 Molecular Formula: C45H44N3NaO7S2 Formula Weight: 825.96 Synonym: Coomassie Blue R-250

Eriochrome Blue Black R Indicator, 0.2% (w/w) in Sodium Chloride, Ricca Chemical

Chemical Name or Material: Eriochrome Blue Black R Indicator CAS: 2538-85-4 CAS: 7647-14-5 Physical Form: Powder

Bromothymol Blue TS (USP), Ricca Chemical

0.1% in dilute Alcohol.pH 6.0 (yellow) - 7.6 (blue).Meets USP Specifications.(Class: 3,UN1987,Pkg Grp: III,Alcohol Solution,n.o.s,Contains: Ethanol and Methanol)

Toluidine Blue O (Certified Biological Stain), Fisher Chemical

Chemical Name or Material: Toluidine Blue O CAS: 92-31-9 Purity Grade: Certified Biological Stain Molecular Formula: C15H16ClN3S Formula Weight: 305.83 MDL Number: MFCD00011934 Synonym: Basic Blue 17, Tolonium Chloride

Coonmassie Brilliant Blue G-250, Fisher BioReagents Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Brilliant Blue G-250 CAS: 6104-58-1 Molecular Formula: C47H48N3O7S2Na Formula Weight: 854.02 Synonym: Coomassie™ Blue G-250

Methylene Blue, 1% (w/v) Aqueous Solution, Ricca Chemical

Chemical Name or Material: Methylene Blue

Bromothymol Blue, Indicator, ACROS Organics™

Chemical Name or Material: Bromothymol Blue CAS: 76-59-5 Purity Grade: Pure Molecular Formula: C27H28Br2O5S Formula Weight: 624.38 MDL Number: MFCD00005872 Synonym: Bromthymol Blue, 3';, 3';';-Dibromothymolsulfonephthalein, BTB

Blue Test Dye, 10X Concentrate, BioTek

For use with ELx405 and ELx50 Microplate Washers

Hydroxy Naphthol Blue in NaCl ACS Reagent Grade, Ricca Chemical

Chemical Name or Material: Hydroxy Naphthol Blue Name Note: In NaCl CAS: 165660-27-5 CAS Min %: 98.0 CAS Max %: 100.0 Purity Grade: ACS Reagent Grade Physical Form: Powder

Aniline Blue, sodium salt, pure, water soluble, high purity biological stain, ACROS Organics™

Chemical Name or Material: Aniline Blue, sodium salt CAS: 28983-56-4 Purity Grade: Pure Molecular Formula: C37H27N3Na2O9S3 Formula Weight: 799.81 MDL Number: MFCD00036130 Synonym: Acid Blue 22, C.I. 42755

Toluidine Blue O, pure, ACROS Organics™

Chemical Name or Material: Toluidine blue O CAS: 92-31-9 Purity Grade: Pure Molecular Formula: C15H16ClN3S Formula Weight: 305.82 MDL Number: MFCD00011934 Synonym: Basic blue 17, C.I. 52040, Tolonium chloride

Patent Blue VF, pure, indicator grade, ACROS Organics™

Chemical Name or Material: Patent Blue VF CAS: 129-17-9 Purity Grade: Pure Molecular Formula: C27H31N2O6S2·Na Formula Weight: 566.67 MDL Number: MFCD00012119 Synonym: Acid Blue 1, C.I. 42045, αzurine 2G, Sulphan blue

Toluidine Blue O, Fisher BioReagents™

Chemical Name or Material: Toluidine Blue O CAS: 92-31-9 Molecular Formula: C15H16ClN3S Formula Weight: 305.65

Alfa Aesar™ Alcian Blue 8GX

Chemical Name or Material: Alcian Blue 8GX CAS: 33864-99-2 Molecular Formula: C56H68Cl4CuN16S4 Formula Weight: 1298.88 MDL Number: MFCD00010720 Merck Index: 14,218 Synonym: Ingrain blue 1; C.I. 74240

  spinner