Blue Stains and Dyes and Indicators

Alfa Aesar™ Nile Blue A

Chemical Name or Material: Nile Blue A CAS: 3625-57-8 Molecular Formula: C40H40N6O6S Formula Weight: 732.84 MDL Number: MFCD00064529 Synonym: C.I. 51180; Basic Blue 12

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

Alfa Aesar™ Tetrabromophenol Blue

Chemical Name or Material: Tetrabromophenol Blue CAS: 4430-25-5 Molecular Formula: C19H6Br8O5S Formula Weight: 985.55 MDL Number: MFCD00005876 Beilstein: 378438 Synonym: 3,4,5,6,3',5',3'',5''-Octabromophenolsulfonphthalein

Evans Blue (Certified), Fisher Chemical

Chemical Name or Material: Evans Blue CAS: 314-13-6 Purity Grade: Certified Grade Molecular Formula: C34H24N6Na4O14S4 Formula Weight: 960.83 MDL Number: MFCD00004021 Synonym: Azovan blue

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

Chemical Name or Material: Aniline Blue, sodium salt CAS: 28631-66-5 Purity Grade: Pure Molecular Formula: C32H25N3Na2O9S3 Formula Weight: 737.71 MDL Number: MFCD00036130 Synonym: Acid Blue 22

Alfa Aesar™ Bromophenol Blue

Chemical Name or Material: Bromophenol Blue CAS: 115-39-9 Molecular Formula: C19H10Br4O5S Formula Weight: 669.98 MDL Number: MFCD00005875 Beilstein: 61698 Merck Index: 14,1444 Synonym: Bromphenol Blue

Alfa Aesar™ Nitro Blue Tetrazolium chloride, 99%

Chemical Name or Material: Nitro Blue Tetrazolium chloride CAS: 298-83-9 Molecular Formula: C40H30Cl2N10O6 Formula Weight: 817.65 MDL Number: MFCD00012159 Beilstein: 4115923 Synonym: Nitro BT; Nitrotetrazolium Blue chloride

Trypan Blue, ACROS Organics™

Chemical Name or Material: Trypan Blue CAS: 72-57-1 Molecular Formula: C34H24N6Na4O14S4 Formula Weight: 960.78 MDL Number: MFCD00003969 Synonym: C.I. 23850

Alfa Aesar™ Erioglaucine sodium salt

Chemical Name or Material: Erioglaucine sodium salt CAS: 3844-45-9 Molecular Formula: C37H34N2Na2O9S3 Formula Weight: 792.86 MDL Number: MFCD00012141 Merck Index: 14,1373 Synonym: C.I. 42090; Acid Blue 9

Chrome Azurol S, ACROS Organics™

Chemical Name or Material: Chrome Azurol S CAS: 1667-99-8 Molecular Formula: C23H13Cl2Na3O9S Formula Weight: 605.29 MDL Number: MFCD00001615 Synonym: C.I. 43825

Alfa Aesar™ Chicago Sky Blue 6B

Chemical Name or Material: Pontamine Sky Blue 6BX CAS: 2610-05-1 Molecular Formula: C34H24N6Na4O1 Formula Weight: 992.79 MDL Number: MFCD00004020

Nile Blue A, ACROS Organics™

Chemical Name or Material: Nile Blue A Name Note: Pure CAS: 3625-57-8 Purity Grade: Pure Molecular Formula: C40H40N6O2·O4S Formula Weight: 732.87 MDL Number: MFCD00064529 Synonym: C.I. 51180

Alfa Aesar™ Bromothymol Blue

Chemical Name or Material: Bromothymol Blue CAS: 76-59-5 Molecular Formula: C27H28Br2O5S Formula Weight: 624.39 MDL Number: MFCD00005872 Beilstein: 373934 Merck Index: 14,1445 Synonym: Bromthymol Blue

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

Alfa Aesar™ Methylene Blue trihydrate

Chemical Name or Material: Methylene Blue trihydrate CAS: 7220-79-3 Molecular Formula: C16H18ClN3S·3H2O Formula Weight: 373.90 (319.86 Anhydrous) MDL Number: MFCD00150008 Beilstein: 3599847 Merck Index: 14,6060 Synonym: C.I. 52015; Basic Blue 9

Alfa Aesar™ Alkali Blue 4B

Chemical Name or Material: Alkali Blue 4B CAS: 62152-67-4 Molecular Formula: C32H28N3NaO4S Formula Weight: 573.65 MDL Number: MFCD00078891 Synonym: C.I. 42750

Alfa Aesar™ Thymol Blue sodium salt, 0.04% w/v aq. soln.

Chemical Name or Material: Thymol Blue sodium salt CAS: 62625-21-2 Formula Weight: 488.58 MDL Number: MFCD00151093

Toluidine Blue O, pure, ACROS Organics™

Chemical Name or Material: Toluidine blue O CAS: 92-31-9 Purity Grade: Extra Pure Molecular Formula: C15H16ClN3S Formula Weight: 305.82 MDL Number: MFCD00011934 Synonym: Basic blue 17

Bromothymol Blue Solution, 0.04% Products for Science Education

Chemical Name or Material: Bromothymol Blue Solution, 0.04% CAS: 62625-28-9 CAS: 7732-18-5 CAS: 7732-18-5 Physical Form: Liquid Assay Percent Range: 0.04% w/v Formula Weight: 646.37

Victoria Blue B, pure, ACROS Organics™

Chemical Name or Material: Victoria blue B CAS: 2580-56-5 Purity Grade: Extra Pure Molecular Formula: C33H32ClN3 Formula Weight: 506.09 MDL Number: MFCD00011878 Synonym: Basic Blue 26

Hydroxy Naphthol Blue, Disodium Salt, Pure, ACROS Organics™

Chemical Name or Material: Hydroxy Naphthol Blue, disodium salt CAS: 165660-27-5 Purity Grade: ACS Reagent Grade Physical Form: Crystals or Crystalline Powder Molecular Formula: C20H12N2Na2O11S3 Formula Weight: 598.47 MDL Number: MFCD00004075 Synonym: 2,2'-Dihydroxy-1,1'-azonaphthalene-3',4,6'-trisulfonic acid disodium salt

Indoine Blue, Acros Organics™

Infrared Spectrum: Authentic Loss on Drying: 10% max. (110°C, 1 h) Formula Weight: 506.01 Lambda Max: 595 to 601nm (0.001% in methanol) CAS: 4569-88-4 Packaging: Glass bottle Molecular Formula: C30H24ClN5O Chemical Name or Material: Indoine Blue

Alfa Aesar™ Azure II

Chemical Name or Material: Azure II CAS: 37247-10-2 MDL Number: MFCD00080716

Alfa Aesar™ Methyl blue

Chemical Name or Material: Methyl blue CAS: 28983-56-4 Formula Weight: 799.8 MDL Number: MFCD00058509 Synonym: Acid blue 93; C.I. 42780

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

Chemical Name or Material: Patent Blue VF CAS: 129-17-9 Purity Grade: Pure Molecular Formula: C27H31N2NaO6S2 Formula Weight: 566.67 MDL Number: MFCD00012119 Synonym: αzurine 2G

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

Toluidine Blue O Solution, 0.5% Products for Science Education

Chemical Name or Material: Toluidine Blue O Solution, 0.5% CAS: 92-31-9 CAS: 7732-18-5 Purity Grade: Laboratory Grade Assay Percent Range: 0.5% w/v

Alfa Aesar™ Azure C

Chemical Name or Material: Azure C CAS: 531-57-7 Molecular Formula: C13H12ClN3S Formula Weight: 277.78 MDL Number: MFCD00067677 Beilstein: 4060661 Merck Index: 14,929 Synonym: C.I. 52002; 3-Amino-7-(methylamino)phenothiazin-5-ium chloride

Bromophenol Blue, Indicator, Pure, ACROS Organics™

Chemical Name or Material: Bromophenol Blue Name Note: Indicator CAS: 115-39-9 Purity Grade: Pure Molecular Formula: C19H10Br4O5S Formula Weight: 669.96 MDL Number: MFCD00005875 Synonym: 3', 3'', 5'

Methylene Blue Solution, 1% Products for Science Education

Chemical Name or Material: Methylene Blue Solution, 1% CAS: 7220-79-3 CAS: 7732-18-5 Assay Percent Range: 1% w/v Linear Formula: C16H18ClN3S·3H2O Formula Weight: 373.9 Synonym: Basic Blue 9

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