Blue Stains and Dyes and Indicators

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

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

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

Alfa Aesar™ Solvent Blue 38

Chemical Name or Material: Fast Blue CAS: 1328-51-4 MDL Number: MFCD00071424

Alfa Aesar™ Brilliant Blue R soln., Ready-to-Use

Chemical Name or Material: Brilliant Blue R soln. CAS: 6104-59-2 Name Note: Ready-to-Use Molecular Formula: C45H44N3NaO7S2 Formula Weight: 825.97 MDL Number: MFCD00041762 UN Number: UN1992 Beilstein: 5718025 Synonym: Coomassie Brilliant Blue R; C.I. 42660

Alfa Aesar™ Reactive Blue 4, dye content ca 40%

Chemical Name or Material: Reactive Blue 4 CAS: 13324-20-4 Name Note: dye content ≈40% Molecular Formula: C23H14Cl2N6O8S2 Formula Weight: 637.44 MDL Number: MFCD00001218 Synonym: C.I. 61205; Procion™ Blue MX-R

Alfa Aesar™ Brilliant Blue G, ultrapure

Chemical Name or Material: Brilliant Blue G CAS: 6104-58-1 Name Note: Ultrapure Molecular Formula: C47H48N3NaO7S2 Formula Weight: 854.04 MDL Number: MFCD00078482 Synonym: Coomassie Brilliant Blue G 250; C.I. 42655

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

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

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

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

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: ≥94% (on dry substance) Assay Percent Range: 95% Molecular Formula: C16H18ClN33H2O Formula Weight: 373.89 MDL Number: MFCD00150008 Synonym: Basic Blue 9 trihydrate

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

Brilliant Cresyl Blue Products for Science Education

Chemical Name or Material: Brilliant Cresyl Blue CAS: 81029-05-2 Physical Form: Powder Linear Formula: ZnC34H40Cl4N6O2 Formula Weight: 400.97

Bromochlorophenol Blue, sodium salt, pure, water soluble, ACROS Organics™

Chemical Name or Material: Bromochlorophenol Blue, sodium salt CAS: 102185-52-4 Purity Grade: Extra Pure Molecular Formula: C19H9Br2Cl2NaO5S Formula Weight: 603.03 MDL Number: MFCD00001612

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

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

Methylene Blue Products for Science Education

CAS: 64-17-5 CAS: 722-79-3 Physical Form: Liquid Assay Percent Range: 0.998

Fast Blue BB, 98%, pure, ACROS Organics™

Chemical Name or Material: Fast blue BB Name Note: 98% CAS: 120-00-3 Purity Grade: Extra Pure Assay: ≥97.5% Assay Percent Range: 98% Molecular Formula: C17H20N2O3 Formula Weight: 300.35 MDL Number: MFCD00009091 Synonym: 4'-Amino-2', 5'-diethoxybenzanilide

Evans Blue, ACROS Organics

Chemical Name or Material: Evans Blue CAS: 314-13-6 Molecular Formula: C34H24N6Na4O14S4 Formula Weight: 960.8 MDL Number: MFCD00004021 Synonym: C.I. 23860

Methylene Blue hydrate, pure, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Methylene Blue hydrate CAS: 122965-43-9 Purity Grade: Pure Assay: ≥70% (TiCl3-titration) Molecular Formula: C16H18ClN3S·xH2O Formula Weight: 319.85 Synonym: Basic Blue 9 hydrate

Alfa Aesar™ Rhodanile Blue

Chemical Name or Material: Rhodanile Blue CAS: 14969-56-3 Molecular Formula: C48H48ClN5O3 Formula Weight: 778.4 MDL Number: MFCD00011937

Alfa Aesar™ Bromophenol Blue sodium salt, ACS

Chemical Name or Material: Bromophenol Blue sodium salt CAS: 34725-61-6 Purity Grade: ACS Grade Formula Weight: 691.96 MDL Number: MFCD00013793 Merck Index: 14,1444

Thymol Blue, Indicator, ACROS Organics™

Chemical Name or Material: Thymol Blue CAS: 76-61-9 Purity Grade: Extra Pure Molecular Formula: C27H30O5S Formula Weight: 466.58 MDL Number: MFCD00005869 Synonym: TB

Patent Blue V, sodium salt, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Patent blue V, sodium salt CAS: 20262-76-4 Molecular Formula: C27H31N2NaO7S2 Formula Weight: 582.67 MDL Number: MFCD09608138 Synonym: Acid Blue 3

Methylene Blue Trihydrate (Crystalline/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

Bromothymol Blue, 0.04% Aqueous Solution, ACROS Organics™

Chemical Name or Material: Bromothymol Blue CAS: 34722-90-2 Molecular Formula: C27H28Br2O5S Formula Weight: 646.37 MDL Number: MFCD00077263 Synonym: 3', 3''-Dibromothymolsulfonephthalein, sodium salt

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

Toluidine Blue O, Certified, 65% min dye content, Alfa Aesar™

Formula Weight: 305.83 MDL Number: MFCD00011934 Synonym: Basic Blue 17,C.I. 52040 Physical Form: Powder Chemical Name or Material: Toluidine Blue O Molecular Formula: C15H16ClN3S CAS: 92-31-9 Packaging: Glass bottle Assay: ≥65% dye content

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'

Bromophenol Blue sodium salt, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Bromophenol Blue, sodium salt Name Note: Pure CAS: 62625-28-9 Purity Grade: Pure Molecular Formula: C19H9Br4NaO5S Formula Weight: 691.94 MDL Number: MFCD00013793 Synonym: 3',3'',5',5''-Tetrabromophenolsulfonephthalein

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