Blue Stains and Dyes and Indicators

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

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 TSCA: Yes Packaging: Glass bottle Assay: ≥65% dye content

Thymol Blue, ACROS Organics™

Chemical Name or Material: Thymol Blue Name Note: For analysis ACS CAS: 76-61-9 Purity Grade: ACS Reagent Grade Molecular Formula: C27H30O5S Formula Weight: 466.58 MDL Number: MFCD00005869 Synonym: TB

Thymol Blue Sodium Salt, For analysis ACS, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Thymol Blue sodium salt CAS: 62625-21-2 Purity Grade: ACS Reagent Grade Molecular Formula: C27H29NaO5S Formula Weight: 488.58 MDL Number: MFCD00151093

Xylene cyanol FF, ∽75%, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

CAS: 2650-17-1 Physical Form: Powder Assay Percent Notes: ∽75% Molecular Formula: C25H27N2NaO6S2 Formula Weight: 538.61 MDL Number: MFCD00040657 Synonym: Acid blue 147 monosidium salt

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

Bromophenol Blue, ACROS Organics™

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

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: 3';, 3';';-Dibromothymolsulfonephthalein

Methylene Blue hydrate, pure, ACROS Organics™

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

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

Chemical Name or Material: Thymol Blue CAS: 76-61-9 Purity Grade: Certified ACS Grade Molecular Formula: C27H30O5S Formula Weight: 466.6 MDL Number: MFCD00005869 Synonym: Thymolsulfonephthalein

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

Trypan Blue, dye content >60%

Chemical Name or Material: Trypan Blue CAS: 72-57-1 Name Note: dye content >60% Molecular Formula: C34H24N6Na4O14S4 Formula Weight: 960.82 MDL Number: MFCD00003969 Merck Index: 14,9792

Bromothymol Blue Solution (0.04%/Certified), Fisher Chemical

Chemical Name or Material: Bromothymol Blue Solution, 0.04% CAS: 34722-90-2 CAS: 7732-18-5 CAS: 64-02-8 Purity Grade: Certified Grade Assay Percent Range: 0.04% MDL Number: MFCD00077263

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

Bromophenol Blue, pure, 0.1% in water, ACROS Organics™

Chemical Name or Material: Bromophenol Blue CAS: 115-39-9 CAS: 7732-18-5 Purity Grade: Pure Molecular Formula: C19H10Br4O5S Formula Weight: 669.96 Synonym: 3', 3'', 5'

New Methylene Blue N, zinc chloride double salt, pure, ACROS Organics™

Chemical Name or Material: New Methylene Blue N, zinc chloride double salt CAS: 1711654 Purity Grade: Pure Molecular Formula: 0·5 ZnCl2 Formula Weight: 416.04 MDL Number: MFCD00078135 Synonym: Basic Blue 24

Bromothymol Blue, sodium salt, pure, water soluble, indicator, ACROS Organics™

Chemical Name or Material: Bromothymol Blue, sodium salt CAS: 34722-90-2 Purity Grade: Pure Molecular Formula: C27H27Br2NaO5S Formula Weight: 646.35 MDL Number: MFCD00077263 Synonym: 3', 3''-Dibromothymolsulfonephthalein, sodium salt

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

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

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

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

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

Azur eosin methylene-blue, pure, solution according to Giemsa, ACROS Organics™

Chemical Name or Material: Azur eosin methylene-blue CAS: 51811-82-6 CAS: 67-56-1 Purity Grade: Pure MDL Number: MFCD00081642

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

Solvent Blue 38

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

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

Bromothymol Blue, Pure, Conform to ACS, ACROS Organics™

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

Nitro Blue Tetrazolium Chloride monohydrate, 90%, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Nitro Blue Tetrazolium Chloride monohydrate CAS: 298-83-9 CAS Min %: 88.0 CAS Max %: 100.0 CAS: 67-56-1 CAS: 7732-18-5 Assay: ≥88% Assay Percent Range: 90% Molecular Formula: H2O·CH4O Formula Weight: 867.69 MDL Number: MFCD00150013 Synonym: Nitro BT

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

Chemical Name or Material: Prussian Blue CAS: 14038-43-8 Purity Grade: Pure Molecular Formula: C18Fe7N18 Linear Formula: Fe4[Fe(CN)6]3 Formula Weight: 859.25 MDL Number: MFCD00135663 Synonym: C.I. 77510

Celestine Blue, pure, ACROS Organics™

Chemical Name or Material: Celestine blue CAS: 1562-90-9 Purity Grade: Extra Pure Molecular Formula: C17H18ClN3O4 Formula Weight: 363.79 MDL Number: MFCD00011927

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