Blue Stains and Dyes and Indicators

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

CAS: 63451-35-4 Molecular Formula: C20H11N2Na3O11S3 Molecular Weight (g/mol): 620.46 MDL Number: MFCD00036393 InChI Key: JQECMNGWLIFQLL-UHFFFAOYSA-K Synonym: 1-(2-Hydroxy-4-sulfo-1-naphthylazo)-2-naphthol-3,6-disulfonic acid trisodium salt PubChem CID: 44134769 IUPAC Name: trisodium;3-hydroxy-4-[2-(2-oxo-4-sulfonatonaphthalen-1-ylidene)hydrazinyl]naphthalene-2,7-disulfonate SMILES: C1=CC=C2C(=C1)C(=CC(=O)C2=NNC3=C4C=CC(=CC4=CC(=C3O)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+]

Alcian Blue 8GX, certified, ACROS Organics™

CAS: 33864-99-2 Molecular Formula: C56H68Cl4CuN16S4 Molecular Weight (g/mol): 1298.858 MDL Number: MFCD00010720 InChI Key: CKLBXIYTBHXJEH-UHFFFAOYSA-J Synonym: Ingrain Blue 1 PubChem CID: 17749099 SMILES: CN(C)C(=[N+](C)C)SCC1=CC2=C(C=C1)C3=NC4=C5C=C(C=CC5=C([N-]4)N=C6C7=C(C=CC(=C7)CSC(=[N+](C)C)N(C)C)C(=N6)N=C8C9=C(C=CC(=C9)CSC(=[N+](C)C)N(C)C)C(=N8)N=C2[N-]3)CSC(=[N+](C)C)N(C)C.[Cl-].[Cl-].[Cl-].[Cl-].[Cu+2]

Methylene Blue (Certified Biological Stain), Fisher Chemical

CAS: 7220-79-3 Molecular Formula: C16H24ClN3O3S Molecular Weight (g/mol): 373.896 MDL Number: MFCD00012111 InChI Key: XQAXGZLFSSPBMK-UHFFFAOYSA-M Synonym: Basic Blue 9 PubChem CID: 104827 IUPAC Name: [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride;trihydrate SMILES: CN(C)C1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C=C3S2.O.O.O.[Cl-]

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

CAS: 165660-27-5 Molecular Formula: C20H14N2Na2O11S3 Molecular Weight (g/mol): 600.495 MDL Number: MFCD00004075 InChI Key: LXJHFXHZWYBBKJ-LUUCHEBKSA-N Synonym: 2,2'-Dihydroxy-1,1'-azonaphthalene-3',4,6'-trisulfonic acid disodium salt PubChem CID: 131849366 IUPAC Name: 3-hydroxy-4-[(2Z)-2-(2-oxo-4-sulfonaphthalen-1-ylidene)hydrazinyl]naphthalene-2,7-disulfonic acid;sodium SMILES: C1=CC=C2C(=C1)C(=CC(=O)C2=NNC3=C4C=CC(=CC4=CC(=C3O)S(=O)(=O)O)S(=O)(=O)O)S(=O)(=O)O.[Na].[Na]

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

CAS: 7220-79-3 Molecular Formula: C16H24ClN3O3S Molecular Weight (g/mol): 373.896 MDL Number: MFCD00150008 InChI Key: XQAXGZLFSSPBMK-UHFFFAOYSA-M Synonym: Basic Blue 9 trihydrate, C.I. 52015 trihydrate PubChem CID: 104827 IUPAC Name: [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride;trihydrate SMILES: CN(C)C1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C=C3S2.O.O.O.[Cl-]

Bromophenol Blue (Certified ACS), Fisher Chemical

CAS: 115-39-9 Molecular Formula: C19H10Br4O5S Molecular Weight (g/mol): 669.96 MDL Number: MFCD00005875 InChI Key: UDSAIICHUKSCKT-UHFFFAOYSA-N 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 PubChem CID: 8272 ChEBI: CHEBI:59424 IUPAC Name: 2,6-dibromo-4-[3-(3,5-dibromo-4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenol SMILES: C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC(=C(C(=C3)Br)O)Br)C4=CC(=C(C(=C4)Br)O)Br

Luxol Fast Blue MBSN, pure, ACROS Organics™

CAS: 1328-51-4 Molecular Formula: C32H14CuN8Na2O6S2 Molecular Weight (g/mol): 780.16 MDL Number: MFCD00071424 InChI Key: DKBXPLYSDKSFEQ-UHFFFAOYSA-L Synonym: Solvent Blue 38 PubChem CID: 92030797 SMILES: C1=CC=C2C(=C1)C3=NC4=C5C=CC=CC5=C([N-]4)N=C6C7=C(C=CC=C7S(=O)(=O)[O-])C(=N6)N=C8C9=C(C(=CC=C9)S(=O)(=O)[O-])C(=N8)N=C2[N-]3.[Na+].[Na+].[Cu+2]

Toluidine Blue O, pure, ACROS Organics™

CAS: 92-31-9 Molecular Formula: C15H16ClN3S Molecular Weight (g/mol): 305.824 MDL Number: MFCD00011934 InChI Key: GEDVVYWLPUPJJZ-UHFFFAOYSA-N Synonym: Basic blue 17, C.I. 52040, Tolonium chloride PubChem CID: 7083 IUPAC Name: (7-amino-8-methylphenothiazin-3-ylidene)-dimethylazanium;chloride SMILES: CC1=CC2=C(C=C1N)SC3=CC(=[N+](C)C)C=CC3=N2.[Cl-]

Bromothymol Blue (Certified ACS), Fisher Chemical

CAS: 76-59-5 Molecular Formula: C27H28Br2O5S Molecular Weight (g/mol): 624.384 MDL Number: MFCD00077263 InChI Key: NUHCTOLBWMJMLX-UHFFFAOYSA-N Synonym: 3«, 3“-Dibromothymolsulfonephthalein PubChem CID: 6450 ChEBI: CHEBI:86155 IUPAC Name: 2-bromo-4-[3-(3-bromo-4-hydroxy-2-methyl-5-propan-2-ylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-3-methyl-6-propan-2-ylphenol SMILES: CC1=C(C(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C(=C4C)Br)O)C(C)C)C(C)C)O)Br

Methylene Blue, pure, certified, ACROS Organics™

CAS: 7220-79-3 Molecular Formula: C16H24ClN3O3S Molecular Weight (g/mol): 373.90 MDL Number: MFCD00012111 InChI Key: XQAXGZLFSSPBMK-UHFFFAOYSA-M Synonym: Basic Blue 9 PubChem CID: 6099 ChEBI: CHEBI:6872 IUPAC Name: [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride SMILES: CN(C)C1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C=C3S2.[Cl-]

Nitro Blue Tetrazolium, Fisher BioReagents

CAS: 298-83-9 Molecular Formula: C40H30Cl2N10O6 Molecular Weight (g/mol): 817.644 InChI Key: FSVCQIDHPKZJSO-UHFFFAOYSA-L Synonym: NBT, Nitro BT, p-Nitro Blue Tetrazolium PubChem CID: 9281 ChEBI: CHEBI:9505 IUPAC Name: 2-[2-methoxy-4-[3-methoxy-4-[3-(4-nitrophenyl)-5-phenyltetrazol-2-ium-2-yl]phenyl]phenyl]-3-(4-nitrophenyl)-5-phenyltetrazol-2-ium;dichloride SMILES: COC1=C(C=CC(=C1)C2=CC(=C(C=C2)[N+]3=NC(=NN3C4=CC=C(C=C4)[N+](=O)[O-])C5=CC=CC=C5)OC)[N+]6=NC(=NN6C7=CC=C(C=C7)[N+](=O)[O-])C8=CC=CC=C8.[Cl-].[Cl-]

Brilliant Blue G, pure, ACROS Organics™

CAS: 6104-58-1 Molecular Formula: C47H48N3NaO7S2 Molecular Weight (g/mol): 854.025 MDL Number: MFCD00078482 InChI Key: RWVGQQGBQSJDQV-UHFFFAOYSA-M Synonym: Acid Blue 90, Brilliant Blue G 250, C.I. 42655 PubChem CID: 6328534 IUPAC Name: sodium;3-[[4-[(Z)-[4-(4-ethoxyanilino)phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]-2-methylcyclohexa-2,5-dien-1-ylidene]methyl]-N-ethyl-3-methylanilino]methyl]benzenesulfonate SMILES: CCN(CC1=CC(=CC=C1)S(=O)(=O)[O-])C2=CC(=C(C=C2)C(=C3C=CC(=[N+](CC)CC4=CC(=CC=C4)S(=O)(=O)[O-])C=C3C)C5=CC=C(C=C5)NC6=CC=C(C=C6)OCC)C.[Na+]

Methylene Blue, Fisher BioReagents™

CAS: 7220-79-3 Molecular Formula: C16H24ClN3O3S Molecular Weight (g/mol): 373.896 InChI Key: XQAXGZLFSSPBMK-UHFFFAOYSA-M PubChem CID: 104827 IUPAC Name: [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride;trihydrate SMILES: CN(C)C1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C=C3S2.O.O.O.[Cl-]

Coomassie Brilliant Blue R-250, Fisher BioReagents

CAS: 6104-59-2 Molecular Formula: C45H44N3NaO7S2 Molecular Weight (g/mol): 825.971 InChI Key: NKLPQNGYXWVELD-UHFFFAOYSA-M Synonym: Coomassie Blue R-250 PubChem CID: 61365 IUPAC Name: sodium;3-[[4-[[4-(4-ethoxyanilino)phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]-N-ethylanilino]methyl]benzenesulfonate SMILES: CCN(CC1=CC(=CC=C1)S(=O)(=O)[O-])C2=CC=C(C=C2)C(=C3C=CC(=[N+](CC)CC4=CC(=CC=C4)S(=O)(=O)[O-])C=C3)C5=CC=C(C=C5)NC6=CC=C(C=C6)OCC.[Na+]

Brilliant Blue R, pure, ACROS Organics™

CAS: 6104-59-2 Molecular Formula: C45H44N3NaO7S2 Molecular Weight (g/mol): 825.971 MDL Number: MFCD00041762 InChI Key: NKLPQNGYXWVELD-UHFFFAOYSA-M Synonym: Acid Blue 83, C.I. 42660, Coomassie™ Brilliant Blue R-250 PubChem CID: 61365 IUPAC Name: sodium;3-[[4-[[4-(4-ethoxyanilino)phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]-N-ethylanilino]methyl]benzenesulfonate SMILES: CCN(CC1=CC(=CC=C1)S(=O)(=O)[O-])C2=CC=C(C=C2)C(=C3C=CC(=[N+](CC)CC4=CC(=CC=C4)S(=O)(=O)[O-])C=C3)C5=CC=C(C=C5)NC6=CC=C(C=C6)OCC.[Na+]

Alfa Aesar™ Nitro Blue Tetrazolium chloride, 99%

CAS: 298-83-9 Molecular Formula: C40H30Cl2N10O6 Molecular Weight (g/mol): 817.644 MDL Number: MFCD00012159 InChI Key: FSVCQIDHPKZJSO-UHFFFAOYSA-L Synonym: Nitro BT; Nitrotetrazolium Blue chloride PubChem CID: 9281 ChEBI: CHEBI:9505 IUPAC Name: 2-[2-methoxy-4-[3-methoxy-4-[3-(4-nitrophenyl)-5-phenyltetrazol-2-ium-2-yl]phenyl]phenyl]-3-(4-nitrophenyl)-5-phenyltetrazol-2-ium;dichloride SMILES: COC1=C(C=CC(=C1)C2=CC(=C(C=C2)[N+]3=NC(=NN3C4=CC=C(C=C4)[N+](=O)[O-])C5=CC=CC=C5)OC)[N+]6=NC(=NN6C7=CC=C(C=C7)[N+](=O)[O-])C8=CC=CC=C8.[Cl-].[Cl-]

Thymol Blue (Certified ACS), Fisher Chemical

CAS: 76-61-9 Molecular Formula: C27H30O5S Molecular Weight (g/mol): 466.592 MDL Number: MFCD00005869 InChI Key: PRZSXZWFJHEZBJ-UHFFFAOYSA-N Synonym: Thymolsulfonephthalein PubChem CID: 65565 IUPAC Name: 4-[3-(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-5-methyl-2-propan-2-ylphenol SMILES: CC1=CC(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C=C4C)O)C(C)C)C(C)C)O

Prussian Blue, pure, ACROS Organics™

CAS: 14038-43-8 Molecular Formula: C18Fe7N18 Molecular Weight (g/mol): 859.239 MDL Number: MFCD00135663 InChI Key: DCYOBGZUOMKFPA-UHFFFAOYSA-N Synonym: C.I. 77510, Ferric ferrocyanide, Ferric ferrocyanide, Pigment Blue 27 PubChem CID: 2724251 IUPAC Name: iron(2+);iron(3+);octadecacyanide SMILES: [C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[Fe+2].[Fe+2].[Fe+2].[Fe+3].[Fe+3].[Fe+3].[Fe+3]

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

CAS: 28631-66-5 Molecular Formula: C32H26N3Na2O9S3+ Molecular Weight (g/mol): 738.732 MDL Number: MFCD00036130 InChI Key: XOSXWYQMOYSSKB-UHFFFAOYSA-M Synonym: Acid Blue 93, Methyl Blue, Acid Blue, Soluble Blue PubChem CID: 131675892 IUPAC Name: disodium;4-[[4-[(4-amino-3-methyl-5-sulfophenyl)-[4-(4-sulfoanilino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]amino]benzenesulfonate SMILES: CC1=C(C(=CC(=C1)C(=C2C=CC(=NC3=CC=C(C=C3)S(=O)(=O)[O-])C=C2)C4=CC=C(C=C4)NC5=CC=C(C=C5)S(=O)(=O)O)S(=O)(=O)O)N.[Na+].[Na+]

Evans Blue (Certified), Fisher Chemical

CAS: 314-13-6 Molecular Formula: C34H24N6Na4O14S4 Molecular Weight (g/mol): 960.793 MDL Number: MFCD00004021 InChI Key: KBNIFDASRCWYGC-UHFFFAOYSA-J Synonym: Azovan blue PubChem CID: 24832074 IUPAC Name: tetrasodium;4-amino-6-[[4-[4-[2-(8-amino-1-oxo-5,7-disulfonatonaphthalen-2-ylidene)hydrazinyl]-3-methylphenyl]-2-methylphenyl]hydrazinylidene]-5-oxonaphthalene-1,3-disulfonate SMILES: CC1=C(C=CC(=C1)C2=CC(=C(C=C2)NN=C3C=CC4=C(C3=O)C(=C(C=C4S(=O)(=O)[O-])S(=O)(=O)[O-])N)C)NN=C5C=CC6=C(C5=O)C(=C(C=C6S(=O)(=O)[O-])S(=O)(=O)[O-])N.[Na+].[Na+].[Na+].[Na+]

Hydroxy Naphthol Blue in NaCl ACS Reagent Grade, Ricca Chemical

CAS: 165660-27-5 Molecular Formula: C20H14N2Na2O11S3 Molecular Weight (g/mol): 600.495 InChI Key: LXJHFXHZWYBBKJ-LUUCHEBKSA-N PubChem CID: 131849366 IUPAC Name: 3-hydroxy-4-[(2Z)-2-(2-oxo-4-sulfonaphthalen-1-ylidene)hydrazinyl]naphthalene-2,7-disulfonic acid;sodium SMILES: C1=CC=C2C(=C1)C(=CC(=O)C2=NNC3=C4C=CC(=CC4=CC(=C3O)S(=O)(=O)O)S(=O)(=O)O)S(=O)(=O)O.[Na].[Na]

Blue Test Dye, 10X Concentrate, BioTek

For use with ELx405 and ELx50 Microplate Washers

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

CAS: 6104-58-1 Molecular Formula: C47H48N3NaO7S2 Molecular Weight (g/mol): 854.025 InChI Key: RWVGQQGBQSJDQV-UHFFFAOYSA-M Synonym: Coomassie™ Blue G-250 PubChem CID: 6328534 IUPAC Name: sodium;3-[[4-[(Z)-[4-(4-ethoxyanilino)phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]-2-methylcyclohexa-2,5-dien-1-ylidene]methyl]-N-ethyl-3-methylanilino]methyl]benzenesulfonate SMILES: CCN(CC1=CC(=CC=C1)S(=O)(=O)[O-])C2=CC(=C(C=C2)C(=C3C=CC(=[N+](CC)CC4=CC(=CC=C4)S(=O)(=O)[O-])C=C3C)C5=CC=C(C=C5)NC6=CC=C(C=C6)OCC)C.[Na+]

Nitro Blue Tetrazolium Chloride monohydrate, 90%, ACROS Organics™

CAS: 298-83-9 Molecular Formula: C40H30Cl2N10O6 Molecular Weight (g/mol): 817.644 MDL Number: MFCD00150013 InChI Key: FSVCQIDHPKZJSO-UHFFFAOYSA-L Synonym: Nitro BT, Nitro blue tetrazolium PubChem CID: 9281 ChEBI: CHEBI:9505 IUPAC Name: 2-[2-methoxy-4-[3-methoxy-4-[3-(4-nitrophenyl)-5-phenyltetrazol-2-ium-2-yl]phenyl]phenyl]-3-(4-nitrophenyl)-5-phenyltetrazol-2-ium;dichloride SMILES: COC1=C(C=CC(=C1)C2=CC(=C(C=C2)[N+]3=NC(=NN3C4=CC=C(C=C4)[N+](=O)[O-])C5=CC=CC=C5)OC)[N+]6=NC(=NN6C7=CC=C(C=C7)[N+](=O)[O-])C8=CC=CC=C8.[Cl-].[Cl-]

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

CAS: 28983-56-4 Molecular Formula: C37H28N3Na2O9S3+ Molecular Weight (g/mol): 800.803 MDL Number: MFCD00036130 InChI Key: MCPLVIGCWWTHFH-UHFFFAOYSA-M Synonym: Acid Blue 22, C.I. 42755 PubChem CID: 76956083 IUPAC Name: disodium;4-[4-[[4-(4-sulfoanilino)phenyl]-[4-(4-sulfonatophenyl)azaniumylidenecyclohexa-2,5-dien-1-ylidene]methyl]anilino]benzenesulfonate SMILES: C1=CC(=[NH+]C2=CC=C(C=C2)S(=O)(=O)[O-])C=CC1=C(C3=CC=C(C=C3)NC4=CC=C(C=C4)S(=O)(=O)O)C5=CC=C(C=C5)NC6=CC=C(C=C6)S(=O)(=O)[O-].[Na+].[Na+]

Celestine Blue, pure, ACROS Organics™

CAS: 1562-90-9 Molecular Formula: C17H18ClN3O4 Molecular Weight (g/mol): 363.798 MDL Number: MFCD00011927 InChI Key: OJAMERVLRXYMPD-UHFFFAOYSA-N PubChem CID: 54684697 IUPAC Name: 7-(diethylamino)-4-hydroxy-3-oxophenoxazin-10-ium-1-carboxamide;chloride SMILES: CCN(CC)C1=CC2=C(C=C1)[NH+]=C3C(=CC(=O)C(=C3O2)O)C(=O)N.[Cl-]

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