Blue Stains and Dyes and Indicators

Honeywell Fluka™ Bromophenol Blue, Indicator, Reag. Ph. Eur., Honeywell Fluka™

CAS: 115-39-9 Molecular Formula: C19H10Br4O5S Molecular Weight (g/mol): 669.96 MDL Number: MFCD00005875 InChI Key: UDSAIICHUKSCKT-UHFFFAOYSA-N Synonym: 3′,3′′,5′,5′′-Tetrabromophenolsulfonephthalein, Bromophenol Blue (BPB), Bromphenol Blue Sultone Form 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

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

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 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-]

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

CAS: 62625-21-2 Molecular Formula: C27H29NaO5S Molecular Weight (g/mol): 488.574 MDL Number: MFCD00151093 InChI Key: BAVBEHWEOJMHDS-UHFFFAOYSA-M PubChem CID: 23692293 IUPAC Name: sodium;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-ylphenolate 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.[Na+]

Alfa Aesar™ Methyl blue

CAS: 28983-56-4 Molecular Formula: C37H28N3Na2O9S3+ Molecular Weight (g/mol): 800.803 MDL Number: MFCD00058509 InChI Key: MCPLVIGCWWTHFH-UHFFFAOYSA-M Synonym: Acid blue 93; C.I. 42780 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+]

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+]

Trypan Blue, dye content >60%, Alfa Aesar™

CAS: 72-57-1 Molecular Formula: C34H24N6Na4O14S4 Molecular Weight (g/mol): 960.793 MDL Number: MFCD00003969 InChI Key: WMYVHJWZUUEZNE-ARWFNKCKSA-J PubChem CID: 9562061 IUPAC Name: tetrasodium;(3Z)-5-amino-3-[[4-[4-[(2Z)-2-(8-amino-1-oxo-3,6-disulfonatonaphthalen-2-ylidene)hydrazinyl]-3-methylphenyl]-2-methylphenyl]hydrazinylidene]-4-oxonaphthalene-2,7-disulfonate SMILES: CC1=C(C=CC(=C1)C2=CC(=C(C=C2)NN=C3C(=CC4=CC(=CC(=C4C3=O)N)S(=O)(=O)[O-])S(=O)(=O)[O-])C)NN=C5C(=CC6=CC(=CC(=C6C5=O)N)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+].[Na+]

Alfa Aesar™ Thymol Blue

CAS: 76-61-9 Molecular Formula: C27H30O5S Molecular Weight (g/mol): 466.592 MDL Number: MFCD00005869 InChI Key: PRZSXZWFJHEZBJ-UHFFFAOYSA-N 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

Alfa Aesar™ Thymol Blue, ACS

CAS: 76-61-9 Molecular Formula: C27H30O5S Molecular Weight (g/mol): 466.592 MDL Number: MFCD00005869 InChI Key: PRZSXZWFJHEZBJ-UHFFFAOYSA-N Synonym: Thymolsulfonphthalein 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

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+]

Trypan Blue, ACROS Organics™

CAS: 72-57-1 Molecular Formula: C34H24N6Na4O14S4 Molecular Weight (g/mol): 960.793 MDL Number: MFCD00003969 InChI Key: WMYVHJWZUUEZNE-ARWFNKCKSA-J Synonym: C.I. 23850, Direct Blue 14, Niagara Blue 3B PubChem CID: 9562061 IUPAC Name: tetrasodium;(3Z)-5-amino-3-[[4-[4-[(2Z)-2-(8-amino-1-oxo-3,6-disulfonatonaphthalen-2-ylidene)hydrazinyl]-3-methylphenyl]-2-methylphenyl]hydrazinylidene]-4-oxonaphthalene-2,7-disulfonate SMILES: CC1=C(C=CC(=C1)C2=CC(=C(C=C2)NN=C3C(=CC4=CC(=CC(=C4C3=O)N)S(=O)(=O)[O-])S(=O)(=O)[O-])C)NN=C5C(=CC6=CC(=CC(=C6C5=O)N)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+].[Na+]

Alfa Aesar™ Tetrabromophenol Blue

CAS: 4430-25-5 Molecular Formula: C19H6Br8O5S Molecular Weight (g/mol): 985.544 MDL Number: MFCD00005876 InChI Key: QPMIVFWZGPTDPN-UHFFFAOYSA-N Synonym: 3,4,5,6,3',5',3'',5''-Octabromophenolsulfonphthalein PubChem CID: 78159 IUPAC Name: 2,6-dibromo-4-[4,5,6,7-tetrabromo-3-(3,5-dibromo-4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenol SMILES: C1=C(C=C(C(=C1Br)O)Br)C2(C3=C(C(=C(C(=C3Br)Br)Br)Br)S(=O)(=O)O2)C4=CC(=C(C(=C4)Br)O)Br

Alfa Aesar™ Tetranitro blue tetrazolium chloride, 97%

CAS: 1184-43-6 Molecular Formula: C40H30Cl2N12O10+2 Molecular Weight (g/mol): 909.654 MDL Number: MFCD00036338 InChI Key: VCESGVLABVSDRO-UHFFFAOYSA-N Synonym: TNBT PubChem CID: 129893520 IUPAC Name: 2-[4-[4-[3,5-bis(4-nitrophenyl)tetrazol-2-ium-2-yl]-3-methoxyphenyl]-2-methoxyphenyl]-3,5-bis(4-nitrophenyl)tetrazol-2-ium;dihydrochloride SMILES: COC1=C(C=CC(=C1)C2=CC(=C(C=C2)[N+]3=NC(=NN3C4=CC=C(C=C4)[N+](=O)[O-])C5=CC=C(C=C5)[N+](=O)[O-])OC)[N+]6=NC(=NN6C7=CC=C(C=C7)[N+](=O)[O-])C8=CC=C(C=C8)[N+](=O)[O-].Cl.Cl

Thymol Blue, ACROS Organics™

CAS: 76-61-9 Molecular Formula: C27H30O5S Molecular Weight (g/mol): 466.592 MDL Number: MFCD00005869 InChI Key: PRZSXZWFJHEZBJ-UHFFFAOYSA-N Synonym: TB, 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

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-]

Bromothymol Blue sodium salt, 0.04% w/v aqueous solution, Alfa Aesar™

CAS: 34722-90-2 Molecular Formula: C27H27Br2NaO5S Molecular Weight (g/mol): 646.366 MDL Number: MFCD00077263 InChI Key: NMKFVGALBGZKGW-FKWCIMQXSA-M PubChem CID: 102183223 IUPAC Name: sodium;2-bromo-4-[(Z)-(3-bromo-2-methyl-4-oxo-5-propan-2-ylcyclohexa-2,5-dien-1-ylidene)-(2-sulfophenyl)methyl]-3-methyl-6-propan-2-ylphenolate SMILES: CC1=C(C(=C(C=C1C(=C2C=C(C(=O)C(=C2C)Br)C(C)C)C3=CC=CC=C3S(=O)(=O)O)C(C)C)[O-])Br.[Na+]

Alfa Aesar™ Fast Blue BB salt

CAS: 5486-84-0 Molecular Formula: C34H36Cl4N6O6Zn Molecular Weight (g/mol): 831.878 MDL Number: MFCD00074765 InChI Key: CMFRFQODFZBKTI-UHFFFAOYSA-L Synonym: 4-Benzamido-2,5-diethoxybenzene diazonium chloride hemi zinc salt; C.I. 37175 PubChem CID: 131675364 IUPAC Name: zinc;N-(4-diazonio-2,5-diethoxyphenyl)benzenecarboximidate;dichloride;dihydrochloride SMILES: CCOC1=CC(=C(C=C1N=C(C2=CC=CC=C2)[O-])OCC)[N+]#N.CCOC1=CC(=C(C=C1N=C(C2=CC=CC=C2)[O-])OCC)[N+]#N.Cl.Cl.[Cl-].[Cl-].[Zn+2]

Bromothymol Blue, Indicator, ACROS Organics™

CAS: 76-59-5 Molecular Formula: C27H28Br2O5S Molecular Weight (g/mol): 624.384 MDL Number: MFCD00005872 InChI Key: NUHCTOLBWMJMLX-UHFFFAOYSA-N Synonym: Bromthymol Blue, 3';, 3';';-Dibromothymolsulfonephthalein, BTB 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

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

CAS: 165660-27-5 Molecular Formula: C20H12N2Na2O11S3 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]

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-]

Alfa Aesar™ Brilliant Blue G, ultrapure

CAS: 6104-58-1 Molecular Formula: C47H48N3NaO7S2 Molecular Weight (g/mol): 854.025 MDL Number: MFCD00078482 InChI Key: RWVGQQGBQSJDQV-UHFFFAOYSA-M Synonym: Coomassie 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+]

Alfa Aesar™ Methylene Blue trihydrate

CAS: 7220-79-3 Molecular Formula: C16H24ClN3O3S Molecular Weight (g/mol): 373.896 MDL Number: MFCD00150008 InChI Key: XQAXGZLFSSPBMK-UHFFFAOYSA-M Synonym: C.I. 52015; 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-]

Alfa Aesar™ Azure A

CAS: 531-53-3 Molecular Formula: C14H14ClN3S Molecular Weight (g/mol): 291.797 MDL Number: MFCD00012112 InChI Key: NALREUIWICQLPS-UHFFFAOYSA-N Synonym: C.I. 52005 PubChem CID: 13735 IUPAC Name: (7-aminophenothiazin-3-ylidene)-dimethylazanium;chloride SMILES: C[N+](=C1C=CC2=NC3=C(C=C(C=C3)N)SC2=C1)C.[Cl-]

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

CAS: 34725-61-6 MDL Number: MFCD00013793

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]

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, 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]

Nile Blue A, Alfa Aesar™

CAS: 3625-57-8 Molecular Formula: C40H40N6O6S Molecular Weight (g/mol): 732.856 MDL Number: MFCD00064529 InChI Key: QIRDPEPUXNCOLD-UHFFFAOYSA-N Synonym: C.I. 51180; Basic Blue 12 PubChem CID: 19256 IUPAC Name: [9-(diethylamino)benzo[a]phenoxazin-5-ylidene]azanium;sulfate SMILES: CCN(CC)C1=CC2=C(C=C1)N=C3C4=CC=CC=C4C(=[NH2+])C=C3O2.CCN(CC)C1=CC2=C(C=C1)N=C3C4=CC=CC=C4C(=[NH2+])C=C3O2.[O-]S(=O)(=O)[O-]

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-]

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