Stains and Dyes

A variety of solutions used to selectively bind to and enhance the visibility of biological structures using color and/or fluorescence; used for histology, protein staining, electrophoresis, bacterial classification, blotting, etc.

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361 – 375 of 7,223 results

361

Starch Indicator, 1% (w/v), with Chloroform preservative, Ricca Chemical

Pricing & Availability
Specifications

Name Note	With Chloroform Preservative
Percent Purity	1% W/V
CAS	67-66-3
Color	Colorless
Physical Form	Liquid
pH	5 to 7
CAS Min %	0.1
Chemical Name or Material	Starch Indicator
Grade	Indicator
Concentration	1% (w/v)
Solvent or Matrix	Aqueous Solution
CAS Max %	0.4

362

Azure C

CAS: 531-57-7 Molecular Formula: C13H12ClN3S Molecular Weight (g/mol): 277.77 MDL Number: MFCD00067677 InChI Key: DDGMDTGNGDOUPX-UHFFFAOYSA-N Synonym: C.I. 52002; 3-Amino-7-(methylamino)phenothiazin-5-ium chloride PubChem CID: 68277 IUPAC Name: (7-aminophenothiazin-3-ylidene)-methylazanium;chloride SMILES: C[NH+]=C1C=CC2=NC3=C(C=C(C=C3)N)SC2=C1.[Cl-]

Pricing & Availability
Specifications

PubChem CID	68277
CAS	531-57-7
Molecular Weight (g/mol)	277.77
MDL Number	MFCD00067677
SMILES	C[NH+]=C1C=CC2=NC3=C(C=C(C=C3)N)SC2=C1.[Cl-]
Synonym	C.I. 52002; 3-Amino-7-(methylamino)phenothiazin-5-ium chloride
IUPAC Name	(7-aminophenothiazin-3-ylidene)-methylazanium;chloride
InChI Key	DDGMDTGNGDOUPX-UHFFFAOYSA-N
Molecular Formula	C13H12ClN3S

363

Pigment Green 7, TCI America™

CAS: 1328-53-6 Molecular Formula: C32Cl16CuN8 Molecular Weight (g/mol): 1127.154 MDL Number: MFCD00053950 InChI Key: ABFKYPFPQRDCGM-UHFFFAOYSA-N Synonym: Phthalocyanine Green PubChem CID: 6508016 SMILES: C12=C(C(=C(C(=C1Cl)Cl)Cl)Cl)C3=NC4=NC(=NC5=NC(=NC6=C7C(=C([N-]6)N=C2[N-]3)C(=C(C(=C7Cl)Cl)Cl)Cl)C8=C5C(=C(C(=C8Cl)Cl)Cl)Cl)C9=C4C(=C(C(=C9Cl)Cl)Cl)Cl.[Cu+2]

Pricing & Availability
Specifications

PubChem CID	6508016
CAS	1328-53-6
Molecular Weight (g/mol)	1127.154
MDL Number	MFCD00053950
SMILES	C12=C(C(=C(C(=C1Cl)Cl)Cl)Cl)C3=NC4=NC(=NC5=NC(=NC6=C7C(=C([N-]6)N=C2[N-]3)C(=C(C(=C7Cl)Cl)Cl)Cl)C8=C5C(=C(C(=C8Cl)Cl)Cl)Cl)C9=C4C(=C(C(=C9Cl)Cl)Cl)Cl.[Cu+2]
Synonym	Phthalocyanine Green
InChI Key	ABFKYPFPQRDCGM-UHFFFAOYSA-N
Molecular Formula	C32Cl16CuN8

364

Calmagite Indicator, 0.1% Aqueous, for Hardness, Certified, LabChem™

CAS: 3147-14-6 Molecular Formula: C17H14N2O5S Molecular Weight (g/mol): 358.368 InChI Key: ASFVMSDYPYMUFL-UHFFFAOYSA-N PubChem CID: 6364506 IUPAC Name: 4-[(2-hydroxy-5-methylphenyl)hydrazinylidene]-3-oxonaphthalene-1-sulfonic acid SMILES: CC1=CC(=C(C=C1)O)NN=C2C3=CC=CC=C3C(=CC2=O)S(=O)(=O)O

Pricing & Availability
Specifications

PubChem CID	6364506
CAS	3147-14-6
Molecular Weight (g/mol)	358.368
SMILES	CC1=CC(=C(C=C1)O)NN=C2C3=CC=CC=C3C(=CC2=O)S(=O)(=O)O
IUPAC Name	4-[(2-hydroxy-5-methylphenyl)hydrazinylidene]-3-oxonaphthalene-1-sulfonic acid
InChI Key	ASFVMSDYPYMUFL-UHFFFAOYSA-N
Molecular Formula	C17H14N2O5S

365

Chrome Azurol S, MP Biomedicals™

CAS: 1667-99-8 Molecular Formula: C23H13Cl2Na3O9S Molecular Weight (g/mol): 605.277 MDL Number: MFCD00001615 InChI Key: FUIZKNBTOOKONL-UHFFFAOYSA-K Synonym: Mordant Blue 29,C.I. 43825 PubChem CID: 54736314 IUPAC Name: trisodium;5-[(3-carboxy-5-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)-(2,6-dichloro-3-sulfonatophenyl)methyl]-3-methyl-2-oxidobenzoate SMILES: CC1=CC(=CC(=C1[O-])C(=O)[O-])C(=C2C=C(C(=O)C(=C2)C(=O)O)C)C3=C(C=CC(=C3Cl)S(=O)(=O)[O-])Cl.[Na+].[Na+].[Na+]

Pricing & Availability
Specifications

PubChem CID	54736314
CAS	1667-99-8
Molecular Weight (g/mol)	605.277
MDL Number	MFCD00001615
SMILES	CC1=CC(=CC(=C1[O-])C(=O)[O-])C(=C2C=C(C(=O)C(=C2)C(=O)O)C)C3=C(C=CC(=C3Cl)S(=O)(=O)[O-])Cl.[Na+].[Na+].[Na+]
Synonym	Mordant Blue 29,C.I. 43825
IUPAC Name	trisodium;5-[(3-carboxy-5-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)-(2,6-dichloro-3-sulfonatophenyl)methyl]-3-methyl-2-oxidobenzoate
InChI Key	FUIZKNBTOOKONL-UHFFFAOYSA-K
Molecular Formula	C23H13Cl2Na3O9S

366

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Thermo Scientific Chemicals Chromotrope 2R, pure

CAS: 4197-07-3 Molecular Formula: C16H10N2Na2O8S2 Molecular Weight (g/mol): 468.36 MDL Number: MFCD00003955 InChI Key: XTJONEUTTZZRAB-VZRGYXGKSA-L Synonym: 4,5-Dihydroxy-3-phenylazo-2,7-naphthalenedisulfonic acid, disodium salt,C.I. 16570,4, 5-Dihydroxy-3-phenylazo-2, 7-naphthalenedisulfonic acid PubChem CID: 44135388 IUPAC Name: disodium;5-hydroxy-4-oxo-3-(phenylhydrazinylidene)naphthalene-2,7-disulfonate SMILES: C1=CC=C(C=C1)NN=C2C(=CC3=CC(=CC(=C3C2=O)O)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]

Pricing & Availability
Specifications

PubChem CID	44135388
CAS	4197-07-3
Molecular Weight (g/mol)	468.36
MDL Number	MFCD00003955
SMILES	C1=CC=C(C=C1)NN=C2C(=CC3=CC(=CC(=C3C2=O)O)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]
Synonym	4,5-Dihydroxy-3-phenylazo-2,7-naphthalenedisulfonic acid, disodium salt,C.I. 16570,4, 5-Dihydroxy-3-phenylazo-2, 7-naphthalenedisulfonic acid
IUPAC Name	disodium;5-hydroxy-4-oxo-3-(phenylhydrazinylidene)naphthalene-2,7-disulfonate
InChI Key	XTJONEUTTZZRAB-VZRGYXGKSA-L
Molecular Formula	C16H10N2Na2O8S2

367

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Thermo Scientific Chemicals Evans Blue

CAS: 314-13-6 Molecular Formula: C34H24N6Na4O14S4 Molecular Weight (g/mol): 960.79 MDL Number: MFCD00004021 InChI Key: KBNIFDASRCWYGC-GXNXWABVSA-J Synonym: C.I. 23860,Direct Blue 53 PubChem CID: 24832074 IUPAC Name: tetrasodium (6E)-4-amino-6-[2-(4'-{2-[(2E)-8-amino-1-oxo-5,7-disulfonato-1,2-dihydronaphthalen-2-ylidene]hydrazin-1-yl}-3,3'-dimethyl-[1,1'-biphenyl]-4-yl)hydrazin-1-ylidene]-5-oxo-5,6-dihydronaphthalene-1,3-disulfonate SMILES: [Na+].[Na+].[Na+].[Na+].CC1=CC(=CC=C1N\N=C1/C=CC2=C(C=C(C(N)=C2C1=O)S([O-])(=O)=O)S([O-])(=O)=O)C1=CC=C(N\N=C2/C=CC3=C(C=C(C(N)=C3C2=O)S([O-])(=O)=O)S([O-])(=O)=O)C(C)=C1

Pricing & Availability
Specifications

PubChem CID	24832074
CAS	314-13-6
Molecular Weight (g/mol)	960.79
MDL Number	MFCD00004021
SMILES	[Na+].[Na+].[Na+].[Na+].CC1=CC(=CC=C1N\N=C1/C=CC2=C(C=C(C(N)=C2C1=O)S([O-])(=O)=O)S([O-])(=O)=O)C1=CC=C(N\N=C2/C=CC3=C(C=C(C(N)=C3C2=O)S([O-])(=O)=O)S([O-])(=O)=O)C(C)=C1
Synonym	C.I. 23860,Direct Blue 53
IUPAC Name	tetrasodium (6E)-4-amino-6-[2-(4'-{2-[(2E)-8-amino-1-oxo-5,7-disulfonato-1,2-dihydronaphthalen-2-ylidene]hydrazin-1-yl}-3,3'-dimethyl-[1,1'-biphenyl]-4-yl)hydrazin-1-ylidene]-5-oxo-5,6-dihydronaphthalene-1,3-disulfonate
InChI Key	KBNIFDASRCWYGC-GXNXWABVSA-J
Molecular Formula	C34H24N6Na4O14S4

368

MilliporeSigma™ Loffler's Methylene Blue Solution

Used as bacteriological counter staining of gonococcal, lactic acid bacteria.

Pricing & Availability
Specifications

Storage Requirements	15° to 25°C

369

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Aluminon

CAS: 569-58-4 Molecular Formula: C22H23N3O9 Molecular Weight (g/mol): 473.438 MDL Number: MFCD00040925 InChI Key: AIPNSHNRCQOTRI-UHFFFAOYSA-N Synonym: Aurintricarboxylic acid, triammonium salt PubChem CID: 54729869 ChEBI: CHEBI:87398 IUPAC Name: triazanium;5-[(3-carboxy-4-oxidophenyl)-(3-carboxy-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]-2-oxidobenzoate SMILES: C1=CC(=C(C=C1C(=C2C=CC(=O)C(=C2)C(=O)O)C3=CC(=C(C=C3)[O-])C(=O)[O-])C(=O)O)[O-].[NH4+].[NH4+].[NH4+]

Pricing & Availability
Specifications

PubChem CID	54729869
CAS	569-58-4
Molecular Weight (g/mol)	473.438
ChEBI	CHEBI:87398
MDL Number	MFCD00040925
SMILES	C1=CC(=C(C=C1C(=C2C=CC(=O)C(=C2)C(=O)O)C3=CC(=C(C=C3)[O-])C(=O)[O-])C(=O)O)[O-].[NH4+].[NH4+].[NH4+]
Synonym	Aurintricarboxylic acid, triammonium salt
IUPAC Name	triazanium;5-[(3-carboxy-4-oxidophenyl)-(3-carboxy-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]-2-oxidobenzoate
InChI Key	AIPNSHNRCQOTRI-UHFFFAOYSA-N
Molecular Formula	C22H23N3O9

370

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Thermo Scientific Chemicals Acridine Orange, hydrochloride hydrate, pure, ca. 80 % dye content

CAS: 1704465-79-1 Molecular Formula: C17H20ClN3 Molecular Weight (g/mol): 301.82 MDL Number: MFCD00150070 InChI Key: VSTHNGLPHBTRMB-UHFFFAOYSA-N Synonym: Basic orange 14,3, 6-Bis(dimethylamino)acridine hydrochloride,C.I. 46005 PubChem CID: 517204 ChEBI: CHEBI:51739 IUPAC Name: N3,N3,N6,N6-tetramethylacridine-3,6-diamine hydrochloride SMILES: Cl.CN(C)C1=CC2=NC3=CC(=CC=C3C=C2C=C1)N(C)C

Pricing & Availability
Specifications

PubChem CID	517204
CAS	1704465-79-1
Molecular Weight (g/mol)	301.82
ChEBI	CHEBI:51739
MDL Number	MFCD00150070
SMILES	Cl.CN(C)C1=CC2=NC3=CC(=CC=C3C=C2C=C1)N(C)C
Synonym	Basic orange 14,3, 6-Bis(dimethylamino)acridine hydrochloride,C.I. 46005
IUPAC Name	N3,N3,N6,N6-tetramethylacridine-3,6-diamine hydrochloride
InChI Key	VSTHNGLPHBTRMB-UHFFFAOYSA-N
Molecular Formula	C17H20ClN3

371

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Thermo Scientific Chemicals Methyl Red, sodium salt, pure, indicator

CAS: 845-10-3 Molecular Formula: C15H14N3NaO2 Molecular Weight (g/mol): 291.286 MDL Number: MFCD00002426 InChI Key: GNTPCYMJCJNRQB-UHFFFAOYSA-M Synonym: 2-[4-(Dimethylamino)phenylazo]benzoic acid, sodium salt,C.I. 13020,MR PubChem CID: 4465632 IUPAC Name: sodium;2-[[4-(dimethylamino)phenyl]diazenyl]benzoate SMILES: CN(C)C1=CC=C(C=C1)N=NC2=CC=CC=C2C(=O)[O-].[Na+]

Pricing & Availability
Specifications

PubChem CID	4465632
CAS	845-10-3
Molecular Weight (g/mol)	291.286
MDL Number	MFCD00002426
SMILES	CN(C)C1=CC=C(C=C1)N=NC2=CC=CC=C2C(=O)[O-].[Na+]
Synonym	2-[4-(Dimethylamino)phenylazo]benzoic acid, sodium salt,C.I. 13020,MR
IUPAC Name	sodium;2-[[4-(dimethylamino)phenyl]diazenyl]benzoate
InChI Key	GNTPCYMJCJNRQB-UHFFFAOYSA-M
Molecular Formula	C15H14N3NaO2

372

Fast Green FCF, MP Biomedicals

CAS: 2353-45-9 Molecular Formula: C37H34N2Na2O10S3 Molecular Weight (g/mol): 808.84 MDL Number: MFCD00013053 InChI Key: XJBPDZVCYTYRIN-UHFFFAOYSA-L PubChem CID: 16887 IUPAC Name: disodium bis(4-{ethyl[(3-sulfonatophenyl)methyl]amino}phenyl)(4-hydroxy-2-sulfonatophenyl)methylium SMILES: [Na+].[Na+].CCN(CC1=CC=CC(=C1)S([O-])(=O)=O)C1=CC=C(C=C1)[C+](C1=CC=C(C=C1)N(CC)CC1=CC=CC(=C1)S([O-])(=O)=O)C1=CC=C(O)C=C1S([O-])(=O)=O

Pricing & Availability
Specifications

PubChem CID	16887
CAS	2353-45-9
Molecular Weight (g/mol)	808.84
MDL Number	MFCD00013053
SMILES	[Na+].[Na+].CCN(CC1=CC=CC(=C1)S([O-])(=O)=O)C1=CC=C(C=C1)[C+](C1=CC=C(C=C1)N(CC)CC1=CC=CC(=C1)S([O-])(=O)=O)C1=CC=C(O)C=C1S([O-])(=O)=O
IUPAC Name	disodium bis(4-{ethyl[(3-sulfonatophenyl)methyl]amino}phenyl)(4-hydroxy-2-sulfonatophenyl)methylium
InChI Key	XJBPDZVCYTYRIN-UHFFFAOYSA-L
Molecular Formula	C37H34N2Na2O10S3

373

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Schiff Reagent Solution, Thermo Scientific Chemicals

CAS: 632-99-5 Molecular Formula: C20H20ClN3 Molecular Weight (g/mol): 337.85 MDL Number: MFCD00012569 InChI Key: AXDJCCTWPBKUKL-UHFFFAOYSA-N PubChem CID: 12447 IUPAC Name: hydrogen 4-[(4-aminophenyl)(4-imino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]aniline chloride SMILES: [H+].[Cl-].CC1=CC(C=CC1=N)=C(C1=CC=C(N)C=C1)C1=CC=C(N)C=C1

Pricing & Availability
Specifications

PubChem CID	12447
CAS	632-99-5
Molecular Weight (g/mol)	337.85
MDL Number	MFCD00012569
SMILES	[H+].[Cl-].CC1=CC(C=CC1=N)=C(C1=CC=C(N)C=C1)C1=CC=C(N)C=C1
IUPAC Name	hydrogen 4-[(4-aminophenyl)(4-imino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]aniline chloride
InChI Key	AXDJCCTWPBKUKL-UHFFFAOYSA-N
Molecular Formula	C20H20ClN3

374

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Thermo Scientific Chemicals IR-125, pure, laser grade

CAS: 3599-32-4 Molecular Formula: C43H47N2NaO6S2 Molecular Weight (g/mol): 774.967 MDL Number: MFCD00013078 InChI Key: MOFVSTNWEDAEEK-UHFFFAOYSA-M Synonym: Indocyanine Green PubChem CID: 132274068 ChEBI: CHEBI:31696 IUPAC Name: sodium;4-[(2E)-2-[(2E,4E,6Z)-7-[1,1-dimethyl-3-(4-sulfonatobutyl)benzo[e]indol-3-ium-2-yl]hepta-2,4,6-trienylidene]-1,1-dimethylbenzo[e]indol-3-yl]butane-1-sulfonate SMILES: CC1(C(=[N+](C2=C1C3=CC=CC=C3C=C2)CCCCS(=O)(=O)[O-])C=CC=CC=CC=C4C(C5=C(N4CCCCS(=O)(=O)[O-])C=CC6=CC=CC=C65)(C)C)C.[Na+]

Pricing & Availability
Specifications

PubChem CID	132274068
CAS	3599-32-4
Molecular Weight (g/mol)	774.967
ChEBI	CHEBI:31696
MDL Number	MFCD00013078
SMILES	CC1(C(=[N+](C2=C1C3=CC=CC=C3C=C2)CCCCS(=O)(=O)[O-])C=CC=CC=CC=C4C(C5=C(N4CCCCS(=O)(=O)[O-])C=CC6=CC=CC=C65)(C)C)C.[Na+]
Synonym	Indocyanine Green
IUPAC Name	sodium;4-[(2E)-2-[(2E,4E,6Z)-7-[1,1-dimethyl-3-(4-sulfonatobutyl)benzo[e]indol-3-ium-2-yl]hepta-2,4,6-trienylidene]-1,1-dimethylbenzo[e]indol-3-yl]butane-1-sulfonate
InChI Key	MOFVSTNWEDAEEK-UHFFFAOYSA-M
Molecular Formula	C43H47N2NaO6S2

375

Fast Blue B Salt, MP Biomedicals™

CAS: 14263-94-6 Molecular Formula: C14H16Cl4N4O2Zn+2 Molecular Weight (g/mol): 479.488 InChI Key: ZZJFLKSMXLBSAQ-UHFFFAOYSA-N Synonym: Azoic Diazo No. 48, Diazo Blue B, o-Dianisidine bis(diazotized) zinc double salt, Naphthanil Diazo Blue B, DBB PubChem CID: 129894309 IUPAC Name: 4-(4-diazonio-3-methoxyphenyl)-2-methoxybenzenediazonium;zinc;tetrahydrochloride SMILES: COC1=C(C=CC(=C1)C2=CC(=C(C=C2)[N+]#N)OC)[N+]#N.Cl.Cl.Cl.Cl.[Zn]

Pricing & Availability
Specifications

PubChem CID	129894309
CAS	14263-94-6
Molecular Weight (g/mol)	479.488
SMILES	COC1=C(C=CC(=C1)C2=CC(=C(C=C2)[N+]#N)OC)[N+]#N.Cl.Cl.Cl.Cl.[Zn]
Synonym	Azoic Diazo No. 48, Diazo Blue B, o-Dianisidine bis(diazotized) zinc double salt, Naphthanil Diazo Blue B, DBB
IUPAC Name	4-(4-diazonio-3-methoxyphenyl)-2-methoxybenzenediazonium;zinc;tetrahydrochloride
InChI Key	ZZJFLKSMXLBSAQ-UHFFFAOYSA-N
Molecular Formula	C14H16Cl4N4O2Zn+2

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