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 7,105 results

361

MilliporeSigma™ Lugol's solution (Diluted Iodine-Potassium Iodide Solution)

For staining of Gram bacteria

Pricing & Availability
Specifications

Packaging	Plastic Bottle

362

Variamine Blue B 98.0+%, TCI America™

CAS: 3566-44-7 Molecular Formula: C13H15ClN2O Molecular Weight (g/mol): 250.726 MDL Number: MFCD00012989 InChI Key: HPQQXLXIGHOKNZ-UHFFFAOYSA-N PubChem CID: 77108 IUPAC Name: 4-N-(4-methoxyphenyl)benzene-1,4-diamine;hydrochloride SMILES: COC1=CC=C(C=C1)NC2=CC=C(C=C2)N.Cl

Pricing & Availability
Specifications

PubChem CID	77108
CAS	3566-44-7
Molecular Weight (g/mol)	250.726
MDL Number	MFCD00012989
SMILES	COC1=CC=C(C=C1)NC2=CC=C(C=C2)N.Cl
IUPAC Name	4-N-(4-methoxyphenyl)benzene-1,4-diamine;hydrochloride
InChI Key	HPQQXLXIGHOKNZ-UHFFFAOYSA-N
Molecular Formula	C13H15ClN2O

363

Thermo Scientific Chemicals Methyl Green, 0.1% w/v aq. soln.

CAS: 14855-76-6 Molecular Formula: C27H35BrClN3 Molecular Weight (g/mol): 516.952 MDL Number: MFCD00036449 InChI Key: IDAQSADEMXDTKN-UHFFFAOYSA-L Synonym: C.I. 42590; Ethyl Green PubChem CID: 84671 IUPAC Name: [4-[[4-(dimethylamino)phenyl]-(4-dimethylazaniumylidenecyclohexa-2,5-dien-1-ylidene)methyl]phenyl]-ethyl-dimethylazanium;bromide;chloride SMILES: CC[N+](C)(C)C1=CC=C(C=C1)C(=C2C=CC(=[N+](C)C)C=C2)C3=CC=C(C=C3)N(C)C.[Cl-].[Br-]

Pricing & Availability
Specifications

PubChem CID	84671
CAS	14855-76-6
Molecular Weight (g/mol)	516.952
MDL Number	MFCD00036449
SMILES	CC[N+](C)(C)C1=CC=C(C=C1)C(=C2C=CC(=[N+](C)C)C=C2)C3=CC=C(C=C3)N(C)C.[Cl-].[Br-]
Synonym	C.I. 42590; Ethyl Green
IUPAC Name	[4-[[4-(dimethylamino)phenyl]-(4-dimethylazaniumylidenecyclohexa-2,5-dien-1-ylidene)methyl]phenyl]-ethyl-dimethylazanium;bromide;chloride
InChI Key	IDAQSADEMXDTKN-UHFFFAOYSA-L
Molecular Formula	C27H35BrClN3

364

Thermo Scientific Chemicals Xylenol Orange tetrasodium salt, 0.1% w/v aq. soln.

CAS: 3618-43-7 Molecular Formula: C₃₁H₂₈N₂Na₄O₁₃S MDL Number: MFCD00044293

Pricing & Availability
Specifications

CAS	3618-43-7
MDL Number	MFCD00044293
Molecular Formula	C₃₁H₂₈N₂Na₄O₁₃S

365

Thermo Scientific Chemicals Amido Black 10B, Electrophoresis Reagent

CAS: 1064-48-8 Molecular Formula: C22H14N6Na2O9S2 Molecular Weight (g/mol): 616.487 MDL Number: MFCD00004017 InChI Key: HKBVRFLHNUEVRO-UHFFFAOYSA-L Synonym: C.I. 20470,Naphthalene Black 10B PubChem CID: 44134531 IUPAC Name: disodium;4-amino-3-[(4-nitrophenyl)diazenyl]-5-oxo-6-(phenylhydrazinylidene)naphthalene-2,7-disulfonate SMILES: C1=CC=C(C=C1)NN=C2C(=CC3=CC(=C(C(=C3C2=O)N)N=NC4=CC=C(C=C4)[N+](=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]

Pricing & Availability
Specifications

PubChem CID	44134531
CAS	1064-48-8
Molecular Weight (g/mol)	616.487
MDL Number	MFCD00004017
SMILES	C1=CC=C(C=C1)NN=C2C(=CC3=CC(=C(C(=C3C2=O)N)N=NC4=CC=C(C=C4)[N+](=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]
Synonym	C.I. 20470,Naphthalene Black 10B
IUPAC Name	disodium;4-amino-3-[(4-nitrophenyl)diazenyl]-5-oxo-6-(phenylhydrazinylidene)naphthalene-2,7-disulfonate
InChI Key	HKBVRFLHNUEVRO-UHFFFAOYSA-L
Molecular Formula	C22H14N6Na2O9S2

366

Erythrosin B, spirit soluble

CAS: 15905-32-5 Molecular Formula: C20H8I4O5 Molecular Weight (g/mol): 835.90 MDL Number: MFCD00005044 InChI Key: OALHHIHQOFIMEF-UHFFFAOYSA-N Synonym: C.I. 45430:2; Solvent Red 140 PubChem CID: 3259 SMILES: OC1=C(I)C2=C(C=C1I)C1(OC(=O)C3=C1C=CC=C3)C1=CC(I)=C(O)C(I)=C1O2

Pricing & Availability
Specifications

PubChem CID	3259
CAS	15905-32-5
Molecular Weight (g/mol)	835.90
MDL Number	MFCD00005044
SMILES	OC1=C(I)C2=C(C=C1I)C1(OC(=O)C3=C1C=CC=C3)C1=CC(I)=C(O)C(I)=C1O2
Synonym	C.I. 45430:2; Solvent Red 140
InChI Key	OALHHIHQOFIMEF-UHFFFAOYSA-N
Molecular Formula	C20H8I4O5

367

Novus Biologicals™ Hematoxylin Counterstain

based on Gill’s formulation, it produces blue stained nuclei with crisp detail.

Pricing & Availability

368

MilliporeSigma™ Hematoxylin solution (Gill III)

Stains nuclei of cells by using histological staining technique where nuclear staining is achieved using ready-to-use staining solutions.

Pricing & Availability
Specifications

Content And Storage	15° to 25°C

369

Rhodamine B base, 97%

CAS: 509-34-2 Molecular Formula: C₂₈H₃₀N₂O₃ MDL Number: MFCD00066967 Synonym: C.I. 45170.1,Solvent Red 49

Pricing & Availability
Specifications

CAS	509-34-2
MDL Number	MFCD00066967
Synonym	C.I. 45170.1,Solvent Red 49
Molecular Formula	C₂₈H₃₀N₂O₃

370

Thermo Scientific Chemicals Nuclear Fast Red, 94%, pure

CAS: 6409-77-4 Molecular Formula: C14H11NNaO7S Molecular Weight (g/mol): 360.292 MDL Number: MFCD00078493 InChI Key: KDEATZKCHKVXGA-UHFFFAOYSA-N Synonym: Calcium Red,C.I. 60760 PubChem CID: 131675027 IUPAC Name: 4-amino-1,3-dihydroxy-9,10-dioxoanthracene-2-sulfonic acid;molecular hydrogen;sodium SMILES: [HH].C1=CC=C2C(=C1)C(=O)C3=C(C2=O)C(=C(C(=C3N)O)S(=O)(=O)O)O.[Na]

Pricing & Availability
Specifications

PubChem CID	131675027
CAS	6409-77-4
Molecular Weight (g/mol)	360.292
MDL Number	MFCD00078493
SMILES	[HH].C1=CC=C2C(=C1)C(=O)C3=C(C2=O)C(=C(C(=C3N)O)S(=O)(=O)O)O.[Na]
Synonym	Calcium Red,C.I. 60760
IUPAC Name	4-amino-1,3-dihydroxy-9,10-dioxoanthracene-2-sulfonic acid;molecular hydrogen;sodium
InChI Key	KDEATZKCHKVXGA-UHFFFAOYSA-N
Molecular Formula	C14H11NNaO7S

371

Thermo Scientific Chemicals Phloxine B, 85%, pure, high purity, Biological stain

CAS: 18472-87-2 Molecular Formula: C₂₀H₂Br₄Cl₄Na₂O₅ MDL Number: MFCD00005061 Synonym: Acid Red 92,C.I. 45410

Pricing & Availability
Specifications

CAS	18472-87-2
MDL Number	MFCD00005061
Synonym	Acid Red 92,C.I. 45410
Molecular Formula	C₂₀H₂Br₄Cl₄Na₂O₅

372

New Fuchsin

CAS: 3248-91-7 Molecular Formula: C22H24ClN3 Molecular Weight (g/mol): 365.91 MDL Number: MFCD00012567 InChI Key: ORDGVBRMUJCHEO-UHFFFAOYSA-M Synonym: Basic Violet 2,C.I. 42520,Magenta III PubChem CID: 14454445 ChEBI: CHEBI:87671 IUPAC Name: 4-[(4-amino-3-methylphenyl)-(4-imino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]-2-methylaniline;hydrochloride SMILES: [Cl-].CC1=CC(=CC=C1N)[C+](C1=CC=C(N)C(C)=C1)C1=CC=C(N)C(C)=C1

Pricing & Availability
Specifications

PubChem CID	14454445
CAS	3248-91-7
Molecular Weight (g/mol)	365.91
ChEBI	CHEBI:87671
MDL Number	MFCD00012567
SMILES	[Cl-].CC1=CC(=CC=C1N)[C+](C1=CC=C(N)C(C)=C1)C1=CC=C(N)C(C)=C1
Synonym	Basic Violet 2,C.I. 42520,Magenta III
IUPAC Name	4-[(4-amino-3-methylphenyl)-(4-imino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]-2-methylaniline;hydrochloride
InChI Key	ORDGVBRMUJCHEO-UHFFFAOYSA-M
Molecular Formula	C22H24ClN3

373

Thermo Scientific Chemicals Fluorescein, disodium salt, pure

CAS: 518-47-8 Molecular Formula: C20H10Na2O5 Molecular Weight (g/mol): 376.28 MDL Number: MFCD00167039 InChI Key: NJDNXYGOVLYJHP-UHFFFAOYSA-L IUPAC Name: disodium 2-(6-oxido-3-oxo-3H-xanthen-9-yl)benzoate SMILES: [Na+].[Na+].[O-]C(=O)C1=CC=CC=C1C1=C2C=CC(=O)C=C2OC2=CC([O-])=CC=C12

Pricing & Availability
Specifications

CAS	518-47-8
Molecular Weight (g/mol)	376.28
MDL Number	MFCD00167039
SMILES	[Na+].[Na+].[O-]C(=O)C1=CC=CC=C1C1=C2C=CC(=O)C=C2OC2=CC([O-])=CC=C12
IUPAC Name	disodium 2-(6-oxido-3-oxo-3H-xanthen-9-yl)benzoate
InChI Key	NJDNXYGOVLYJHP-UHFFFAOYSA-L
Molecular Formula	C20H10Na2O5

374

Thermo Scientific Chemicals Methyl Orange-xylene cyanol solution in water, pure

CAS: 62758-15-0 Molecular Formula: C39H41N5Na2O10S3 Molecular Weight (g/mol): 881.942 MDL Number: MFCD00077269 InChI Key: DLSJBPNVZNTATN-MXBKRXPOSA-L PubChem CID: 90474202 IUPAC Name: disodium;4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate;4-[(E)-[4-(ethylamino)-3-methylphenyl]-(4-ethylimino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]-2-hydroxy-5-sulfobenzenesulfonate SMILES: CCNC1=C(C=C(C=C1)C(=C2C=CC(=NCC)C(=C2)C)C3=CC(=C(C=C3S(=O)(=O)O)S(=O)(=O)[O-])O)C.CN(C)C1=CC=C(C=C1)N=NC2=CC=C(C=C2)S(=O)(=O)[O-].[Na+].[Na+]

Pricing & Availability
Specifications

PubChem CID	90474202
CAS	62758-15-0
Molecular Weight (g/mol)	881.942
MDL Number	MFCD00077269
SMILES	CCNC1=C(C=C(C=C1)C(=C2C=CC(=NCC)C(=C2)C)C3=CC(=C(C=C3S(=O)(=O)O)S(=O)(=O)[O-])O)C.CN(C)C1=CC=C(C=C1)N=NC2=CC=C(C=C2)S(=O)(=O)[O-].[Na+].[Na+]
IUPAC Name	disodium;4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate;4-[(E)-[4-(ethylamino)-3-methylphenyl]-(4-ethylimino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]-2-hydroxy-5-sulfobenzenesulfonate
InChI Key	DLSJBPNVZNTATN-MXBKRXPOSA-L
Molecular Formula	C39H41N5Na2O10S3

375

Brilliant Blue R, TCI America™

CAS: 6104-59-2 Molecular Formula: C45H44N3NaO7S2 Molecular Weight (g/mol): 825.97 MDL Number: MFCD00041762 InChI Key: HAEGGLCXLFWTBE-UHFFFAOYSA-M Synonym: Acid Cyanine 6B, Alizarin Rubinol 5G, Solar Cyanine 6B, Acid Blue 83, Coomassie Brilliant Blue R-250, CBB R-250 PubChem CID: 61365 IUPAC Name: sodium {4-[(4-ethoxyphenyl)amino]phenyl}bis(4-{ethyl[(3-sulfonatophenyl)methyl]amino}phenyl)methylium SMILES: [Na+].CCOC1=CC=C(NC2=CC=C(C=C2)[C+](C2=CC=C(C=C2)N(CC)CC2=CC=CC(=C2)S([O-])(=O)=O)C2=CC=C(C=C2)N(CC)CC2=CC=CC(=C2)S([O-])(=O)=O)C=C1

Pricing & Availability
Specifications

PubChem CID	61365
CAS	6104-59-2
Molecular Weight (g/mol)	825.97
MDL Number	MFCD00041762
SMILES	[Na+].CCOC1=CC=C(NC2=CC=C(C=C2)[C+](C2=CC=C(C=C2)N(CC)CC2=CC=CC(=C2)S([O-])(=O)=O)C2=CC=C(C=C2)N(CC)CC2=CC=CC(=C2)S([O-])(=O)=O)C=C1
Synonym	Acid Cyanine 6B, Alizarin Rubinol 5G, Solar Cyanine 6B, Acid Blue 83, Coomassie Brilliant Blue R-250, CBB R-250
IUPAC Name	sodium {4-[(4-ethoxyphenyl)amino]phenyl}bis(4-{ethyl[(3-sulfonatophenyl)methyl]amino}phenyl)methylium
InChI Key	HAEGGLCXLFWTBE-UHFFFAOYSA-M
Molecular Formula	C45H44N3NaO7S2

Stains and Dyes

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Novus Biologicals™ Hematoxylin Counterstain Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Novus Biologicals™ Hematoxylin Counterstain