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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1 – 15 of 965 results

Thermo Scientific Chemicals Nile Red, 99%, pure

CAS: 7385-67-3 Molecular Formula: C20H18N2O2 Molecular Weight (g/mol): 318.38 MDL Number: MFCD00011639 InChI Key: VOFUROIFQGPCGE-UHFFFAOYSA-N Synonym: Nile blue A oxazone PubChem CID: 65182 ChEBI: CHEBI:52169 SMILES: CCN(CC)C1=CC=C2N=C3C(OC2=C1)=CC(=O)C1=CC=CC=C31

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Specifications

PubChem CID	65182
CAS	7385-67-3
Molecular Weight (g/mol)	318.38
ChEBI	CHEBI:52169
MDL Number	MFCD00011639
SMILES	CCN(CC)C1=CC=C2N=C3C(OC2=C1)=CC(=O)C1=CC=CC=C31
Synonym	Nile blue A oxazone
InChI Key	VOFUROIFQGPCGE-UHFFFAOYSA-N
Molecular Formula	C20H18N2O2

Thermo Scientific Chemicals Methylene Blue, pure, certified, residual water

CAS: 7220-79-3 Molecular Formula: C16H24ClN3O3S Molecular Weight (g/mol): 373.90 MDL Number: MFCD00150008 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: O.O.O.[Cl-].CN(C)C1=CC2=[S+]C3=CC(=CC=C3N=C2C=C1)N(C)C

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Specifications

PubChem CID	6099
CAS	7220-79-3
Molecular Weight (g/mol)	373.90
ChEBI	CHEBI:6872
MDL Number	MFCD00150008
SMILES	O.O.O.[Cl-].CN(C)C1=CC2=[S+]C3=CC(=CC=C3N=C2C=C1)N(C)C
Synonym	Basic Blue 9
IUPAC Name	[7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride
InChI Key	XQAXGZLFSSPBMK-UHFFFAOYSA-M
Molecular Formula	C16H24ClN3O3S

Thermo Scientific Chemicals Phenol Red, pure, indicator

CAS: 143-74-8 Molecular Formula: C19H14O5S Molecular Weight (g/mol): 354.38 MDL Number: MFCD00003552 InChI Key: BELBBZDIHDAJOR-UHFFFAOYSA-N Synonym: Phenolsulfonephthalein PubChem CID: 4766 ChEBI: CHEBI:31991 SMILES: OC1=CC=C(C=C1)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC=C(O)C=C1

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Specifications

PubChem CID	4766
CAS	143-74-8
Molecular Weight (g/mol)	354.38
ChEBI	CHEBI:31991
MDL Number	MFCD00003552
SMILES	OC1=CC=C(C=C1)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC=C(O)C=C1
Synonym	Phenolsulfonephthalein
InChI Key	BELBBZDIHDAJOR-UHFFFAOYSA-N
Molecular Formula	C19H14O5S

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

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Thermo Scientific™ Gram Stain Kit

Differentiate gram-positive organisms from gram-negative organisms using Gram Stain Kit.

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Crystal Violet, Fisher Chemical™

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Thermo Scientific Chemicals Alcian Blue 8GX

CAS: 33864-99-2 Molecular Formula: C56H68Cl4CuN16S4 Molecular Weight (g/mol): 1298.86 MDL Number: MFCD00010720 InChI Key: XRWQTDIELZDCPS-UHFFFAOYSA-J Synonym: Ingrain blue 1; C.I. 74240 PubChem CID: 17749099 IUPAC Name: (9Z,18Z,26Z,35Z)-4,14,22,32-tetrakis({[(dimethylamino)(dimethyliminiumyl)methyl]sulfanyl}methyl)-9,18,27,36,37,39,40,41-octaaza-38-cupradecacyclo[17.17.3.1¹⁰,¹⁷.1²⁸,³⁵.0²,⁷.0⁸,³⁷.0¹¹,¹⁶.0²⁰,²⁵.0²⁶,³⁹.0²⁹,³⁴]hentetraconta-1,3,5,7,9,11(16),12,14,17(41),18,20,22,24,26,28(40),29(34),30,32,35-nonadecaene-38,38-bis(ylium) tetrachloride SMILES: [Cl-].[Cl-].[Cl-].[Cl-].CN(C)C(SCC1=CC2=C(C=C1)\C1=N\C3=C4C=CC(CSC(N(C)C)=[N+](C)C)=CC4=C4\N=C5/N=C(/N=C6\N([Cu++]N34)\C(=N/C2=N1)C1=CC(CSC(N(C)C)=[N+](C)C)=CC=C61)C1=C5C=C(CSC(N(C)C)=[N+](C)C)C=C1)=[N+](C)C

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Specifications

PubChem CID	17749099
CAS	33864-99-2
Molecular Weight (g/mol)	1298.86
MDL Number	MFCD00010720
SMILES	[Cl-].[Cl-].[Cl-].[Cl-].CN(C)C(SCC1=CC2=C(C=C1)\C1=N\C3=C4C=CC(CSC(N(C)C)=[N+](C)C)=CC4=C4\N=C5/N=C(/N=C6\N([Cu++]N34)\C(=N/C2=N1)C1=CC(CSC(N(C)C)=[N+](C)C)=CC=C61)C1=C5C=C(CSC(N(C)C)=[N+](C)C)C=C1)=[N+](C)C
Synonym	Ingrain blue 1; C.I. 74240
IUPAC Name	(9Z,18Z,26Z,35Z)-4,14,22,32-tetrakis({[(dimethylamino)(dimethyliminiumyl)methyl]sulfanyl}methyl)-9,18,27,36,37,39,40,41-octaaza-38-cupradecacyclo[17.17.3.1¹⁰,¹⁷.1²⁸,³⁵.0²,⁷.0⁸,³⁷.0¹¹,¹⁶.0²⁰,²⁵.0²⁶,³⁹.0²⁹,³⁴]hentetraconta-1,3,5,7,9,11(16),12,14,17(41),18,20,22,24,26,28(40),29(34),30,32,35-nonadecaene-38,38-bis(ylium) tetrachloride
InChI Key	XRWQTDIELZDCPS-UHFFFAOYSA-J
Molecular Formula	C56H68Cl4CuN16S4

Thermo Scientific Chemicals Bromocresol Green

CAS: 76-60-8 Molecular Formula: C21H14Br4O5S Molecular Weight (g/mol): 698.014 MDL Number: MFCD00005874 InChI Key: FRPHFZCDPYBUAU-UHFFFAOYSA-N Synonym: Bromcresol Green PubChem CID: 6451 IUPAC Name: 2,6-dibromo-4-[3-(3,5-dibromo-4-hydroxy-2-methylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-3-methylphenol SMILES: CC1=C(C(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C(=C4C)Br)O)Br)Br)O)Br

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Specifications

PubChem CID	6451
CAS	76-60-8
Molecular Weight (g/mol)	698.014
MDL Number	MFCD00005874
SMILES	CC1=C(C(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C(=C4C)Br)O)Br)Br)O)Br
Synonym	Bromcresol Green
IUPAC Name	2,6-dibromo-4-[3-(3,5-dibromo-4-hydroxy-2-methylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-3-methylphenol
InChI Key	FRPHFZCDPYBUAU-UHFFFAOYSA-N
Molecular Formula	C21H14Br4O5S

Thermo Scientific Chemicals Fluorescein, pure

CAS: 2321-07-5 Molecular Formula: C20H12O5 Molecular Weight (g/mol): 332.31 MDL Number: MFCD00005050 InChI Key: GNBHRKFJIUUOQI-UHFFFAOYSA-N PubChem CID: 16850 ChEBI: CHEBI:31624 IUPAC Name: 3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one SMILES: C1=CC=C2C(=C1)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O

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Specifications

PubChem CID	16850
CAS	2321-07-5
Molecular Weight (g/mol)	332.31
ChEBI	CHEBI:31624
MDL Number	MFCD00005050
SMILES	C1=CC=C2C(=C1)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O
IUPAC Name	3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one
InChI Key	GNBHRKFJIUUOQI-UHFFFAOYSA-N
Molecular Formula	C20H12O5

Thermo Scientific Chemicals Methylene Blue hydrate, 96+%, high purity biological stain

CAS: 122965-43-9 Molecular Formula: C16H18ClN3S Molecular Weight (g/mol): 319.85 MDL Number: MFCD00150006 InChI Key: CXKWCBBOMKCUKX-UHFFFAOYSA-M Synonym: Basic Blue 9 hydrate,C.I. 52015 hydrate PubChem CID: 16211647 IUPAC Name: [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride;hydrate SMILES: [Cl-].CN(C)C1=CC=C2N=C3C=CC(C=C3SC2=C1)=[N+](C)C

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Specifications

PubChem CID	16211647
CAS	122965-43-9
Molecular Weight (g/mol)	319.85
MDL Number	MFCD00150006
SMILES	[Cl-].CN(C)C1=CC=C2N=C3C=CC(C=C3SC2=C1)=[N+](C)C
Synonym	Basic Blue 9 hydrate,C.I. 52015 hydrate
IUPAC Name	[7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride;hydrate
InChI Key	CXKWCBBOMKCUKX-UHFFFAOYSA-M
Molecular Formula	C16H18ClN3S

2,6-Dichloroindophenol, sodium salt hydrate, 95%

CAS: 1266615-56-8 Molecular Formula: C12H6Cl2NNaO2 Molecular Weight (g/mol): 290.07 MDL Number: MFCD00150014 InChI Key: CVSUAFOWIXUYQA-UHFFFAOYSA-M Synonym: Tillman's reagent hydrate PubChem CID: 23696612 SMILES: [Na+].[O-]C1=CC=C(C=C1)N=C1C=C(Cl)C(=O)C(Cl)=C1

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Specifications

PubChem CID	23696612
CAS	1266615-56-8
Molecular Weight (g/mol)	290.07
MDL Number	MFCD00150014
SMILES	[Na+].[O-]C1=CC=C(C=C1)N=C1C=C(Cl)C(=O)C(Cl)=C1
Synonym	Tillman's reagent hydrate
InChI Key	CVSUAFOWIXUYQA-UHFFFAOYSA-M
Molecular Formula	C12H6Cl2NNaO2

Thermo Scientific Chemicals Methylene Blue, 1% w/v aq. soln.

CAS: 122965-43-9 | C₁₆H₁₈ClN₃S

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Specifications

Concentration or Composition (by Analyte or Components)	3, 7-Bis(dimethylamino)phenothiazin-5-ium chloride hydrate: 1.0%; Water: 99%
CAS	7732-18-5
MDL Number	MFCD00012111
Physical Form	Liquid
Solubility Information	Miscible with ethanol,chloroform,glacial acetic acid and glycerol. Slightly miscible with pyridine. Immiscible with ethyl ether,xylene,oleic acid,ethanol and acetone.
Chemical Name or Material	Methylene Blue
TSCA	Yes
Recommended Storage	Ambient temperatures
Molecular Formula	C₁₆H₁₈ClN₃S
Formula Weight	319.86
Vapor Pressure	23 hPa (17mm Hg) at 20°C
Assay Percent Range	1% w/v aqueous solution

Epredia™ Shandon™ Eosin-Y Stain

Produce brilliant staining with Epredia™ Shandon™ Eosin-Y, a fast-acting cytoplasmic counterstain.

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Epredia™ Signature Series™ Hematoxylin 7211

Yield results that exceed those of Gill or Harris Hematoxylins with this uniquely formulated product.

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Specifications

Product Type	Hematoxylin

Epredia™ Shandon™ Tissue-Marking Dyes, Tissue marking dye kit

Permanently mark the margins of excised surgical specimens for exact orientation with Epredia™ Shandon™ Tissue-Marking Dyes.

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Specifications

Product Type	Tissue Marking Dye

Stains and Dyes

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Crystal Violet, Fisher Chemical™ SureTRACESupports traceability with guaranteed access to certificates and proactive change notifications.Learn More

Crystal Violet, Fisher Chemical™