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 2,151 results

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Phenolphthalein (Certified ACS), Fisher Chemical™

CAS: 77-09-8 Molecular Formula: C20H14O4 Molecular Weight (g/mol): 318.33 MDL Number: MFCD00005913 InChI Key: KJFMBFZCATUALV-UHFFFAOYSA-N Synonym: 3, 3-Bis(p-hydroxyphenyl)-1(3H)-isobenzofuranone,3, 3-Bis(p-hydroxyphenyl) Phthallide PubChem CID: 4764 ChEBI: CHEBI:34914 IUPAC Name: 3,3-bis(4-hydroxyphenyl)-1,3-dihydro-2-benzofuran-1-one SMILES: OC1=CC=C(C=C1)C1(OC(=O)C2=CC=CC=C12)C1=CC=C(O)C=C1

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Specifications

PubChem CID	4764
CAS	77-09-8
Molecular Weight (g/mol)	318.33
ChEBI	CHEBI:34914
MDL Number	MFCD00005913
SMILES	OC1=CC=C(C=C1)C1(OC(=O)C2=CC=CC=C12)C1=CC=C(O)C=C1
Synonym	3, 3-Bis(p-hydroxyphenyl)-1(3H)-isobenzofuranone,3, 3-Bis(p-hydroxyphenyl) Phthallide
IUPAC Name	3,3-bis(4-hydroxyphenyl)-1,3-dihydro-2-benzofuran-1-one
InChI Key	KJFMBFZCATUALV-UHFFFAOYSA-N
Molecular Formula	C20H14O4

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Phenolphthalein Solution, Alcoholic 0.5%, Fisher Chemical

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Eriochrome™ Black T (Certified), Fisher Chemical

CAS: 1787-61-7 Molecular Formula: C20H12N3NaO7S Molecular Weight (g/mol): 461.38 MDL Number: MFCD00003935 InChI Key: JHUJLRKQZAPSDP-GXTSIBQPSA-M Synonym: Superchrome Black TS,1-(1-Hydroxy-2-naphthylazo)-6-nitro-2-naphthol-4-sulfonic Acid Sodium Salt,Mordant Black 11 PubChem CID: 87355429 IUPAC Name: sodium (4Z)-4-[2-(1-hydroxynaphthalen-2-yl)hydrazin-1-ylidene]-7-nitro-3-oxo-3,4-dihydronaphthalene-1-sulfonate SMILES: [Na+].OC1=C2C=CC=CC2=CC=C1N\N=C1/C(=O)C=C(C2=CC(=CC=C12)[N+]([O-])=O)S([O-])(=O)=O

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Specifications

PubChem CID	87355429
CAS	1787-61-7
Molecular Weight (g/mol)	461.38
MDL Number	MFCD00003935
SMILES	[Na+].OC1=C2C=CC=CC2=CC=C1N\N=C1/C(=O)C=C(C2=CC(=CC=C12)[N+]([O-])=O)S([O-])(=O)=O
Synonym	Superchrome Black TS,1-(1-Hydroxy-2-naphthylazo)-6-nitro-2-naphthol-4-sulfonic Acid Sodium Salt,Mordant Black 11
IUPAC Name	sodium (4Z)-4-[2-(1-hydroxynaphthalen-2-yl)hydrazin-1-ylidene]-7-nitro-3-oxo-3,4-dihydronaphthalene-1-sulfonate
InChI Key	JHUJLRKQZAPSDP-GXTSIBQPSA-M
Molecular Formula	C20H12N3NaO7S

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Bromophenol Blue Solution, 0.04%/Certified, Fisher Chemical

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Brilliant Green (Certified Biological Stain), Fisher Chemical

CAS: 633-03-4 Molecular Formula: C27H34N2O4S Molecular Weight (g/mol): 482.639 MDL Number: MFCD00011880 InChI Key: NNBFNNNWANBMTI-UHFFFAOYSA-M Synonym: Ethyl Green,Basic Green,Malachite Green G PubChem CID: 12449 IUPAC Name: [4-[[4-(diethylamino)phenyl]-phenylmethylidene]cyclohexa-2,5-dien-1-ylidene]-diethylazanium;hydrogen sulfate SMILES: CCN(CC)C1=CC=C(C=C1)C(=C2C=CC(=[N+](CC)CC)C=C2)C3=CC=CC=C3.OS(=O)(=O)[O-]

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Specifications

PubChem CID	12449
CAS	633-03-4
Molecular Weight (g/mol)	482.639
MDL Number	MFCD00011880
SMILES	CCN(CC)C1=CC=C(C=C1)C(=C2C=CC(=[N+](CC)CC)C=C2)C3=CC=CC=C3.OS(=O)(=O)[O-]
Synonym	Ethyl Green,Basic Green,Malachite Green G
IUPAC Name	[4-[[4-(diethylamino)phenyl]-phenylmethylidene]cyclohexa-2,5-dien-1-ylidene]-diethylazanium;hydrogen sulfate
InChI Key	NNBFNNNWANBMTI-UHFFFAOYSA-M
Molecular Formula	C27H34N2O4S

Starch Indicator, 0.5% (w/v), Mercury Free, for Iodometric Titrations, Ricca Chemical

Iodometric Titrations

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Specifications

Percent Purity	0.5% W/V
CAS	7732-18-5
Color	White
Physical Form	Liquid
pH	5 to 7
Chemical Name or Material	Starch Indicator
Grade	Indicator
Concentration	0.5% (w/v)
Solvent or Matrix	Aqueous Solution

Phenolphthalein Indicator, 1% (w/v) in 95% (v/v) Alcohol, Neutralized, Ricca Chemical

For Acid-Base Titrations

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Specifications

Concentration or Composition (by Analyte or Components)	1% (w/v)
Percent Purity	1% W/V
CAS	77-09-8
Color	Colorless to Pink
Packaging	Natural Poly Bottle
Chemical Name or Material	Phenolphthalein Indicator
Grade	Indicator
Solvent or Matrix	95% (v/v) Alcohol

Phenolphthalein Indicator, 0.5% (w/v) in 50% (v/v) Alcohol, Neutralized, Ricca Chemical

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Specifications

Percent Purity	0.5% W/V
CAS	77-09-8
Color	Colorless to Pink
Physical Form	Liquid
pH	8
Chemical Name or Material	Phenolphthalein Indicator
Grade	Indicator
Concentration	0.5% (w/v)
Solvent or Matrix	50% (v/v) Alcohol

Rhodamine B, Fisher Chemical

CAS: 81-88-9 Molecular Formula: C28H31ClN2O3 Molecular Weight (g/mol): 479.02 MDL Number: MFCD00011931 InChI Key: PYWVYCXTNDRMGF-UHFFFAOYSA-N Synonym: [9-(o-Carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene] Diethyl-ammonium Chloride,Tetraethylrhodamine PubChem CID: 6694 ChEBI: CHEBI:52334 IUPAC Name: 9-(2-carboxyphenyl)-3,6-bis(diethylamino)-10λ⁴-xanthen-10-ylium chloride SMILES: [Cl-].CCN(CC)C1=CC2=[O+]C3=CC(=CC=C3C(C3=CC=CC=C3C(O)=O)=C2C=C1)N(CC)CC

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Specifications

PubChem CID	6694
CAS	81-88-9
Molecular Weight (g/mol)	479.02
ChEBI	CHEBI:52334
MDL Number	MFCD00011931
SMILES	[Cl-].CCN(CC)C1=CC2=[O+]C3=CC(=CC=C3C(C3=CC=CC=C3C(O)=O)=C2C=C1)N(CC)CC
Synonym	[9-(o-Carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene] Diethyl-ammonium Chloride,Tetraethylrhodamine
IUPAC Name	9-(2-carboxyphenyl)-3,6-bis(diethylamino)-10λ⁴-xanthen-10-ylium chloride
InChI Key	PYWVYCXTNDRMGF-UHFFFAOYSA-N
Molecular Formula	C28H31ClN2O3

Phenolphthalein Stock Solution, Fisher Chemical™

Pricing & Availability
Specifications

CAS	77-09-8
Color	Colorless
pH	8
Packaging	Natural Poly Bottle
CAS Min %	0.01
DOT Information	DOT Class 3, : Flammable Liquid
Chemical Name or Material	Phenolphthalein Stock Solution
Grade	Indicator
ChemAlert Storage Symbol	Red
CAS Max %	0.01

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Hydroxynaphthol Blue (Certified), Fisher Chemical

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+]

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Specifications

PubChem CID	44134769
CAS	63451-35-4
Molecular Weight (g/mol)	620.46
MDL Number	MFCD00036393
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+]
Synonym	1-(2-Hydroxy-4-sulfo-1-naphthylazo)-2-naphthol-3,6-disulfonic acid trisodium salt
IUPAC Name	trisodium;3-hydroxy-4-[2-(2-oxo-4-sulfonatonaphthalen-1-ylidene)hydrazinyl]naphthalene-2,7-disulfonate
InChI Key	JQECMNGWLIFQLL-UHFFFAOYSA-K
Molecular Formula	C20H11N2Na3O11S3

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Murexide, Spectrum™ Chemical

CAS: 3051-09-0

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Specifications

CAS	3051-09-0

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Hematoxylin, Spectrum™ Chemical

CAS: 517-28-2 Molecular Formula: C16H14O6 Molecular Weight (g/mol): 302.28 MDL Number: MFCD00078111 InChI Key: WZUVPPKBWHMQCE-WKTCHCBJNA-N IUPAC Name: (1R,10S)-8-oxatetracyclo[8.7.0.0²,⁷.0¹²,¹⁷]heptadeca-2(7),3,5,12(17),13,15-hexaene-5,6,10,14,15-pentol SMILES: [H][C@]12C3=C(C[C@@]1(O)COC1=C2C=CC(O)=C1O)C=C(O)C(O)=C3

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Specifications

CAS	517-28-2
Molecular Weight (g/mol)	302.28
MDL Number	MFCD00078111
SMILES	[H][C@]12C3=C(C[C@@]1(O)COC1=C2C=CC(O)=C1O)C=C(O)C(O)=C3
IUPAC Name	(1R,10S)-8-oxatetracyclo[8.7.0.0²,⁷.0¹²,¹⁷]heptadeca-2(7),3,5,12(17),13,15-hexaene-5,6,10,14,15-pentol
InChI Key	WZUVPPKBWHMQCE-WKTCHCBJNA-N
Molecular Formula	C16H14O6

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Phenolphthalein Solution, Alcoholic, 1.0%, Fisher Chemical™

CAS: 77-09-8 Molecular Formula: C20H14O4 Molecular Weight (g/mol): 318.33 MDL Number: MFCD00005913 InChI Key: KJFMBFZCATUALV-UHFFFAOYSA-N PubChem CID: 4764 ChEBI: CHEBI:34914 IUPAC Name: 3,3-bis(4-hydroxyphenyl)-1,3-dihydro-2-benzofuran-1-one SMILES: OC1=CC=C(C=C1)C1(OC(=O)C2=CC=CC=C12)C1=CC=C(O)C=C1

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Specifications

PubChem CID	4764
CAS	77-09-8
Molecular Weight (g/mol)	318.33
ChEBI	CHEBI:34914
MDL Number	MFCD00005913
SMILES	OC1=CC=C(C=C1)C1(OC(=O)C2=CC=CC=C12)C1=CC=C(O)C=C1
IUPAC Name	3,3-bis(4-hydroxyphenyl)-1,3-dihydro-2-benzofuran-1-one
InChI Key	KJFMBFZCATUALV-UHFFFAOYSA-N
Molecular Formula	C20H14O4

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Hematoxylin (Certified Biological Stain), Fisher Chemical™

CAS: 517-28-2 Molecular Formula: C16H14O6 Molecular Weight (g/mol): 302.28 MDL Number: MFCD00078111 InChI Key: WZUVPPKBWHMQCE-WKTCHCBJNA-N Synonym: Natural Black 1,Hydroxybrasilin PubChem CID: 45029742 IUPAC Name: (1R,10S)-8-oxatetracyclo[8.7.0.0²,⁷.0¹²,¹⁷]heptadeca-2(7),3,5,12(17),13,15-hexaene-5,6,10,14,15-pentol SMILES: [H][C@]12C3=C(C[C@@]1(O)COC1=C2C=CC(O)=C1O)C=C(O)C(O)=C3

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Specifications

PubChem CID	45029742
CAS	517-28-2
Molecular Weight (g/mol)	302.28
MDL Number	MFCD00078111
SMILES	[H][C@]12C3=C(C[C@@]1(O)COC1=C2C=CC(O)=C1O)C=C(O)C(O)=C3
Synonym	Natural Black 1,Hydroxybrasilin
IUPAC Name	(1R,10S)-8-oxatetracyclo[8.7.0.0²,⁷.0¹²,¹⁷]heptadeca-2(7),3,5,12(17),13,15-hexaene-5,6,10,14,15-pentol
InChI Key	WZUVPPKBWHMQCE-WKTCHCBJNA-N
Molecular Formula	C16H14O6

Stains and Dyes

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Hematoxylin (Certified Biological Stain), Fisher Chemical™ GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

Hematoxylin (Certified Biological Stain), Fisher Chemical™