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 1,623 results

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Eosin Y (Certified Biological Stain), Fisher Chemical™

CAS: 17372-87-1 Molecular Formula: C20H12Br4Na2O8 Molecular Weight (g/mol): 745.904 MDL Number: MFCD00005040 InChI Key: MASXMTNVNASWNH-UHFFFAOYSA-L Synonym: FD&C Red No. 22,Acid Red 87 PubChem CID: 91886399 IUPAC Name: disodium;2-(2,4,5,7-tetrabromo-3-oxido-6-oxoxanthen-9-yl)benzoate;trihydrate SMILES: C1=CC=C(C(=C1)C2=C3C=C(C(=O)C(=C3OC4=C(C(=C(C=C24)Br)[O-])Br)Br)Br)C(=O)[O-].O.O.O.[Na+].[Na+]

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Specifications

PubChem CID	91886399
CAS	17372-87-1
Molecular Weight (g/mol)	745.904
MDL Number	MFCD00005040
SMILES	C1=CC=C(C(=C1)C2=C3C=C(C(=O)C(=C3OC4=C(C(=C(C=C24)Br)[O-])Br)Br)Br)C(=O)[O-].O.O.O.[Na+].[Na+]
Synonym	FD&C Red No. 22,Acid Red 87
IUPAC Name	disodium;2-(2,4,5,7-tetrabromo-3-oxido-6-oxoxanthen-9-yl)benzoate;trihydrate
InChI Key	MASXMTNVNASWNH-UHFFFAOYSA-L
Molecular Formula	C20H12Br4Na2O8

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Crystal Violet (Certified Biological Stain), Fisher Chemical™

CAS: 548-62-9 Molecular Formula: C25H30ClN3 Molecular Weight (g/mol): 407.986 MDL Number: MFCD00011750 InChI Key: ZXJXZNDDNMQXFV-UHFFFAOYSA-M Synonym: Gentian Violet,Basic Violet 3 PubChem CID: 11057 ChEBI: CHEBI:41688 IUPAC Name: [4-[bis[4-(dimethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium;chloride SMILES: CN(C)C1=CC=C(C=C1)C(=C2C=CC(=[N+](C)C)C=C2)C3=CC=C(C=C3)N(C)C.[Cl-]

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Specifications

PubChem CID	11057
CAS	548-62-9
Molecular Weight (g/mol)	407.986
ChEBI	CHEBI:41688
MDL Number	MFCD00011750
SMILES	CN(C)C1=CC=C(C=C1)C(=C2C=CC(=[N+](C)C)C=C2)C3=CC=C(C=C3)N(C)C.[Cl-]
Synonym	Gentian Violet,Basic Violet 3
IUPAC Name	[4-[bis[4-(dimethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium;chloride
InChI Key	ZXJXZNDDNMQXFV-UHFFFAOYSA-M
Molecular Formula	C25H30ClN3

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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

Thermo Scientific Chemicals Bromothymol Blue, ACS reagent

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

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Specifications

PubChem CID	6450
CAS	76-59-5
Molecular Weight (g/mol)	624.384
ChEBI	CHEBI:86155
MDL Number	MFCD00005872
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
Synonym	Bromthymol Blue,3';, 3';';-Dibromothymolsulfonephthalein,BTB
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
InChI Key	NUHCTOLBWMJMLX-UHFFFAOYSA-N
Molecular Formula	C27H28Br2O5S

Fisher Healthcare™ PROTOCOL™ Individual Gram Stains

Manufactured with traditional formulations used by most laboratories

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Specifications

Includes	Dispenser cap
Format	Bottle
Stain Type	Gram Stain

BD 10% Potassium Hydroxide Reagent Dropper

Identify microorganisms without mixing or measuring reagents

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BD Gram Decolorizer

Can be used as a replacement reagent for the BD™ Gram Stain Kits. BD™ Gram Decolorizer is used in a 4-step Gram staining process, before counterstaining. Available in 250ml solution bottles for direct use or gallon containers for bulk storage.

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Specifications

Type	Decolorizer
Format	Liquid
Stain Type	Decolorizer
Color	Clear ad colorless
Storage Requirements	15° to 30°C
Certifications/Compliance	CE
Closure Type	No drip flip cap
For Use With (Application)	Staining microorganisms from cultures or specimens by the differential Gram method.

BD Oxidase Reagent Dropper

Identify microorganisms without mixing or measuring reagents

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BD Gram Crystal Violet

Can be used as a replacement reagent for the BD™ Gram Stain Kits. BD™ Gram Crystal Violet is used as the primary stain in a 4-step Gram staining process. Available in 250ml solution bottles for direct use or gallon containers for bulk storage.

Pricing and Availability
Specifications

Type	Crystal Violet
Format	Liquid
Stain Type	Crystal Violet
Color	Purple
Storage Requirements	15° to 30°C
Certifications/Compliance	CE
For Use With (Application)	Used to stain microorganisms from cultures or specimens by the differential gram method

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Toluidine Blue O (Certified Biological Stain), Fisher Chemical

CAS: 92-31-9 Molecular Formula: C15H16ClN3S Molecular Weight (g/mol): 305.82 MDL Number: MFCD00011934 InChI Key: HNONEKILPDHFOL-UHFFFAOYSA-M Synonym: Basic Blue 17,Tolonium Chloride PubChem CID: 7083 IUPAC Name: 3-amino-7-(dimethylamino)-2-methyl-5λ⁴-phenothiazin-5-ylium chloride SMILES: [Cl-].CN(C)C1=CC=C2N=C3C=C(C)C(N)=CC3=[S+]C2=C1

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Specifications

PubChem CID	7083
CAS	92-31-9
Molecular Weight (g/mol)	305.82
MDL Number	MFCD00011934
SMILES	[Cl-].CN(C)C1=CC=C2N=C3C=C(C)C(N)=CC3=[S+]C2=C1
Synonym	Basic Blue 17,Tolonium Chloride
IUPAC Name	3-amino-7-(dimethylamino)-2-methyl-5λ⁴-phenothiazin-5-ylium chloride
InChI Key	HNONEKILPDHFOL-UHFFFAOYSA-M
Molecular Formula	C15H16ClN3S

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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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Uranine (Concentrated, Water Soluble/Laboratory), Fisher Chemical™

CAS: 518-47-8 Molecular Formula: C20H10Na2O5 Molecular Weight (g/mol): 376.28 MDL Number: MFCD00167039 InChI Key: NJDNXYGOVLYJHP-UHFFFAOYSA-L Synonym: Fluorescein Sodium Salt 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

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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
Synonym	Fluorescein Sodium Salt
IUPAC Name	disodium 2-(6-oxido-3-oxo-3H-xanthen-9-yl)benzoate
InChI Key	NJDNXYGOVLYJHP-UHFFFAOYSA-L
Molecular Formula	C20H10Na2O5

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Bromothymol Blue Solution (0.04%/Certified), Fisher Chemical

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Phenolphthalein Solution, Alcoholic 0.5%, Fisher Chemical

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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

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