Staining Reagents

Stains, staining systems, and blocking agents in a variety of types, grades, molecular weights, purities, and pH ranges; used to elucidate important structures of microorganisms including bacteria, viruses, protozoa, etc.

Stains and Dyes (5,807)

Tissue Stain Blocking Reagents (12)

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

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Pricing & Availability
Specifications

CAS	64-02-8
MDL Number	MFCD00077263
Chemical Name or Material	Bromothymol Blue Solution, 0.04%
Grade	Certified
Assay Percent Range	0.04%

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

Fisher Healthcare™ PROTOCOL™ Gram Stain Sets

Reusable tray provides secure bottle storage

Pricing & Availability
Specifications

Type	Gram Stain Kit
Format	Bottle
Stain Type	Gram Stain
Color	Reddish Violet
Quantity	1 Set
For Use With (Application)	Laboratory chemicals

Fisher Healthcare™ PROTOCOL™ Hema 3™ Fixative and Solutions

For 30-second, three-step staining comparable to the Wright-Giemsa method

Pricing & Availability
Specifications

Format	Liquid
Quantity	1 gal.
For Use With (Application)	For manual staining

Fisher Healthcare™ PROTOCOL™ Hema 3™ Manual Staining System and Stat Pack

For 30-second, three-step staining comparable to the Wright-Giemsa method

Pricing & Availability
Specifications

For Use With (Application)	For manual staining

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

Fisher Healthcare™ PROTOCOL™ Individual Gram Stains

Manufactured with traditional formulations used by most laboratories

Pricing & Availability
Specifications

Includes	Dispenser cap
Format	Bottle
Stain Type	Gram Stain

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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Pricing & Availability
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

Malachite Green Oxalate (Certified Biological Stain), Fisher Chemical

CAS: 18015-76-4 Molecular Formula: C52H54N4O12 Molecular Weight (g/mol): 927.02 MDL Number: MFCD00011766,MFCD00151209 InChI Key: CNYGFPPAGUCRIC-UHFFFAOYSA-L Synonym: Basic Green 4 PubChem CID: 2724411 IUPAC Name: bis(bis[4-(dimethylamino)phenyl](phenyl)methylium) oxalic acid dihydrogen oxalate SMILES: OC(=O)C(O)=O.OC(=O)C([O-])=O.OC(=O)C([O-])=O.CN(C)C1=CC=C(C=C1)[C+](C1=CC=CC=C1)C1=CC=C(C=C1)N(C)C.CN(C)C1=CC=C(C=C1)[C+](C1=CC=CC=C1)C1=CC=C(C=C1)N(C)C

Pricing & Availability
Specifications

PubChem CID	2724411
CAS	18015-76-4
Molecular Weight (g/mol)	927.02
MDL Number	MFCD00011766,MFCD00151209
SMILES	OC(=O)C(O)=O.OC(=O)C([O-])=O.OC(=O)C([O-])=O.CN(C)C1=CC=C(C=C1)[C+](C1=CC=CC=C1)C1=CC=C(C=C1)N(C)C.CN(C)C1=CC=C(C=C1)[C+](C1=CC=CC=C1)C1=CC=C(C=C1)N(C)C
Synonym	Basic Green 4
IUPAC Name	bis(bis[4-(dimethylamino)phenyl](phenyl)methylium) oxalic acid dihydrogen oxalate
InChI Key	CNYGFPPAGUCRIC-UHFFFAOYSA-L
Molecular Formula	C52H54N4O12

Brilliant Green (Certified Biological Stain), Fisher Chemical

CAS: 633-03-4,663-03-4 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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Pricing & Availability
Specifications

PubChem CID	12449
CAS	633-03-4,663-03-4
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

Neutral Red (Certified Biological Stain), Fisher Chemical

CAS: 553-24-2 Molecular Formula: C15H17ClN4 Molecular Weight (g/mol): 288.779 MDL Number: MFCD00012651 InChI Key: PGSADBUBUOPOJS-UHFFFAOYSA-N Synonym: Basic Red 5,Toluylene Red PubChem CID: 11105 ChEBI: CHEBI:86370 IUPAC Name: 8-N,8-N,3-trimethylphenazine-2,8-diamine;hydrochloride SMILES: CC1=CC2=NC3=C(C=C(C=C3)N(C)C)N=C2C=C1N.Cl

Pricing & Availability
Specifications

PubChem CID	11105
CAS	553-24-2
Molecular Weight (g/mol)	288.779
ChEBI	CHEBI:86370
MDL Number	MFCD00012651
SMILES	CC1=CC2=NC3=C(C=C(C=C3)N(C)C)N=C2C=C1N.Cl
Synonym	Basic Red 5,Toluylene Red
IUPAC Name	8-N,8-N,3-trimethylphenazine-2,8-diamine;hydrochloride
InChI Key	PGSADBUBUOPOJS-UHFFFAOYSA-N
Molecular Formula	C15H17ClN4

Fisherbrand™ SureStain™ Stains

Fast, reliable staining for differential blood cell analysis

Pricing & Availability
Specifications

Quantity	32 oz.

Fisher Healthcare™ PROTOCOL™ Histological/Cytological Stains

Manufactured with strict quality control to ensure lot-to-lot uniformity

Pricing & Availability
Specifications

Format	Liquid
For Use With (Application)	Used for Histological/Cytological Staining

Fisher Healthcare™ PROTOCOL™ Hemaspray™ Reagents for the Wescor Aerospray™

Manufactured using a two-part aqueous Romanowsky stain formulation

Pricing & Availability
Specifications

Shelf Life	1 Year
Storage Requirements	Room Temperature

Methyl Orange Solution, 0.1% w/v (Certified), Fisher Chemical

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Pricing & Availability
Specifications

CAS	7732-18-5
MDL Number	MFCD00007502
Chemical Name or Material	Methyl Orange Solution, 0.1% (w/v)
Synonym	Acid Orange 52,Benzenesulfonic Acid Sodium Salt
Grade	Certified

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Staining Reagents

Staining Reagents

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