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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 (3,108)

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1 – 15 of 1,624 results
1
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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-]

EDGE
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
2
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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

EDGE
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
3
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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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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
4
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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

EDGE
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
5

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

EDGE
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
6

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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Product Type Tissue Marking Dye
7

Fisher Healthcare™ PROTOCOL™ Individual Gram Stains

Manufactured with traditional formulations used by most laboratories

EDGE
Includes Dispenser cap
Format Bottle
Stain Type Gram Stain
8

BD Oxidase Reagent Dropper

Identify microorganisms without mixing or measuring reagents

EDGE
9

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.

EDGE
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
10

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.

EDGE
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.
11

BD 10% Potassium Hydroxide Reagent Dropper

Identify microorganisms without mixing or measuring reagents

EDGE
12

Cambridge Diagnostic Products, Inc.™ Camco Quik Stain™ and Quik Stain™ II

Single, easy-to-use solutions provide fast and consistent differential staining of all cell types in less than 30 seconds

EDGE
Boiling Point 64°C
Format Liquid
Color Dark Blue
Quantity 946 mL
13
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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

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
14
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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-]

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
15

Phenolphthalein Stock Solution, Fisher Chemical™

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