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 (9,270)

Tissue Stain Blocking Reagents (82)

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2,446 – 2,460 of 7,207 results

2,446

Fisher Science Education™ Thymol Blue Solution, 0.04%

CAS: 62625-21-2 Molecular Formula: C27H29NaO5S Molecular Weight (g/mol): 488.57 MDL Number: MFCD00151093 InChI Key: OCMIKNBSIRSUPI-FRWNMSGJSA-M PubChem CID: 23692293 IUPAC Name: sodium 2-{[4-hydroxy-2-methyl-5-(propan-2-yl)phenyl][(1E)-2-methyl-4-oxo-5-(propan-2-yl)cyclohexa-2,5-dien-1-ylidene]methyl}benzene-1-sulfonate SMILES: [Na+].CC(C)C1=C\C(=C(\C2=CC(C(C)C)=C(O)C=C2C)C2=C(C=CC=C2)S([O-])(=O)=O)C(C)=CC1=O

Pricing & Availability
Specifications

PubChem CID	23692293
CAS	62625-21-2
Molecular Weight (g/mol)	488.57
MDL Number	MFCD00151093
SMILES	[Na+].CC(C)C1=C\C(=C(\C2=CC(C(C)C)=C(O)C=C2C)C2=C(C=CC=C2)S([O-])(=O)=O)C(C)=CC1=O
IUPAC Name	sodium 2-{[4-hydroxy-2-methyl-5-(propan-2-yl)phenyl][(1E)-2-methyl-4-oxo-5-(propan-2-yl)cyclohexa-2,5-dien-1-ylidene]methyl}benzene-1-sulfonate
InChI Key	OCMIKNBSIRSUPI-FRWNMSGJSA-M
Molecular Formula	C27H29NaO5S

2,447

Fisher Science Education™ Thymolphthalein

CAS: 125-20-2 Molecular Formula: C28H30O4 Molecular Weight (g/mol): 430.544 InChI Key: LDKDGDIWEUUXSH-UHFFFAOYSA-N Synonym: TP PubChem CID: 31316 IUPAC Name: 3,3-bis(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-2-benzofuran-1-one SMILES: CC1=CC(=C(C=C1C2(C3=CC=CC=C3C(=O)O2)C4=CC(=C(C=C4C)O)C(C)C)C(C)C)O

Pricing & Availability
Specifications

PubChem CID	31316
CAS	125-20-2
Molecular Weight (g/mol)	430.544
SMILES	CC1=CC(=C(C=C1C2(C3=CC=CC=C3C(=O)O2)C4=CC(=C(C=C4C)O)C(C)C)C(C)C)O
Synonym	TP
IUPAC Name	3,3-bis(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-2-benzofuran-1-one
InChI Key	LDKDGDIWEUUXSH-UHFFFAOYSA-N
Molecular Formula	C28H30O4

2,448

Fisher Science Education™ Thionin Solution

CAS: 581-64-6 Molecular Formula: C12H10ClN3S Molecular Weight (g/mol): 263.743 InChI Key: PVPBBTJXIKFICP-UHFFFAOYSA-N Synonym: C.I. 52000,Thionine PubChem CID: 65043 IUPAC Name: (7-aminophenothiazin-3-ylidene)azanium;chloride SMILES: C1=CC2=C(C=C1N)SC3=CC(=[NH2+])C=CC3=N2.[Cl-]

Pricing & Availability
Specifications

PubChem CID	65043
CAS	581-64-6
Molecular Weight (g/mol)	263.743
SMILES	C1=CC2=C(C=C1N)SC3=CC(=[NH2+])C=CC3=N2.[Cl-]
Synonym	C.I. 52000,Thionine
IUPAC Name	(7-aminophenothiazin-3-ylidene)azanium;chloride
InChI Key	PVPBBTJXIKFICP-UHFFFAOYSA-N
Molecular Formula	C12H10ClN3S

2,449

Fisher Science Education™ Bromocresol Green Solution

Pricing & Availability
Specifications

Linear Formula	C₂₄H₄₃Br₄NaO₄S
CAS	7732-18-5
pH Color Changes	pH 3.8-5.4 (yellow-blue)
Color	Green
Packaging	0.04% w/v Solution
Chemical Name or Material	Bromcresol Green Solution
Synonym	BCG
Shelf Life	18 months
ChemAlert Storage Symbol	Gray
Density	1.000
Assay Percent Range	0.4% w/v

2,450

Fisher Science Education™ Fluorescein, Disodium Salt

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

Pricing & Availability
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	Uranin,Disodium Salt
IUPAC Name	disodium 2-(6-oxido-3-oxo-3H-xanthen-9-yl)benzoate
InChI Key	NJDNXYGOVLYJHP-UHFFFAOYSA-L
Molecular Formula	C20H10Na2O5

2,451

Fisher Science Education™ Eosin Yellow, 1% Alcohol Solution

CAS: 17372-87-1 Molecular Formula: C20H12Br4Na2O8 Molecular Weight (g/mol): 745.904 InChI Key: MASXMTNVNASWNH-UHFFFAOYSA-L 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+]

Pricing & Availability
Specifications

PubChem CID	91886399
CAS	17372-87-1
Molecular Weight (g/mol)	745.904
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+]
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

2,452

Fisher Science Education™ Alizarin Yellow R, Sodium Salt

Pricing & Availability

2,453

Fisher Science Education™ Congo Red, 0.1% Aqueous Solution

CAS: 573-58-0 Molecular Formula: C32H22N6Na2O6S2 Molecular Weight (g/mol): 696.664 InChI Key: IQFVPQOLBLOTPF-UHFFFAOYSA-L PubChem CID: 11313 ChEBI: CHEBI:34653 IUPAC Name: disodium;4-amino-3-[[4-[4-[(1-amino-4-sulfonatonaphthalen-2-yl)diazenyl]phenyl]phenyl]diazenyl]naphthalene-1-sulfonate SMILES: C1=CC=C2C(=C1)C(=CC(=C2N)N=NC3=CC=C(C=C3)C4=CC=C(C=C4)N=NC5=C(C6=CC=CC=C6C(=C5)S(=O)(=O)[O-])N)S(=O)(=O)[O-].[Na+].[Na+]

Pricing & Availability
Specifications

PubChem CID	11313
CAS	573-58-0
Molecular Weight (g/mol)	696.664
ChEBI	CHEBI:34653
SMILES	C1=CC=C2C(=C1)C(=CC(=C2N)N=NC3=CC=C(C=C3)C4=CC=C(C=C4)N=NC5=C(C6=CC=CC=C6C(=C5)S(=O)(=O)[O-])N)S(=O)(=O)[O-].[Na+].[Na+]
IUPAC Name	disodium;4-amino-3-[[4-[4-[(1-amino-4-sulfonatonaphthalen-2-yl)diazenyl]phenyl]phenyl]diazenyl]naphthalene-1-sulfonate
InChI Key	IQFVPQOLBLOTPF-UHFFFAOYSA-L
Molecular Formula	C32H22N6Na2O6S2

2,454

Fisher Science Education™ Congo Red, Biological Stain, pH Indicator

CAS: 573-58-0 Molecular Formula: C32H22N6Na2O6S2 Molecular Weight (g/mol): 696.664 InChI Key: IQFVPQOLBLOTPF-UHFFFAOYSA-L Synonym: C.I. Direct Red 28 PubChem CID: 11313 ChEBI: CHEBI:34653 IUPAC Name: disodium;4-amino-3-[[4-[4-[(1-amino-4-sulfonatonaphthalen-2-yl)diazenyl]phenyl]phenyl]diazenyl]naphthalene-1-sulfonate SMILES: C1=CC=C2C(=C1)C(=CC(=C2N)N=NC3=CC=C(C=C3)C4=CC=C(C=C4)N=NC5=C(C6=CC=CC=C6C(=C5)S(=O)(=O)[O-])N)S(=O)(=O)[O-].[Na+].[Na+]

Pricing & Availability
Specifications

PubChem CID	11313
CAS	573-58-0
Molecular Weight (g/mol)	696.664
ChEBI	CHEBI:34653
SMILES	C1=CC=C2C(=C1)C(=CC(=C2N)N=NC3=CC=C(C=C3)C4=CC=C(C=C4)N=NC5=C(C6=CC=CC=C6C(=C5)S(=O)(=O)[O-])N)S(=O)(=O)[O-].[Na+].[Na+]
Synonym	C.I. Direct Red 28
IUPAC Name	disodium;4-amino-3-[[4-[4-[(1-amino-4-sulfonatonaphthalen-2-yl)diazenyl]phenyl]phenyl]diazenyl]naphthalene-1-sulfonate
InChI Key	IQFVPQOLBLOTPF-UHFFFAOYSA-L
Molecular Formula	C32H22N6Na2O6S2

2,455

Fisher Science Education™ 2,6-Dichloroindophenol Sodium Salt

CAS: 620-45-1 Molecular Formula: C12H6Cl2NNaO2 Molecular Weight (g/mol): 290.07 MDL Number: MFCD00150014 InChI Key: FHLDWQLHDYCXKI-UHFFFAOYSA-M Synonym: 2, 6-Dichlorophenol Indophenol Sodium Salt PubChem CID: 23697355 ChEBI: CHEBI:948 IUPAC Name: sodium 2,6-dichloro-4-[(4-oxocyclohexa-2,5-dien-1-ylidene)amino]benzen-1-olate SMILES: [Na+].[O-]C1=C(Cl)C=C(C=C1Cl)N=C1C=CC(=O)C=C1

Pricing & Availability
Specifications

PubChem CID	23697355
CAS	620-45-1
Molecular Weight (g/mol)	290.07
ChEBI	CHEBI:948
MDL Number	MFCD00150014
SMILES	[Na+].[O-]C1=C(Cl)C=C(C=C1Cl)N=C1C=CC(=O)C=C1
Synonym	2, 6-Dichlorophenol Indophenol Sodium Salt
IUPAC Name	sodium 2,6-dichloro-4-[(4-oxocyclohexa-2,5-dien-1-ylidene)amino]benzen-1-olate
InChI Key	FHLDWQLHDYCXKI-UHFFFAOYSA-M
Molecular Formula	C12H6Cl2NNaO2

2,456

Fisher Science Education™ Hematoxylin

CAS: 517-28-2 Molecular Formula: C16H14O6 Molecular Weight (g/mol): 302.28 MDL Number: MFCD00078111 InChI Key: WZUVPPKBWHMQCE-WKTCHCBJNA-N Synonym: Hematoxiline,Hydroxybrazilin,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

Pricing & Availability
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	Hematoxiline,Hydroxybrazilin,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

2,457

Fisher Science Education™ Methylene Blue

CAS: 7220-79-3 Molecular Formula: C16H24ClN3O3S Molecular Weight (g/mol): 373.90 MDL Number: MFCD00150008 InChI Key: XQAXGZLFSSPBMK-UHFFFAOYSA-M Synonym: Methylene Blue Chloride,Basic Blue 9 PubChem CID: 104827 IUPAC Name: 3,7-bis(dimethylamino)-5λ⁴-phenothiazin-5-ylium trihydrate chloride SMILES: O.O.O.[Cl-].CN(C)C1=CC2=[S+]C3=CC(=CC=C3N=C2C=C1)N(C)C

Pricing & Availability
Specifications

PubChem CID	104827
CAS	7220-79-3
Molecular Weight (g/mol)	373.90
MDL Number	MFCD00150008
SMILES	O.O.O.[Cl-].CN(C)C1=CC2=[S+]C3=CC(=CC=C3N=C2C=C1)N(C)C
Synonym	Methylene Blue Chloride,Basic Blue 9
IUPAC Name	3,7-bis(dimethylamino)-5λ⁴-phenothiazin-5-ylium trihydrate chloride
InChI Key	XQAXGZLFSSPBMK-UHFFFAOYSA-M
Molecular Formula	C16H24ClN3O3S

2,458

Fisher Science Education™ Orange G, Biological Stain

CAS: 1936-15-8 Molecular Formula: C16H10N2Na2O7S2 Molecular Weight (g/mol): 452.36 MDL Number: MFCD00012457 InChI Key: AEOVEGJBKQQFOP-DDVLFWKVSA-L Synonym: Acid Fast Orange G,Acid Orange G PubChem CID: 131850556 IUPAC Name: disodium (8Z)-7-oxo-8-(2-phenylhydrazin-1-ylidene)-7,8-dihydronaphthalene-1,3-disulfonate SMILES: [Na+].[Na+].[O-]S(=O)(=O)C1=CC2=C(\C(=N\NC3=CC=CC=C3)C(=O)C=C2)C(=C1)S([O-])(=O)=O

Pricing & Availability
Specifications

PubChem CID	131850556
CAS	1936-15-8
Molecular Weight (g/mol)	452.36
MDL Number	MFCD00012457
SMILES	[Na+].[Na+].[O-]S(=O)(=O)C1=CC2=C(\C(=N\NC3=CC=CC=C3)C(=O)C=C2)C(=C1)S([O-])(=O)=O
Synonym	Acid Fast Orange G,Acid Orange G
IUPAC Name	disodium (8Z)-7-oxo-8-(2-phenylhydrazin-1-ylidene)-7,8-dihydronaphthalene-1,3-disulfonate
InChI Key	AEOVEGJBKQQFOP-DDVLFWKVSA-L
Molecular Formula	C16H10N2Na2O7S2

2,459

Fisher Science Education™ Safranin O

Pricing & Availability

2,460

Fisher Science Education™ Thymol Blue

CAS: 81012-93-3 Synonym: Thymolsulfonephthalein

Pricing & Availability
Specifications

CAS	81012-93-3
Synonym	Thymolsulfonephthalein

Staining Reagents

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Fisher Science Education™ Thymol Blue Solution, 0.04% Science EducationA science education product.

Fisher Science Education™ Thymolphthalein Science EducationA science education product.

Fisher Science Education™ Thionin Solution Science EducationA science education product.

Fisher Science Education™ Bromocresol Green Solution Science EducationA science education product.

Fisher Science Education™ Fluorescein, Disodium Salt Science EducationA science education product.

Fisher Science Education™ Eosin Yellow, 1% Alcohol Solution Science EducationA science education product.

Fisher Science Education™ Alizarin Yellow R, Sodium Salt Science EducationA science education product.

Fisher Science Education™ Congo Red, 0.1% Aqueous Solution Science EducationA science education product.

Fisher Science Education™ Congo Red, Biological Stain, pH Indicator Science EducationA science education product.

Fisher Science Education™ 2,6-Dichloroindophenol Sodium Salt Science EducationA science education product.

Fisher Science Education™ Hematoxylin Science EducationA science education product.

Fisher Science Education™ Methylene Blue Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More Science EducationA science education product.

Fisher Science Education™ Orange G, Biological Stain Science EducationA science education product.

Fisher Science Education™ Safranin O Science EducationA science education product.

Fisher Science Education™ Thymol Blue Science EducationA science education product.