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 (9,241)

Tissue Stain Blocking Reagents (82)

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181 – 195 of 7,189 results

181

Osmium Tetroxide (4% in Water), TCI America™

CAS: 20816-12-0 Molecular Formula: O4Os Molecular Weight (g/mol): 254.23 MDL Number: MFCD00011150 InChI Key: VUVGYHUDAICLFK-UHFFFAOYSA-N Synonym: Osmium(VIII) Oxide PubChem CID: 30318 IUPAC Name: tetraoxoosmium SMILES: O=[Os](=O)(=O)=O

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Specifications

PubChem CID	30318
CAS	20816-12-0
Molecular Weight (g/mol)	254.23
MDL Number	MFCD00011150
SMILES	O=[Os](=O)(=O)=O
Synonym	Osmium(VIII) Oxide
IUPAC Name	tetraoxoosmium
InChI Key	VUVGYHUDAICLFK-UHFFFAOYSA-N
Molecular Formula	O4Os

182

BD BBL™/Difco™ TB Stain Kit ZN

For staining mycobacteria by the Ziehl-Neelsen (hot) acid-fast procedure

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183

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Methyl Viologen hydrate, 98%

CAS: 1910-42-5 Molecular Formula: C12H14Cl2N2 Molecular Weight (g/mol): 257.16 MDL Number: MFCD00150001 InChI Key: FIKAKWIAUPDISJ-UHFFFAOYSA-L Synonym: Paraquat, dichloride PubChem CID: 15938 ChEBI: CHEBI:28786 IUPAC Name: 1-methyl-4-(1-methylpyridin-1-ium-4-yl)pyridin-1-ium;dichloride SMILES: [Cl-].[Cl-].C[N+]1=CC=C(C=C1)C1=CC=[N+](C)C=C1

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Specifications

PubChem CID	15938
CAS	1910-42-5
Molecular Weight (g/mol)	257.16
ChEBI	CHEBI:28786
MDL Number	MFCD00150001
SMILES	[Cl-].[Cl-].C[N+]1=CC=C(C=C1)C1=CC=[N+](C)C=C1
Synonym	Paraquat, dichloride
IUPAC Name	1-methyl-4-(1-methylpyridin-1-ium-4-yl)pyridin-1-ium;dichloride
InChI Key	FIKAKWIAUPDISJ-UHFFFAOYSA-L
Molecular Formula	C12H14Cl2N2

184

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Thermo Scientific Chemicals Fast Green FCF

CAS: 2353-45-9 Molecular Formula: C37H34N2Na2O10S3 Molecular Weight (g/mol): 808.84 MDL Number: MFCD00013053 InChI Key: XJBPDZVCYTYRIN-UHFFFAOYSA-L Synonym: C.I. 42053 PubChem CID: 16887 IUPAC Name: disodium;2-[[4-[ethyl-[(3-sulfonatophenyl)methyl]amino]phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]-5-hydroxybenzenesulfonate SMILES: [Na+].[Na+].CCN(CC1=CC=CC(=C1)S([O-])(=O)=O)C1=CC=C(C=C1)[C+](C1=CC=C(C=C1)N(CC)CC1=CC=CC(=C1)S([O-])(=O)=O)C1=CC=C(O)C=C1S([O-])(=O)=O

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Specifications

PubChem CID	16887
CAS	2353-45-9
Molecular Weight (g/mol)	808.84
MDL Number	MFCD00013053
SMILES	[Na+].[Na+].CCN(CC1=CC=CC(=C1)S([O-])(=O)=O)C1=CC=C(C=C1)[C+](C1=CC=C(C=C1)N(CC)CC1=CC=CC(=C1)S([O-])(=O)=O)C1=CC=C(O)C=C1S([O-])(=O)=O
Synonym	C.I. 42053
IUPAC Name	disodium;2-[[4-[ethyl-[(3-sulfonatophenyl)methyl]amino]phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]-5-hydroxybenzenesulfonate
InChI Key	XJBPDZVCYTYRIN-UHFFFAOYSA-L
Molecular Formula	C37H34N2Na2O10S3

185

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Thermo Scientific Chemicals Neutral Red

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; C.I. 50040 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; C.I. 50040
IUPAC Name	8-N,8-N,3-trimethylphenazine-2,8-diamine;hydrochloride
InChI Key	PGSADBUBUOPOJS-UHFFFAOYSA-N
Molecular Formula	C15H17ClN4

186

Thermo Scientific™ Remel™ TB Auramine-Rhodamine T Stain

Thermo Scientific™ Remel TB Auramine-Rhodamine T is a fluorescent stain for microscopic detection of AFB.

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187

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Thioflavin T

CAS: 2390-54-7 Molecular Formula: C17H19ClN2S Molecular Weight (g/mol): 318.86 MDL Number: MFCD00011944 InChI Key: JADVWWSKYZXRGX-UHFFFAOYSA-M Synonym: Basic Yellow 1,C.I. 49005 PubChem CID: 16953 ChEBI: CHEBI:76023 IUPAC Name: 2-[4-(dimethylamino)phenyl]-3,6-dimethyl-1,3-benzothiazol-3-ium chloride SMILES: [Cl-].CN(C)C1=CC=C(C=C1)C1=[N+](C)C2=CC=C(C)C=C2S1

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Specifications

PubChem CID	16953
CAS	2390-54-7
Molecular Weight (g/mol)	318.86
ChEBI	CHEBI:76023
MDL Number	MFCD00011944
SMILES	[Cl-].CN(C)C1=CC=C(C=C1)C1=[N+](C)C2=CC=C(C)C=C2S1
Synonym	Basic Yellow 1,C.I. 49005
IUPAC Name	2-[4-(dimethylamino)phenyl]-3,6-dimethyl-1,3-benzothiazol-3-ium chloride
InChI Key	JADVWWSKYZXRGX-UHFFFAOYSA-M
Molecular Formula	C17H19ClN2S

188

Thermo Scientific™ Remel™ TB Ziehl-Neelsen Carbolfuchsin Stain

Thermo Scientific™ Remel TB Ziehl-Neelsen Carbolfuchsin is a primary stain for AFB staining procedures.

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189

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Thermo Scientific Chemicals Patent Blue VF, pure, indicator grade

CAS: 129-17-9 Molecular Formula: C27H31N2NaO6S2 Molecular Weight (g/mol): 566.66 MDL Number: MFCD00012119 InChI Key: SJEYSFABYSGQBG-UHFFFAOYSA-M Synonym: Acid Blue 1,C.I. 42045,αzurine 2G,Sulphan blue PubChem CID: 8507 ChEBI: CHEBI:34906 IUPAC Name: sodium;4-[[4-(diethylamino)phenyl]-(4-diethylazaniumylidenecyclohexa-2,5-dien-1-ylidene)methyl]benzene-1,3-disulfonate SMILES: [Na+].CCN(CC)C1=CC=C(C=C1)[C+](C1=CC=C(C=C1)N(CC)CC)C1=CC=C(C=C1S([O-])(=O)=O)S([O-])(=O)=O

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Specifications

PubChem CID	8507
CAS	129-17-9
Molecular Weight (g/mol)	566.66
ChEBI	CHEBI:34906
MDL Number	MFCD00012119
SMILES	[Na+].CCN(CC)C1=CC=C(C=C1)[C+](C1=CC=C(C=C1)N(CC)CC)C1=CC=C(C=C1S([O-])(=O)=O)S([O-])(=O)=O
Synonym	Acid Blue 1,C.I. 42045,αzurine 2G,Sulphan blue
IUPAC Name	sodium;4-[[4-(diethylamino)phenyl]-(4-diethylazaniumylidenecyclohexa-2,5-dien-1-ylidene)methyl]benzene-1,3-disulfonate
InChI Key	SJEYSFABYSGQBG-UHFFFAOYSA-M
Molecular Formula	C27H31N2NaO6S2

190

Epredia™ Richard-Allan Scientific™ Elastic Stain, Van Gieson Stain Solution

Demonstrate the atrophy, thinning and loss of elastic tissue with Epredia™ Richard-Allan Scientific™ Elastic Stain.

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191

Thermo Scientific™ Remel™ Gram Stain Kit Plastic Tray

Thermo Scientific™ Remel Gram Stain Kit Plastic Tray holds 4 x 250mL bottles.

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192

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Thermo Scientific Chemicals Evans Blue

CAS: 314-13-6 Molecular Formula: C34H24N6Na4O14S4 Molecular Weight (g/mol): 960.79 MDL Number: MFCD00004021 InChI Key: KBNIFDASRCWYGC-GXNXWABVSA-J Synonym: C.I. 23860 PubChem CID: 24832074 IUPAC Name: tetrasodium;4-amino-6-[[4-[4-[2-(8-amino-1-oxo-5,7-disulfonatonaphthalen-2-ylidene)hydrazinyl]-3-methylphenyl]-2-methylphenyl]hydrazinylidene]-5-oxonaphthalene-1,3-disulfonate SMILES: [Na+].[Na+].[Na+].[Na+].CC1=CC(=CC=C1N\N=C1/C=CC2=C(C=C(C(N)=C2C1=O)S([O-])(=O)=O)S([O-])(=O)=O)C1=CC=C(N\N=C2/C=CC3=C(C=C(C(N)=C3C2=O)S([O-])(=O)=O)S([O-])(=O)=O)C(C)=C1

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Specifications

PubChem CID	24832074
CAS	314-13-6
Molecular Weight (g/mol)	960.79
MDL Number	MFCD00004021
SMILES	[Na+].[Na+].[Na+].[Na+].CC1=CC(=CC=C1N\N=C1/C=CC2=C(C=C(C(N)=C2C1=O)S([O-])(=O)=O)S([O-])(=O)=O)C1=CC=C(N\N=C2/C=CC3=C(C=C(C(N)=C3C2=O)S([O-])(=O)=O)S([O-])(=O)=O)C(C)=C1
Synonym	C.I. 23860
IUPAC Name	tetrasodium;4-amino-6-[[4-[4-[2-(8-amino-1-oxo-5,7-disulfonatonaphthalen-2-ylidene)hydrazinyl]-3-methylphenyl]-2-methylphenyl]hydrazinylidene]-5-oxonaphthalene-1,3-disulfonate
InChI Key	KBNIFDASRCWYGC-GXNXWABVSA-J
Molecular Formula	C34H24N6Na4O14S4

193

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Thermo Scientific Chemicals Crystal Violet, pure, high purity biological stain

CAS: 548-62-9 | C25H30ClN3 | 407.986 g/mol

Pricing & Availability
Specifications

Molecular Weight (g/mol)	407.986
ChEBI	CHEBI:41688
InChI Key	ZXJXZNDDNMQXFV-UHFFFAOYSA-M
PubChem CID	11057
Percent Purity	≥96.0% (TiCl3-titration) (on dried substance)
Infrared Spectrum	Authentic
RTECS Number	BO9000000
Formula Weight	407.99
Melting Point	215.0°C
Color	Green
Loss on Drying	9% max. (110°C)
Physical Form	Powder or Crystals
Chemical Name or Material	Crystal Violet
Grade	Pure
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-]
Merck Index	15, 4430
CAS	90-94-8
Health Hazard 3	GHS P Statement: Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Avoid release to the environment. Obtain special instructions before use. IF exposed or concerned: Get medical advice/attention. Do not eat, drink or smoke when using this product. WARNING: The information provided on this web site was developed in compliance with European Union (EU) regulations and is correct to the best of our knowledge, information and belief at the date of its publication. The information given is designed only as a guide for safe handling and use. It is not to be considered as either a warranty or quality specification.
MDL Number	MFCD00011750
Health Hazard 2	GHS H Statement: Very toxic to aquatic life with long lasting effects. Harmful if swallowed. Causes serious eye damage. May cause cancer.
Packaging	Glass bottle
Solubility Information	Solubility in water: 16g/L (25°C). Other solubilities: soluble in chloroform, 1 g/10 mL alcohol, 1 g/15 mL glycerin, practically insoluble in ether
Health Hazard 1	Danger
Synonym	Basic Violet 3,C.I. 42555,Gentian Violet
TSCA	TSCA
IUPAC Name	[4-[bis[4-(dimethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium;chloride
Beilstein	13, 756
Molecular Formula	C25H30ClN3
EINECS Number	208-953-6

194

Coomassie Brilliant Blue R-250, MP Biomedicals™

CAS: 6104-59-2 Molecular Formula: C45H44N3NaO7S2 Molecular Weight (g/mol): 825.97 MDL Number: MFCD00041762 InChI Key: HAEGGLCXLFWTBE-UHFFFAOYSA-M Synonym: Brilliant Blue R,Acid Blue 83 PubChem CID: 61365 IUPAC Name: sodium {4-[(4-ethoxyphenyl)amino]phenyl}bis(4-{ethyl[(3-sulfonatophenyl)methyl]amino}phenyl)methylium SMILES: [Na+].CCOC1=CC=C(NC2=CC=C(C=C2)[C+](C2=CC=C(C=C2)N(CC)CC2=CC=CC(=C2)S([O-])(=O)=O)C2=CC=C(C=C2)N(CC)CC2=CC=CC(=C2)S([O-])(=O)=O)C=C1

Pricing & Availability
Specifications

PubChem CID	61365
CAS	6104-59-2
Molecular Weight (g/mol)	825.97
MDL Number	MFCD00041762
SMILES	[Na+].CCOC1=CC=C(NC2=CC=C(C=C2)[C+](C2=CC=C(C=C2)N(CC)CC2=CC=CC(=C2)S([O-])(=O)=O)C2=CC=C(C=C2)N(CC)CC2=CC=CC(=C2)S([O-])(=O)=O)C=C1
Synonym	Brilliant Blue R,Acid Blue 83
IUPAC Name	sodium {4-[(4-ethoxyphenyl)amino]phenyl}bis(4-{ethyl[(3-sulfonatophenyl)methyl]amino}phenyl)methylium
InChI Key	HAEGGLCXLFWTBE-UHFFFAOYSA-M
Molecular Formula	C45H44N3NaO7S2

195

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Thermo Scientific Chemicals Methyl Red, sodium salt, ACS reagent

CAS: 845-10-3 Molecular Formula: C15H14N3NaO2 Molecular Weight (g/mol): 291.286 MDL Number: MFCD00002426 InChI Key: GNTPCYMJCJNRQB-UHFFFAOYSA-M Synonym: 2-[4-(Dimethylamino)phenylazo]benzoic acid, sodium salt,C.I. 13020,MR PubChem CID: 4465632 IUPAC Name: sodium;2-[[4-(dimethylamino)phenyl]diazenyl]benzoate SMILES: CN(C)C1=CC=C(C=C1)N=NC2=CC=CC=C2C(=O)[O-].[Na+]

Pricing & Availability
Specifications

PubChem CID	4465632
CAS	845-10-3
Molecular Weight (g/mol)	291.286
MDL Number	MFCD00002426
SMILES	CN(C)C1=CC=C(C=C1)N=NC2=CC=CC=C2C(=O)[O-].[Na+]
Synonym	2-[4-(Dimethylamino)phenylazo]benzoic acid, sodium salt,C.I. 13020,MR
IUPAC Name	sodium;2-[[4-(dimethylamino)phenyl]diazenyl]benzoate
InChI Key	GNTPCYMJCJNRQB-UHFFFAOYSA-M
Molecular Formula	C15H14N3NaO2

Staining Reagents

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Thermo Scientific™ Remel™ TB Auramine-Rhodamine T Stain GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

Thermo Scientific™ Remel™ TB Ziehl-Neelsen Carbolfuchsin Stain GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

Epredia™ Richard-Allan Scientific™ Elastic Stain, Van Gieson Stain Solution GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

Thermo Scientific™ Remel™ TB Auramine-Rhodamine T Stain

Thermo Scientific™ Remel™ TB Ziehl-Neelsen Carbolfuchsin Stain

Epredia™ Richard-Allan Scientific™ Elastic Stain, Van Gieson Stain Solution