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 (9,145)

Tissue Stain Blocking Reagents (82)

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1,696 – 1,710 of 7,067 results

1,696

StatLab MasterTech 1% Acid Alcohol

StatLab 1% Acid Alcohol, a MasterTech Special Stain Kit Component

Pricing & Availability

1,697

StatLab MasterTech Alcoholic Saffron Solution

StatLab MasterTech Alcoholic Saffron Solution - used as a special stain to selectively color connective tissue yellow

Pricing & Availability
Specifications

Type	Alcoholic Saffron Solution
Product Type	Special Stain

1,698

Acid Black 1 97.0+%, TCI America™

CAS: 1064-48-8 Molecular Formula: C22H14N6Na2O9S2 Molecular Weight (g/mol): 616.487 MDL Number: MFCD00004017 InChI Key: HKBVRFLHNUEVRO-UHFFFAOYSA-L Synonym: Amido Black 10B, Aminoschwarz 10B, Buffalo Black NBR, Naphthol Blue Black PubChem CID: 44134531 IUPAC Name: disodium;4-amino-3-[(4-nitrophenyl)diazenyl]-5-oxo-6-(phenylhydrazinylidene)naphthalene-2,7-disulfonate SMILES: C1=CC=C(C=C1)NN=C2C(=CC3=CC(=C(C(=C3C2=O)N)N=NC4=CC=C(C=C4)[N+](=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]

Pricing & Availability
Specifications

PubChem CID	44134531
CAS	1064-48-8
Molecular Weight (g/mol)	616.487
MDL Number	MFCD00004017
SMILES	C1=CC=C(C=C1)NN=C2C(=CC3=CC(=C(C(=C3C2=O)N)N=NC4=CC=C(C=C4)[N+](=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]
Synonym	Amido Black 10B, Aminoschwarz 10B, Buffalo Black NBR, Naphthol Blue Black
IUPAC Name	disodium;4-amino-3-[(4-nitrophenyl)diazenyl]-5-oxo-6-(phenylhydrazinylidene)naphthalene-2,7-disulfonate
InChI Key	HKBVRFLHNUEVRO-UHFFFAOYSA-L
Molecular Formula	C22H14N6Na2O9S2

1,699

Methylene Blue Loeffler Formulation, Loeffler's Alkaline Methylene Blue, Ricca Chemical

For staining and differentiation of acid fast organisms in smears

Pricing & Availability
Specifications

CAS	1310-58-3
Color	Blue
Packaging	Natural Poly Bottle
CAS Min %	0.01
Chemical Name or Material	METHYLENE BLUE
Grade	Laboratory
CAS Max %	0.01

1,700

Molecular Weight (g/mol)	Mixture
Color	Red
Physical Form	Liquid
CAS Min %	0.47
Chemical Name or Material	Eriochrome Black
Grade	Indicator
SMILES	CO
InChI Key	OKKJLVBELUTLKV-UHFFFAOYSA-N
Name Note	Test Solution
CAS	1787-61-7
MDL Number	MFCD00004595
Packaging	Amber Glass Bottle
IUPAC Name	methanol
Molecular Formula	CH4O
CAS Max %	0.49

1,701

Acid Red 52 98.0+%, TCI America™

CAS: 3520-42-1 Molecular Formula: C29H33N2NaO7S2 Molecular Weight (g/mol): 608.70 MDL Number: MFCD00010180 InChI Key: XJENLUNLXRJLEZ-UHFFFAOYSA-M Synonym: Acid Red, Sulforhodamine B, Xylene Red PubChem CID: 131852807 IUPAC Name: sodium 3,6-bis(diethylamino)-9-(2,4-disulfonatophenyl)-2,7-dimethyl-10λ⁴-xanthen-10-ylium SMILES: [Na+].CCN(CC)C1=CC2=[O+]C3=CC(N(CC)CC)=C(C)C=C3C(C3=CC=C(C=C3S([O-])(=O)=O)S([O-])(=O)=O)=C2C=C1C

Pricing & Availability
Specifications

PubChem CID	131852807
CAS	3520-42-1
Molecular Weight (g/mol)	608.70
MDL Number	MFCD00010180
SMILES	[Na+].CCN(CC)C1=CC2=[O+]C3=CC(N(CC)CC)=C(C)C=C3C(C3=CC=C(C=C3S([O-])(=O)=O)S([O-])(=O)=O)=C2C=C1C
Synonym	Acid Red, Sulforhodamine B, Xylene Red
IUPAC Name	sodium 3,6-bis(diethylamino)-9-(2,4-disulfonatophenyl)-2,7-dimethyl-10λ⁴-xanthen-10-ylium
InChI Key	XJENLUNLXRJLEZ-UHFFFAOYSA-M
Molecular Formula	C29H33N2NaO7S2

1,702

Brilliant Blue G, TCI America™

CAS: 6104-58-1 Molecular Formula: C47H48N3NaO7S2 Molecular Weight (g/mol): 854.025 MDL Number: MFCD00078482 InChI Key: RWVGQQGBQSJDQV-UHFFFAOYSA-M Synonym: Acid Blue 90 PubChem CID: 6328534 IUPAC Name: sodium;3-[[4-[(Z)-[4-(4-ethoxyanilino)phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]-2-methylcyclohexa-2,5-dien-1-ylidene]methyl]-N-ethyl-3-methylanilino]methyl]benzenesulfonate SMILES: CCN(CC1=CC(=CC=C1)S(=O)(=O)[O-])C2=CC(=C(C=C2)C(=C3C=CC(=[N+](CC)CC4=CC(=CC=C4)S(=O)(=O)[O-])C=C3C)C5=CC=C(C=C5)NC6=CC=C(C=C6)OCC)C.[Na+]

Pricing & Availability
Specifications

PubChem CID	6328534
CAS	6104-58-1
Molecular Weight (g/mol)	854.025
MDL Number	MFCD00078482
SMILES	CCN(CC1=CC(=CC=C1)S(=O)(=O)[O-])C2=CC(=C(C=C2)C(=C3C=CC(=[N+](CC)CC4=CC(=CC=C4)S(=O)(=O)[O-])C=C3C)C5=CC=C(C=C5)NC6=CC=C(C=C6)OCC)C.[Na+]
Synonym	Acid Blue 90
IUPAC Name	sodium;3-[[4-[(Z)-[4-(4-ethoxyanilino)phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]-2-methylcyclohexa-2,5-dien-1-ylidene]methyl]-N-ethyl-3-methylanilino]methyl]benzenesulfonate
InChI Key	RWVGQQGBQSJDQV-UHFFFAOYSA-M
Molecular Formula	C47H48N3NaO7S2

1,703

StatLab MasterTech Special Stain Kit, One Step Trichrome Stain (Green and Red)

One Step Trichrome Stain (Green and Red)

Pricing & Availability

1,704

Phenol Red Indicator, 1% (w/v), Ricca Chemical

CAS: 34487-61-1 Molecular Formula: C19H13NaO5S Molecular Weight (g/mol): Mixture InChI Key: HKHYOKBQJILTEI-UHFFFAOYSA-M PubChem CID: 23686673 IUPAC Name: sodium;4-[3-(4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenolate SMILES: C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC=C(C=C3)O)C4=CC=C(C=C4)[O-].[Na+]

Pricing & Availability
Specifications

PubChem CID	23686673
CAS	34487-61-1
Molecular Weight (g/mol)	Mixture
SMILES	C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC=C(C=C3)O)C4=CC=C(C=C4)[O-].[Na+]
IUPAC Name	sodium;4-[3-(4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenolate
InChI Key	HKHYOKBQJILTEI-UHFFFAOYSA-M
Molecular Formula	C19H13NaO5S

1,705

Variamine Blue B Base 98.0+%, TCI America™

CAS: 101-64-4 Molecular Formula: C13H14N2O Molecular Weight (g/mol): 214.27 MDL Number: MFCD00070553 InChI Key: RBLUJIWKMSZIMK-UHFFFAOYSA-N Synonym: 4-Amino-4′C-methoxydiphenylamine, N-(4-Methoxyphenyl)-1,4-phenylenediamine PubChem CID: 66869 IUPAC Name: N1-(4-methoxyphenyl)benzene-1,4-diamine SMILES: COC1=CC=C(NC2=CC=C(N)C=C2)C=C1

Pricing & Availability
Specifications

PubChem CID	66869
CAS	101-64-4
Molecular Weight (g/mol)	214.27
MDL Number	MFCD00070553
SMILES	COC1=CC=C(NC2=CC=C(N)C=C2)C=C1
Synonym	4-Amino-4′C-methoxydiphenylamine, N-(4-Methoxyphenyl)-1,4-phenylenediamine
IUPAC Name	N1-(4-methoxyphenyl)benzene-1,4-diamine
InChI Key	RBLUJIWKMSZIMK-UHFFFAOYSA-N
Molecular Formula	C13H14N2O

1,706

Fluorescein, TCI America™

CAS: 2321-07-5 Molecular Formula: C20H12O5 Molecular Weight (g/mol): 332.31 MDL Number: MFCD00005050 InChI Key: GNBHRKFJIUUOQI-UHFFFAOYSA-N Synonym: Acid Yellow 73 PubChem CID: 16850 ChEBI: CHEBI:31624 IUPAC Name: 3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one SMILES: C1=CC=C2C(=C1)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O

Pricing & Availability
Specifications

PubChem CID	16850
CAS	2321-07-5
Molecular Weight (g/mol)	332.31
ChEBI	CHEBI:31624
MDL Number	MFCD00005050
SMILES	C1=CC=C2C(=C1)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O
Synonym	Acid Yellow 73
IUPAC Name	3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one
InChI Key	GNBHRKFJIUUOQI-UHFFFAOYSA-N
Molecular Formula	C20H12O5

1,707

Fast Black K Salt, TCI America™

CAS: 64071-86-9 Molecular Formula: C14H12Cl3N5O4Zn Molecular Weight (g/mol): 486.011 MDL Number: MFCD00078471 InChI Key: XTWKPSDLMBAAGG-UHFFFAOYSA-K Synonym: 2,5-Dimethoxy-4-(4-nitrophenylazo)benzenediazonium Chloride Zinc Chloride PubChem CID: 91972136 IUPAC Name: zinc;2,5-dimethoxy-4-[(4-nitrophenyl)diazenyl]benzenediazonium;trichloride SMILES: COC1=CC(=C(C=C1N=NC2=CC=C(C=C2)[N+](=O)[O-])OC)[N+]#N.[Cl-].[Cl-].[Cl-].[Zn+2]

Pricing & Availability
Specifications

PubChem CID	91972136
CAS	64071-86-9
Molecular Weight (g/mol)	486.011
MDL Number	MFCD00078471
SMILES	COC1=CC(=C(C=C1N=NC2=CC=C(C=C2)[N+](=O)[O-])OC)[N+]#N.[Cl-].[Cl-].[Cl-].[Zn+2]
Synonym	2,5-Dimethoxy-4-(4-nitrophenylazo)benzenediazonium Chloride Zinc Chloride
IUPAC Name	zinc;2,5-dimethoxy-4-[(4-nitrophenyl)diazenyl]benzenediazonium;trichloride
InChI Key	XTWKPSDLMBAAGG-UHFFFAOYSA-K
Molecular Formula	C14H12Cl3N5O4Zn

1,708

Eriochrome Cyanine TS, Ricca Chemical

Pricing & Availability
Specifications

Name Note	Test Solution
CAS	3564-18-9
Color	Red
Physical Form	Liquid
Packaging	Natural Poly Bottle
CAS Min %	0.07
Chemical Name or Material	Eriochrome Cyanine
Grade	Indicator
CAS Max %	0.07

1,709

StatLab Poly Scientific Special Stain Kit Component, Metanil Yellow 0.25% Aqueous

Metanil Yellow 0.25% Aqueous

Pricing & Availability
Specifications

Type	Stain Kit

1,710

Basic Red 2, TCI America™

CAS: 477-73-6 Molecular Formula: C20H19ClN4 Molecular Weight (g/mol): 350.85 MDL Number: MFCD00011759 InChI Key: QRYAEWIQIBAZOJ-UHFFFAOYSA-N Synonym: Safranine T, Safranine O PubChem CID: 2723800 IUPAC Name: 2,7-diamino-1,8-dimethyl-5-phenyl-5λ⁵-phenazin-5-ylium chloride SMILES: [Cl-].CC1=C(N)C=C2C(=C1)N=C1C(C)=C(N)C=CC1=[N+]2C1=CC=CC=C1

Pricing & Availability
Specifications

PubChem CID	2723800
CAS	477-73-6
Molecular Weight (g/mol)	350.85
MDL Number	MFCD00011759
SMILES	[Cl-].CC1=C(N)C=C2C(=C1)N=C1C(C)=C(N)C=CC1=[N+]2C1=CC=CC=C1
Synonym	Safranine T, Safranine O
IUPAC Name	2,7-diamino-1,8-dimethyl-5-phenyl-5λ⁵-phenazin-5-ylium chloride
InChI Key	QRYAEWIQIBAZOJ-UHFFFAOYSA-N
Molecular Formula	C20H19ClN4

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