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 (9,318)

Tissue Stain Blocking Reagents (81)

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1,141 – 1,155 of 7,270 results

1,141

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Xylidine Ponceau 2R, pure

CAS: 3761-53-3 Molecular Formula: C18H14N2Na2O7S2 Molecular Weight (g/mol): 480.417 MDL Number: MFCD00003897 InChI Key: YJVBLROMQZEFPA-UHFFFAOYSA-L Synonym: 4-(2,4-Dimethylphenylazo)-3-hydroxy-2,7-naphthalenedisulfonic acid, disodium salt,C.I. 16150,4-(2, 4-Dimethylphenylazo)-3-hydroxy-2, 7-naphthalenedisulfonic acid,Ponceau G, R, 2R PubChem CID: 102092631 ChEBI: CHEBI:82369 IUPAC Name: disodium;5-[(2,4-dimethylphenyl)diazenyl]-6-oxido-7-sulfonaphthalene-2-sulfonate SMILES: CC1=CC(=C(C=C1)N=NC2=C3C=CC(=CC3=CC(=C2[O-])S(=O)(=O)O)S(=O)(=O)[O-])C.[Na+].[Na+]

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Specifications

PubChem CID	102092631
CAS	3761-53-3
Molecular Weight (g/mol)	480.417
ChEBI	CHEBI:82369
MDL Number	MFCD00003897
SMILES	CC1=CC(=C(C=C1)N=NC2=C3C=CC(=CC3=CC(=C2[O-])S(=O)(=O)O)S(=O)(=O)[O-])C.[Na+].[Na+]
Synonym	4-(2,4-Dimethylphenylazo)-3-hydroxy-2,7-naphthalenedisulfonic acid, disodium salt,C.I. 16150,4-(2, 4-Dimethylphenylazo)-3-hydroxy-2, 7-naphthalenedisulfonic acid,Ponceau G, R, 2R
IUPAC Name	disodium;5-[(2,4-dimethylphenyl)diazenyl]-6-oxido-7-sulfonaphthalene-2-sulfonate
InChI Key	YJVBLROMQZEFPA-UHFFFAOYSA-L
Molecular Formula	C18H14N2Na2O7S2

1,142

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4-Phenylazophenol, 97%

CAS: 1689-82-3 Molecular Formula: C12H10N2O Molecular Weight (g/mol): 198.23 MDL Number: MFCD00002330 InChI Key: JTSBGMZPPPULTA-UHFFFAOYSA-N Synonym: C.I. 11800,4-Hydroxyazobenzene,Solvent Yellow 7 PubChem CID: 5354198 IUPAC Name: 4-(phenylhydrazinylidene)cyclohexa-2,5-dien-1-one SMILES: O=C1C=CC(C=C1)=NNC1=CC=CC=C1

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Specifications

PubChem CID	5354198
CAS	1689-82-3
Molecular Weight (g/mol)	198.23
MDL Number	MFCD00002330
SMILES	O=C1C=CC(C=C1)=NNC1=CC=CC=C1
Synonym	C.I. 11800,4-Hydroxyazobenzene,Solvent Yellow 7
IUPAC Name	4-(phenylhydrazinylidene)cyclohexa-2,5-dien-1-one
InChI Key	JTSBGMZPPPULTA-UHFFFAOYSA-N
Molecular Formula	C12H10N2O

1,143

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Phenolphthalein, 0.5% (w/v) Indicator Solution in 50% Alcohol, APHA, Spectrum™ Chemical

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Specifications

CAS	67-56-1
Color	Colorless
Packaging	Poly Bottle
Chemical Name or Material	Phenolphthalein
Grade	APHA
Concentration	0.5%

1,144

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o-Cresolphthalein Complexone Sodium Salt, Thermo Scientific Chemicals

CAS: 62698-54-8 Molecular Formula: C32H28N2Na4O12 Molecular Weight (g/mol): 724.54 MDL Number: MFCD00066371 InChI Key: KSMPPVYJZJBIES-UHFFFAOYSA-J PubChem CID: 112916 IUPAC Name: tetrasodium;2-[[5-[1-[3-[[bis(carboxylatomethyl)amino]methyl]-4-hydroxy-5-methylphenyl]-3-oxo-2-benzofuran-1-yl]-2-hydroxy-3-methylphenyl]methyl-(carboxylatomethyl)amino]acetate SMILES: [Na+].[Na+].[Na+].[Na+].CC1=CC(=CC(CN(CC([O-])=O)CC([O-])=O)=C1O)C1(OC(=O)C2=CC=CC=C12)C1=CC(C)=C(O)C(CN(CC([O-])=O)CC([O-])=O)=C1

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Specifications

PubChem CID	112916
CAS	62698-54-8
Molecular Weight (g/mol)	724.54
MDL Number	MFCD00066371
SMILES	[Na+].[Na+].[Na+].[Na+].CC1=CC(=CC(CN(CC([O-])=O)CC([O-])=O)=C1O)C1(OC(=O)C2=CC=CC=C12)C1=CC(C)=C(O)C(CN(CC([O-])=O)CC([O-])=O)=C1
IUPAC Name	tetrasodium;2-[[5-[1-[3-[[bis(carboxylatomethyl)amino]methyl]-4-hydroxy-5-methylphenyl]-3-oxo-2-benzofuran-1-yl]-2-hydroxy-3-methylphenyl]methyl-(carboxylatomethyl)amino]acetate
InChI Key	KSMPPVYJZJBIES-UHFFFAOYSA-J
Molecular Formula	C32H28N2Na4O12

1,145

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Thermo Scientific Chemicals Rhodamine B, pure

CAS: 81-88-9 Molecular Formula: C28H31ClN2O3 Molecular Weight (g/mol): 479.02 MDL Number: MFCD00011931 InChI Key: PYWVYCXTNDRMGF-UHFFFAOYSA-N Synonym: Basic Violet 10,C.I. 45170 PubChem CID: 6694 ChEBI: CHEBI:52334 IUPAC Name: [9-(2-carboxyphenyl)-6-(diethylamino)xanthen-3-ylidene]-diethylazanium;chloride SMILES: [Cl-].CCN(CC)C1=CC2=[O+]C3=CC(=CC=C3C(C3=CC=CC=C3C(O)=O)=C2C=C1)N(CC)CC

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Specifications

PubChem CID	6694
CAS	81-88-9
Molecular Weight (g/mol)	479.02
ChEBI	CHEBI:52334
MDL Number	MFCD00011931
SMILES	[Cl-].CCN(CC)C1=CC2=[O+]C3=CC(=CC=C3C(C3=CC=CC=C3C(O)=O)=C2C=C1)N(CC)CC
Synonym	Basic Violet 10,C.I. 45170
IUPAC Name	[9-(2-carboxyphenyl)-6-(diethylamino)xanthen-3-ylidene]-diethylazanium;chloride
InChI Key	PYWVYCXTNDRMGF-UHFFFAOYSA-N
Molecular Formula	C28H31ClN2O3

1,146

Fast Black K Salt Hemi(Zinc Chloride) Salt, Sigma-Aldrich

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1,147

Bromocresol Green (contains NaOH) Ethanol Solution [for TLC Stain], TCI America™

CAS: 76-60-8 Molecular Formula: C21H14Br4O5S Molecular Weight (g/mol): 698.014 MDL Number: MFCD00005874 InChI Key: FRPHFZCDPYBUAU-UHFFFAOYSA-N PubChem CID: 6451 IUPAC Name: 2,6-dibromo-4-[3-(3,5-dibromo-4-hydroxy-2-methylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-3-methylphenol SMILES: CC1=C(C(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C(=C4C)Br)O)Br)Br)O)Br

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Specifications

PubChem CID	6451
CAS	76-60-8
Molecular Weight (g/mol)	698.014
MDL Number	MFCD00005874
SMILES	CC1=C(C(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C(=C4C)Br)O)Br)Br)O)Br
IUPAC Name	2,6-dibromo-4-[3-(3,5-dibromo-4-hydroxy-2-methylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-3-methylphenol
InChI Key	FRPHFZCDPYBUAU-UHFFFAOYSA-N
Molecular Formula	C21H14Br4O5S

1,148

Sudan Black B, TCI America™

CAS: 4197-25-5 Molecular Formula: C29H24N6 Molecular Weight (g/mol): 456.553 MDL Number: MFCD00006919 InChI Key: YCUVUDODLRLVIC-UHFFFAOYSA-N Synonym: Solvent Black 3 PubChem CID: 61336 IUPAC Name: (2,2-dimethyl-1,3-dihydroperimidin-6-yl)-(4-phenyldiazenylnaphthalen-1-yl)diazene SMILES: CC1(NC2=C3C(=C(C=C2)N=NC4=CC=C(C5=CC=CC=C54)N=NC6=CC=CC=C6)C=CC=C3N1)C

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Specifications

PubChem CID	61336
CAS	4197-25-5
Molecular Weight (g/mol)	456.553
MDL Number	MFCD00006919
SMILES	CC1(NC2=C3C(=C(C=C2)N=NC4=CC=C(C5=CC=CC=C54)N=NC6=CC=CC=C6)C=CC=C3N1)C
Synonym	Solvent Black 3
IUPAC Name	(2,2-dimethyl-1,3-dihydroperimidin-6-yl)-(4-phenyldiazenylnaphthalen-1-yl)diazene
InChI Key	YCUVUDODLRLVIC-UHFFFAOYSA-N
Molecular Formula	C29H24N6

1,149

Cresol Red-Thymol Blue Indicator, Ricca Chemical

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Specifications

CAS	62625-29-0
Color	Brown/Purple
Physical Form	Liquid
Packaging	Natural Poly Bottle
CAS Min %	0.02
Chemical Name or Material	Cresol Red-Thymol Blue
Grade	Indicator
Solvent or Matrix	Aqueous Solution
CAS Max %	0.03

1,150

Starch Indicator, 1% (w/v), with Chloroform preservative, Ricca Chemical

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Specifications

Name Note	With Chloroform Preservative
Percent Purity	1% W/V
CAS	67-66-3
Color	Colorless
Physical Form	Liquid
pH	5 to 7
CAS Min %	0.1
Chemical Name or Material	Starch Indicator
Grade	Indicator
Concentration	1% (w/v)
Solvent or Matrix	Aqueous Solution
CAS Max %	0.4

1,151

Indophenol Blue, TCI America™

CAS: 132-31-0 Molecular Formula: C18H16N2O Molecular Weight (g/mol): 276.339 MDL Number: MFCD00041739 InChI Key: VRZJGENLTNRAIG-UHFFFAOYSA-N Synonym: N-(4-Dimethylaminophenyl)-1,4-naphthoquinoneimine, alpha-Naphthol Blue PubChem CID: 67235 IUPAC Name: 4-[4-(dimethylamino)phenyl]iminonaphthalen-1-one SMILES: CN(C)C1=CC=C(C=C1)N=C2C=CC(=O)C3=CC=CC=C23

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Specifications

PubChem CID	67235
CAS	132-31-0
Molecular Weight (g/mol)	276.339
MDL Number	MFCD00041739
SMILES	CN(C)C1=CC=C(C=C1)N=C2C=CC(=O)C3=CC=CC=C23
Synonym	N-(4-Dimethylaminophenyl)-1,4-naphthoquinoneimine, alpha-Naphthol Blue
IUPAC Name	4-[4-(dimethylamino)phenyl]iminonaphthalen-1-one
InChI Key	VRZJGENLTNRAIG-UHFFFAOYSA-N
Molecular Formula	C18H16N2O

1,152

StatLab™ MasterTech Alcian Blue PAS Stain Kit

PAS Stain Kit stains acid mucins, neutral mucins, and glycogen in 60 min.

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Specifications

Product Type	Stain Kit

1,153

Sodium Ligninsulfonate, TCI America™

This product is chemically-processing lignin derived from natural sources.

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Specifications

Content And Storage	20°C
Color	Deep Reddish Yellow-deep Yellow Red

1,154

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

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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

1,155

Methyl Purple Indicator, pH 4.8 to 5.4 Purple to Green, Certified, LabChem™

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Specifications

Linear Formula	C₁₅H₁₄N₃O₂Na
Color	Black/Green
Physical Form	Liquid
Chemical Name or Material	Methyl Purple Indicator
Grade	Certified
Identification	Passes Test
Name Note	pH 4.8 to 5.4 Purple to Green
CAS	845-10-3
Health Hazard 3	GHS P Statement Keep away from heat, sparks, open flames, hot surfaces. No smoking. Keep container tightly closed. Ground/bond container and receiving equipment. Use explosion-proof electrical, ventilating, lighting equipment. Use only non-sparking tools. Take precautionary measures against static discharge. Wear protective gloves, eye protection. Wash exposed skin thoroughly after handling. If on skin (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice/attention. Store in a cool, well-ventilated place. Dispose of contents/container to comply with local, state and federal regulations.
Decomposition Information	Sulfur compounds; Carbon monoxide; Carbon dioxide; Nitrogen oxides
Health Hazard 2	GHS H Statement Flammable liquid and vapor. Causes serious eye irritation.
Flash Point	33°C
Packaging	Poly Bottle
Solubility Information	Soluble in water
Health Hazard 1	Warning
Recommended Storage	Room Temperature
Formula Weight	291.28
CAS Max %	0.04

Staining Reagents

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