Stains and Dyes

A variety of solutions used to selectively bind to and enhance the visibility of biological structures using color and/or fluorescence; used for histology, protein staining, electrophoresis, bacterial classification, blotting, etc.

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1,186 – 1,200 of 7,126 results

1,186

Diphenylcarbazone Indicator, 0.1% (w/v) Alcoholic Solution, Ricca Chemical

Pricing & Availability
Specifications

Percent Purity	0.1% W/V
CAS	140-22-7
Color	Yellow
Physical Form	Liquid
Packaging	Amber Glass Bottle
Chemical Name or Material	Diphenylcarbazone Indicator
Grade	Indicator
Concentration	0.1% (w/v)
Solvent or Matrix	Alcoholic Solution

1,187

Thymolphthalein, ACS Reagent Grade, Ricca Chemical

CAS: 125-20-2 Molecular Formula: C28H30O4 Molecular Weight (g/mol): 430.544 InChI Key: LDKDGDIWEUUXSH-UHFFFAOYSA-N 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
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

1,188

Thymol Blue Sodium Salt, ACS Reagent Grade, Ricca Chemical

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

1,189

Indigo Carmine (FD&C Blue #2), Ricca Chemical

Pricing & Availability
Specifications

Color	Dark Blue
Chemical Name or Material	Indigo Carmine
Grade	Laboratory

1,190

Bromocresol Green Sodium Salt, ACS Reagent Grade, Ricca Chemical

CAS: 62625-32-5 Molecular Weight (g/mol): 720 g/mol

Pricing & Availability
Specifications

CAS	62625-32-5
Molecular Weight (g/mol)	720 g/mol

1,191

Papanicolaou Stain, EA-65 Formula, Ricca Chemical

Counterstain for use with Hematoxylin Stains in Papanicolaou Staining

Pricing & Availability
Specifications

Name Note	EA-65 Formula
CAS	10114-58-6
Color	Green
Physical Form	Murky Liquid
Packaging	Natural Poly Bottle
CAS Min %	0.02
Chemical Name or Material	Papanicolaou Stain
Grade	Laboratory
CAS Max %	0.02

1,192

Papanicolaou Stain, EA-36-50 Formula, Ricca Chemical

Counterstain for use with Hematoxylin Stains in Papanicolaou Staining

Pricing & Availability
Specifications

Name Note	EA-36-50 Formula
CAS	10114-58-6
Color	Green
Physical Form	Murky Liquid
pH	6 to 7
Packaging	Natural Poly Bottle
CAS Min %	9.0E-4
Chemical Name or Material	Papanicolaou Stain
Grade	Laboratory
CAS Max %	9.0E-4

1,193

Methyl Red - Methylene Blue Solution (Ethanol Soln.) [mixed Indicator], TCI America™

MDL Number: MFCD00079686 Synonym: Methylene Blue - Methyl Red Solution

Pricing & Availability
Specifications

MDL Number	MFCD00079686
Synonym	Methylene Blue - Methyl Red Solution

1,194

Copper Standard, 200 ppm Cu, Ricca Chemical

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1,195

StatLab™ MasterTech Chandler's Precision Reticulum Stain Kit

Reticulum Stain Kit stains reticulum fibers with no background staining in 30 minutes.

Pricing & Availability
Specifications

Product Type	Stain Kit

1,196

Metacresol Purple, TCI America™

CAS: 2303-01-7 Molecular Formula: C21H18O5S Molecular Weight (g/mol): 382.43 MDL Number: MFCD00005871 InChI Key: OLQIKGSZDTXODA-UHFFFAOYSA-N Synonym: m-Cresol Purple PubChem CID: 73030 IUPAC Name: 4-[3-(4-hydroxy-2-methylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-3-methylphenol SMILES: CC1=C(C=CC(=C1)O)C2(C3=CC=CC=C3S(=O)(=O)O2)C4=C(C=C(C=C4)O)C

Pricing & Availability
Specifications

PubChem CID	73030
CAS	2303-01-7
Molecular Weight (g/mol)	382.43
MDL Number	MFCD00005871
SMILES	CC1=C(C=CC(=C1)O)C2(C3=CC=CC=C3S(=O)(=O)O2)C4=C(C=C(C=C4)O)C
Synonym	m-Cresol Purple
IUPAC Name	4-[3-(4-hydroxy-2-methylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-3-methylphenol
InChI Key	OLQIKGSZDTXODA-UHFFFAOYSA-N
Molecular Formula	C21H18O5S

1,197

Bromocresol Purple (0.04% in Water) [for pH Determination], TCI America™

CAS: 115-40-2 Molecular Formula: C21H16Br2O5S Molecular Weight (g/mol): 540.22 MDL Number: MFCD00011681 InChI Key: ABIUHPWEYMSGSR-UHFFFAOYSA-N PubChem CID: 8273 ChEBI: CHEBI:86154 IUPAC Name: 3,3-bis(3-bromo-4-hydroxy-5-methylphenyl)-3H-2,1λ⁶-benzoxathiole-1,1-dione SMILES: CC1=CC(=CC(Br)=C1O)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC(C)=C(O)C(Br)=C1

Pricing & Availability
Specifications

PubChem CID	8273
CAS	115-40-2
Molecular Weight (g/mol)	540.22
ChEBI	CHEBI:86154
MDL Number	MFCD00011681
SMILES	CC1=CC(=CC(Br)=C1O)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC(C)=C(O)C(Br)=C1
IUPAC Name	3,3-bis(3-bromo-4-hydroxy-5-methylphenyl)-3H-2,1λ⁶-benzoxathiole-1,1-dione
InChI Key	ABIUHPWEYMSGSR-UHFFFAOYSA-N
Molecular Formula	C21H16Br2O5S

1,198

StatLab MasterTech Crystal Violet Amyloid Stain

Designed to rapidly screen for amyloid deposits

Pricing & Availability

1,199

Bromocresol Green Indicator, 1% (w/v), Ricca Chemical

Pricing & Availability
Specifications

Percent Purity	1% w/v
CAS	62625-32-5
Color	Dark Blue
Physical Form	Solution
pH	>5
Packaging	Natural Poly Bottle
Solubility Information	Solubility in Water: Infinite
Chemical Name or Material	Bromocresol Green
Grade	Indicator
Odor	Odorless
Assay Percent Range	1% (w/v)

1,200

StatLab Poly Scientific Chromic Acid 5% Aqueous

Used in the Gomori’s methenamine staining procedure for effective detection of fungi in tissue sections.

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Stains and Dyes

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