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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1,276 – 1,290 of 7,098 results

1,276

Hematoxylin Stain Solution, Gill 2 Formulation, Double Strength, Ricca Chemical

For More Intense Nuclei in Progressive Cytology and Delicate Nuclei in Progressive Histology

Pricing & Availability
Specifications

Name Note	Gill 2 Formulation, Double Strength
CAS	7681-55-2
Color	Dark Purple
Physical Form	Liquid
pH	2 to 4
CAS Min %	0.03
Chemical Name or Material	Hematoxylin Stain Solution
Grade	Laboratory
CAS Max %	0.03

1,277

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

1,278

Hematoxylin Stain Solution, Gill 3 Formulation, Triple Strength, Ricca Chemical

For Frozen or Plastic Imbedded Sections, and For More Intense Nuclei in Progressive Histology

Pricing & Availability
Specifications

Name Note	Gill 3 Formulation, Triple Strength
CAS	7681-55-2
Color	Dark Purple
Physical Form	Liquid
pH	2 to 4
CAS Min %	0.04
Chemical Name or Material	Hematoxylin Stain Solution
CAS Max %	0.04

1,279

Crystal Violet Lactone 97.0+%, TCI America™

CAS: 1552-42-7 Molecular Formula: C26H29N3O2 Molecular Weight (g/mol): 415.54 MDL Number: MFCD00070611 InChI Key: IPAJDLMMTVZVPP-UHFFFAOYSA-N Synonym: 3,3-Bis(p-dimethylaminophenyl)-6-dimethylaminophthalide, 6-(Dimethylamino)-3,3-bis[p-(dimethylamino)phenyl]phthalide PubChem CID: 73773 IUPAC Name: 6-(dimethylamino)-3,3-bis[4-(dimethylamino)phenyl]-1,3-dihydro-2-benzofuran-1-one SMILES: CN(C)C1=CC=C(C=C1)C1(OC(=O)C2=CC(=CC=C12)N(C)C)C1=CC=C(C=C1)N(C)C

Pricing & Availability
Specifications

PubChem CID	73773
CAS	1552-42-7
Molecular Weight (g/mol)	415.54
MDL Number	MFCD00070611
SMILES	CN(C)C1=CC=C(C=C1)C1(OC(=O)C2=CC(=CC=C12)N(C)C)C1=CC=C(C=C1)N(C)C
Synonym	3,3-Bis(p-dimethylaminophenyl)-6-dimethylaminophthalide, 6-(Dimethylamino)-3,3-bis[p-(dimethylamino)phenyl]phthalide
IUPAC Name	6-(dimethylamino)-3,3-bis[4-(dimethylamino)phenyl]-1,3-dihydro-2-benzofuran-1-one
InChI Key	IPAJDLMMTVZVPP-UHFFFAOYSA-N
Molecular Formula	C26H29N3O2

1,280

Acid Red 289, TCI America™

CAS: 12220-28-9 Molecular Formula: C35H29N2NaO7S2 Molecular Weight (g/mol): 676.734 InChI Key: MLYDRRZQNRGWEQ-UHFFFAOYSA-M PubChem CID: 92043221 IUPAC Name: sodium;3-[[6-(2,6-dimethylphenyl)azaniumylidene-9-(2-sulfonatophenyl)xanthen-3-yl]amino]-2,4-dimethylbenzenesulfonate SMILES: CC1=C(C(=CC=C1)C)[NH+]=C2C=CC3=C(C4=C(C=C(C=C4)NC5=C(C=CC(=C5C)S(=O)(=O)[O-])C)OC3=C2)C6=CC=CC=C6S(=O)(=O)[O-].[Na+]

Pricing & Availability
Specifications

PubChem CID	92043221
CAS	12220-28-9
Molecular Weight (g/mol)	676.734
SMILES	CC1=C(C(=CC=C1)C)[NH+]=C2C=CC3=C(C4=C(C=C(C=C4)NC5=C(C=CC(=C5C)S(=O)(=O)[O-])C)OC3=C2)C6=CC=CC=C6S(=O)(=O)[O-].[Na+]
IUPAC Name	sodium;3-[[6-(2,6-dimethylphenyl)azaniumylidene-9-(2-sulfonatophenyl)xanthen-3-yl]amino]-2,4-dimethylbenzenesulfonate
InChI Key	MLYDRRZQNRGWEQ-UHFFFAOYSA-M
Molecular Formula	C35H29N2NaO7S2

1,281

Papanicolaou Stain, Gill's Modified OG-6 Formula, Ricca Chemical

Counterstain for use with Hematoxylin Stains in Papanicolaou Staining

Pricing & Availability
Specifications

Name Note	Gill's Modified OG-6 Formula
CAS	12501-23-4
Color	Orange
Physical Form	Liquid
pH	5
Packaging	Natural Poly Bottle
CAS Min %	0.02
Chemical Name or Material	Papanicolaou Stain
Grade	Laboratory
CAS Max %	0.02

1,282

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

1,283

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

1,284

Gentian Violet, 1% (w/v) Alcoholic Solution, Ricca Chemical

Pricing & Availability
Specifications

Percent Purity	1% W/V
CAS	548-62-9
Color	Dark Violet
Physical Form	Liquid
Packaging	Natural Poly Bottle
CAS Min %	1.21
Chemical Name or Material	Gentian Violet
Grade	Indicator
Concentration	1% (w/v)
Solvent or Matrix	Alcoholic Solution
CAS Max %	1.26

1,285

Methylene Blue, 1% (w/v) in Denatured Alcohol, Ricca Chemical

Pricing & Availability
Specifications

Percent Purity	1% W/V
CAS	7220-79-3
Color	Blue
Packaging	Natural Poly Bottle
Chemical Name or Material	Methylene Blue
Grade	Laboratory

1,286

StatLab MasterTech 3% Potassium Ferrocyanide

For detecting iron deposits in tissue samples.

Pricing & Availability

1,287

Carmine Reagent, for Boron determination, Ricca Chemical

For Boron determination

Pricing & Availability
Specifications

CAS	7732-18-5
Color	Red
pH	<3
CAS Min %	0.05
Chemical Name or Material	Carmine Reagent
Grade	Laboratory
CAS Max %	0.05

1,288

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

1,289

StatLab MasterTech Gill's 1 Hematoxylin

The lightest of three Gill's Hematoxylin formulations and is best suited for staining in cytology preparations

Pricing & Availability
Specifications

Product Type	Hematoxylin 1

1,290

Metacresol Purple Sodium Salt, TCI America™

CAS: 62625-31-4 Molecular Formula: C21H18O5S MDL Number: MFCD00010177 Synonym: m-Cresol Purple Sodium Salt, Sodium m-Cresol Purple, Sodium Metacresol Purple

Pricing & Availability
Specifications

CAS	62625-31-4
MDL Number	MFCD00010177
Synonym	m-Cresol Purple Sodium Salt, Sodium m-Cresol Purple, Sodium Metacresol Purple
Molecular Formula	C21H18O5S

Stains and Dyes

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