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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1,426 – 1,440 of 7,098 results

1,426

Phenolphthalein, 0.5% (w/v) in 50% (v/v) Isopropyl Alcohol, Ricca Chemical

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1,427

Phenolphthalein Indicator, 0.5% (w/v) in 50% (v/v) Methanol, Neutralized, Ricca Chemical

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1,428

Bromocresol Purple TS, 0.1% (w/v) in dilute Sodium Hydroxide, Ricca Chemical

Pricing & Availability
Specifications

Name Note	Test Solution
CAS	1310-73-2
Color	Purple
Physical Form	Liquid
pH	>12
Packaging	Natural Poly Bottle
CAS Min %	0.03
Chemical Name or Material	Bromocresol Purple
Grade	Indicator
Concentration	0.1% (w/v)
Solvent or Matrix	Dilute Sodium Hydroxide
CAS Max %	0.03

1,429

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

1,430

Methylene Blue TS, 0.05% (w/v) Alcoholic, Ricca Chemical

Pricing & Availability
Specifications

Name Note	Test Solution
CAS	7220-79-3
Color	Blue
Physical Form	Liquid
Packaging	Natural Poly Bottle
CAS Min %	0.06
Chemical Name or Material	Methylene Blue
Grade	Laboratory
Concentration	0.05% (w/v)
Solvent or Matrix	Alcoholic Solution
CAS Max %	0.06

1,431

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

1,432

Mordant Black 11 Triturate R, 1% (w/w) in Sodium Chloride, Ricca Chemical

CAS: 7647-14-5 Molecular Formula: ClNa Molecular Weight (g/mol): Mixture MDL Number: MFCD00003477 InChI Key: FAPWRFPIFSIZLT-UHFFFAOYSA-M PubChem CID: 5234 ChEBI: CHEBI:26710 IUPAC Name: sodium chloride SMILES: [Na+].[Cl-]

Pricing & Availability
Specifications

PubChem CID	5234
CAS	7647-14-5
Molecular Weight (g/mol)	Mixture
ChEBI	CHEBI:26710
MDL Number	MFCD00003477
SMILES	[Na+].[Cl-]
IUPAC Name	sodium chloride
InChI Key	FAPWRFPIFSIZLT-UHFFFAOYSA-M
Molecular Formula	ClNa

1,433

p-Naphtholbenzein Indicator, 1% (w/v) in Titration Solvent, Ricca Chemical

Pricing & Availability
Specifications

Concentration or Composition (by Analyte or Components)	1% (w/v) in Titration Solvent
CAS	7732-18-5
Color	Dark Red
Packaging	Amber Glass Bottle
Chemical Name or Material	p-Naphtholbenzein Indicator
Grade	Indicator

1,434

Potassium Chromate TS, 10% (w/v), Chloride Free, Indicator for Argentometric Titrations, Ricca Chemical

CAS: 7789-00-6 Molecular Formula: CrK2O4 Molecular Weight (g/mol): Mixture MDL Number: MFCD00011368 InChI Key: XMXNVYPJWBTAHN-UHFFFAOYSA-N Synonym: potassium chromate,bipotassium chromate,potassium chromate vi,dipotassium monochromate,dipotassium chromate,tarapacaite,chromate of potash,chromate of potass,neutral potassium chromate,caswell no. 687 PubChem CID: 24597 ChEBI: CHEBI:75249 IUPAC Name: dipotassium dioxochromiumbis(olate) SMILES: [K+].[K+].[O-][Cr]([O-])(=O)=O

Pricing & Availability
Specifications

PubChem CID	24597
CAS	7789-00-6
Molecular Weight (g/mol)	Mixture
ChEBI	CHEBI:75249
MDL Number	MFCD00011368
SMILES	[K+].[K+].[O-][Cr]([O-])(=O)=O
Synonym	potassium chromate,bipotassium chromate,potassium chromate vi,dipotassium monochromate,dipotassium chromate,tarapacaite,chromate of potash,chromate of potass,neutral potassium chromate,caswell no. 687
IUPAC Name	dipotassium dioxochromiumbis(olate)
InChI Key	XMXNVYPJWBTAHN-UHFFFAOYSA-N
Molecular Formula	CrK2O4