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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1,441 – 1,455 of 7,126 results

1,441

Iodine, D'Antoni, Ricca Chemical

CAS: 7553-56-2 Molecular Formula: I2 Molecular Weight (g/mol): Mixture MDL Number: MFCD00011355 MFCD00164163 InChI Key: PNDPGZBMCMUPRI-UHFFFAOYSA-N Synonym: iodine,diiodine,iodine crystals,iodine sublimed,tincture iodine,vistarin,eranol,iodio,iodine solution,iode PubChem CID: 807 ChEBI: CHEBI:17606 IUPAC Name: diiodine SMILES: II

Pricing & Availability
Specifications

PubChem CID	807
CAS	7553-56-2
Molecular Weight (g/mol)	Mixture
ChEBI	CHEBI:17606
MDL Number	MFCD00011355 MFCD00164163
SMILES	II
Synonym	iodine,diiodine,iodine crystals,iodine sublimed,tincture iodine,vistarin,eranol,iodio,iodine solution,iode
IUPAC Name	diiodine
InChI Key	PNDPGZBMCMUPRI-UHFFFAOYSA-N
Molecular Formula	I2

1,442

Fuchsin Solution, Decolorized R1, Ricca Chemical

Pricing & Availability
Specifications

CAS	569-61-9
Color	Colorless to Yellow
pH	<1
Packaging	Amber Glass Bottle
CAS Min %	0.05
Grade	Laboratory
CAS Max %	0.05

1,443

Brilliant Yellow, TCI America™

CAS: 3051-11-4 Molecular Formula: C26H18N4Na2O8S2 Molecular Weight (g/mol): 624.55 MDL Number: MFCD00007489 InChI Key: RDJCIKZLXHKBPH-SEPHDYHBSA-L Synonym: Direct Yellow 4 PubChem CID: 5702677 IUPAC Name: disodium;5-[2-(4-oxocyclohexa-2,5-dien-1-ylidene)hydrazinyl]-2-[(E)-2-[4-[2-(4-oxocyclohexa-2,5-dien-1-ylidene)hydrazinyl]-2-sulfonatophenyl]ethenyl]benzenesulfonate SMILES: C1=CC(=O)C=CC1=NNC2=CC(=C(C=C2)C=CC3=C(C=C(C=C3)NN=C4C=CC(=O)C=C4)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]

Pricing & Availability
Specifications

PubChem CID	5702677
CAS	3051-11-4
Molecular Weight (g/mol)	624.55
MDL Number	MFCD00007489
SMILES	C1=CC(=O)C=CC1=NNC2=CC(=C(C=C2)C=CC3=C(C=C(C=C3)NN=C4C=CC(=O)C=C4)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]
Synonym	Direct Yellow 4
IUPAC Name	disodium;5-[2-(4-oxocyclohexa-2,5-dien-1-ylidene)hydrazinyl]-2-[(E)-2-[4-[2-(4-oxocyclohexa-2,5-dien-1-ylidene)hydrazinyl]-2-sulfonatophenyl]ethenyl]benzenesulfonate
InChI Key	RDJCIKZLXHKBPH-SEPHDYHBSA-L
Molecular Formula	C26H18N4Na2O8S2

1,444

Acid Green 9, TCI America™

CAS: 4857-81-2 Molecular Formula: C37H34ClN2NaO6S2 Molecular Weight (g/mol): 725.247 MDL Number: MFCD00050440 InChI Key: SHBDDIJUSNNBLQ-UHFFFAOYSA-M Synonym: Patent Green, Alizarin Green, Brilliant Acid Green, Brilliant Milling Green PubChem CID: 25021982 IUPAC Name: sodium;3-[[4-[(2-chlorophenyl)-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]-N-ethylanilino]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=C3)C5=CC=CC=C5Cl.[Na+]

Pricing & Availability
Specifications

PubChem CID	25021982
CAS	4857-81-2
Molecular Weight (g/mol)	725.247
MDL Number	MFCD00050440
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=C3)C5=CC=CC=C5Cl.[Na+]
Synonym	Patent Green, Alizarin Green, Brilliant Acid Green, Brilliant Milling Green
IUPAC Name	sodium;3-[[4-[(2-chlorophenyl)-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]-N-ethylanilino]methyl]benzenesulfonate
InChI Key	SHBDDIJUSNNBLQ-UHFFFAOYSA-M
Molecular Formula	C37H34ClN2NaO6S2

1,445

Bromothymol Blue (0.04% in Water) [for pH Determination], TCI America™

CAS: 76-59-5 Molecular Formula: C27H28Br2O5S Molecular Weight (g/mol): 624.384 MDL Number: MFCD00005872 InChI Key: NUHCTOLBWMJMLX-UHFFFAOYSA-N PubChem CID: 6450 ChEBI: CHEBI:86155 IUPAC Name: 2-bromo-4-[3-(3-bromo-4-hydroxy-2-methyl-5-propan-2-ylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-3-methyl-6-propan-2-ylphenol SMILES: CC1=C(C(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C(=C4C)Br)O)C(C)C)C(C)C)O)Br

Pricing & Availability
Specifications

PubChem CID	6450
CAS	76-59-5
Molecular Weight (g/mol)	624.384
ChEBI	CHEBI:86155
MDL Number	MFCD00005872
SMILES	CC1=C(C(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C(=C4C)Br)O)C(C)C)C(C)C)O)Br
IUPAC Name	2-bromo-4-[3-(3-bromo-4-hydroxy-2-methyl-5-propan-2-ylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-3-methyl-6-propan-2-ylphenol
InChI Key	NUHCTOLBWMJMLX-UHFFFAOYSA-N
Molecular Formula	C27H28Br2O5S

1,446

Blue Tetrazolium 95.0+%, TCI America™

CAS: 1871-22-3 Molecular Formula: C40H36Cl2N8O2 Molecular Weight (g/mol): 731.68 MDL Number: MFCD00040933 InChI Key: RCEHREKDVGHYAM-UHFFFAOYSA-N Synonym: Ditetrazolium Chloride, Tetrazolium Blue PubChem CID: 9853362 ChEBI: CHEBI:75198 IUPAC Name: dihydrogen 2-[4'-(3,5-diphenyl-2,3-dihydro-1H-1,2,3,4-tetrazol-2-yl)-3,3'-dimethoxy-[1,1'-biphenyl]-4-yl]-3,5-diphenyl-2,3-dihydro-1H-1,2,3,4-tetrazole dichloride SMILES: [H+].[H+].[Cl-].[Cl-].COC1=CC(=CC=C1N1NC(=NN1C1=CC=CC=C1)C1=CC=CC=C1)C1=CC=C(N2NC(=NN2C2=CC=CC=C2)C2=CC=CC=C2)C(OC)=C1

Pricing & Availability
Specifications

PubChem CID	9853362
CAS	1871-22-3
Molecular Weight (g/mol)	731.68
ChEBI	CHEBI:75198
MDL Number	MFCD00040933
SMILES	[H+].[H+].[Cl-].[Cl-].COC1=CC(=CC=C1N1NC(=NN1C1=CC=CC=C1)C1=CC=CC=C1)C1=CC=C(N2NC(=NN2C2=CC=CC=C2)C2=CC=CC=C2)C(OC)=C1
Synonym	Ditetrazolium Chloride, Tetrazolium Blue
IUPAC Name	dihydrogen 2-[4'-(3,5-diphenyl-2,3-dihydro-1H-1,2,3,4-tetrazol-2-yl)-3,3'-dimethoxy-[1,1'-biphenyl]-4-yl]-3,5-diphenyl-2,3-dihydro-1H-1,2,3,4-tetrazole dichloride
InChI Key	RCEHREKDVGHYAM-UHFFFAOYSA-N
Molecular Formula	C40H36Cl2N8O2

1,447

Gentian Violet, 2% (w/v) in Methanol, Ricca Chemical

CAS: 548-62-9 Molecular Formula: C25H30ClN3 Molecular Weight (g/mol): Mixture InChI Key: ZXJXZNDDNMQXFV-UHFFFAOYSA-M PubChem CID: 11057 ChEBI: CHEBI:41688 IUPAC Name: [4-[bis[4-(dimethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium;chloride SMILES: CN(C)C1=CC=C(C=C1)C(=C2C=CC(=[N+](C)C)C=C2)C3=CC=C(C=C3)N(C)C.[Cl-]

Pricing & Availability
Specifications

PubChem CID	11057
CAS	548-62-9
Molecular Weight (g/mol)	Mixture
ChEBI	CHEBI:41688
SMILES	CN(C)C1=CC=C(C=C1)C(=C2C=CC(=[N+](C)C)C=C2)C3=CC=C(C=C3)N(C)C.[Cl-]
IUPAC Name	[4-[bis[4-(dimethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium;chloride
InChI Key	ZXJXZNDDNMQXFV-UHFFFAOYSA-M
Molecular Formula	C25H30ClN3

1,448

Acid Red 91, TCI America™

CAS: 548-24-3 Molecular Formula: C20H8Br2N2O9 MDL Number: MFCD00005041 Synonym: Eosin Bluish, Imperial Red

Pricing & Availability
Specifications

CAS	548-24-3
MDL Number	MFCD00005041
Synonym	Eosin Bluish, Imperial Red
Molecular Formula	C20H8Br2N2O9

1,449

Methyl Purple Indicator Solution, Ricca Chemical

For acid-base titrations

Pricing & Availability
Specifications

CAS	845-10-3
Color	Dark Green
Physical Form	Liquid
pH	>5.4
Packaging	Amber Glass Bottle
CAS Min %	98.0
Chemical Name or Material	Methyl Purple Indicator Solution
Grade	Indicator
CAS Max %	100.0

1,450

Methylene Blue, 0.1% (w/v), Ricca Chemical

Pricing & Availability
Specifications

Concentration or Composition (by Analyte or Components)	0.1% (w/v) Aqueous Solution
Percent Purity	0.1% W/V
CAS	7220-79-3
Color	Blue
Packaging	Amber Glass Bottle
Chemical Name or Material	Methylene Blue
Grade	Laboratory

1,451

Concentration or Composition (by Analyte or Components)	1% (w/v) Aqueous Solution
Percent Purity	1% W/V
CAS	7220-79-3
Color	Blue
Packaging	Natural Poly Bottle
Chemical Name or Material	Methylene Blue
Grade	Laboratory

1,452

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

Pricing & Availability
Specifications

Percent Purity	0.05% W/V
CAS	7732-18-5
Color	Blue
Physical Form	Liquid
Packaging	Natural Poly Bottle
CAS Min %	0.05
Chemical Name or Material	Methylene Blue
Grade	Laboratory
Concentration	0.05% (w/v)
Solvent or Matrix	Aqueous Solution
CAS Max %	0.05

1,453

Acid Red 27 90.0+%, TCI America™

CAS: 915-67-3 Molecular Formula: C20H11N2Na3O10S3 Molecular Weight (g/mol): 604.46 MDL Number: MFCD00004076 InChI Key: VOBHRQFELWTZFS-DXVNCNPQSA-K Synonym: Amaranth, Azo Rubine S, Bordeaux S, Naphthol Red, Wool Red 40 F PubChem CID: 6364527 IUPAC Name: trisodium (4E)-3-oxo-4-[2-(4-sulfonatonaphthalen-1-yl)hydrazin-1-ylidene]-3,4-dihydronaphthalene-2,7-disulfonate SMILES: [Na+].[Na+].[Na+].[O-]S(=O)(=O)C1=CC=C2C(=C1)C=C(C(=O)\C2=N\NC1=C2C=CC=CC2=C(C=C1)S([O-])(=O)=O)S([O-])(=O)=O

Pricing & Availability
Specifications

PubChem CID	6364527
CAS	915-67-3
Molecular Weight (g/mol)	604.46
MDL Number	MFCD00004076
SMILES	[Na+].[Na+].[Na+].[O-]S(=O)(=O)C1=CC=C2C(=C1)C=C(C(=O)\C2=N\NC1=C2C=CC=CC2=C(C=C1)S([O-])(=O)=O)S([O-])(=O)=O
Synonym	Amaranth, Azo Rubine S, Bordeaux S, Naphthol Red, Wool Red 40 F
IUPAC Name	trisodium (4E)-3-oxo-4-[2-(4-sulfonatonaphthalen-1-yl)hydrazin-1-ylidene]-3,4-dihydronaphthalene-2,7-disulfonate
InChI Key	VOBHRQFELWTZFS-DXVNCNPQSA-K
Molecular Formula	C20H11N2Na3O10S3

1,454

Methyl Orange Indicator, 0.05% (w/v), Ricca Chemical

Indicator for Acid-Base Titrations

Pricing & Availability
Specifications

Percent Purity	0.05% W/V
CAS	7732-18-5
Color	Orange
Physical Form	Liquid
pH	3 to 4
Packaging	Natural Poly Bottle
CAS Min %	0.05
Chemical Name or Material	Methyl Orange Indicator
Grade	Indicator
Concentration	0.05% (w/v)
Solvent or Matrix	Aqueous Solution
CAS Max %	0.05

1,455

Methylene Blue Milk Smear Stain, Ricca Chemical

Modified Newman-Lampert Formulation, for Microscopic Bacterial Examination of Milk

Pricing & Availability
Specifications

Name Note	Modified Newman-Lampert Formulation
CAS	7220-79-3
Color	Dark Blue
Physical Form	Liquid
Packaging	Amber Glass Bottle
CAS Min %	0.5
Chemical Name or Material	Methylene Blue Milk Smear Stain
Grade	Laboratory
CAS Max %	0.52

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