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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1,306 – 1,320 of 7,098 results

1,306

Diiodofluorescein TS, 0.5% (w/v) in dilute Alcohol, Ricca Chemical

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1,307

Copper Standard, 200 ppm Cu, Ricca Chemical

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1,308

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

1,309

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

1,310

Bromopyrogallol Red, TCI America™

CAS: 16574-43-9 Molecular Formula: C19H10Br2O8S Molecular Weight (g/mol): 558.15 MDL Number: MFCD00148865 InChI Key: QFXYYBXMARTXHI-UHFFFAOYSA-N Synonym: Dibromopyrogallolsulfonphthaleine PubChem CID: 85495 IUPAC Name: 2',7'-dibromo-3',4',5',6'-tetrahydroxyspiro[2,1λ⁶-benzoxathiole-3,9'-xanthene]-1,1-dione SMILES: OC1=C(O)C2=C(C=C1Br)C1(OS(=O)(=O)C3=CC=CC=C13)C1=CC(Br)=C(O)C(O)=C1O2

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Specifications

PubChem CID	85495
CAS	16574-43-9
Molecular Weight (g/mol)	558.15
MDL Number	MFCD00148865
SMILES	OC1=C(O)C2=C(C=C1Br)C1(OS(=O)(=O)C3=CC=CC=C13)C1=CC(Br)=C(O)C(O)=C1O2
Synonym	Dibromopyrogallolsulfonphthaleine
IUPAC Name	2',7'-dibromo-3',4',5',6'-tetrahydroxyspiro[2,1λ⁶-benzoxathiole-3,9'-xanthene]-1,1-dione
InChI Key	QFXYYBXMARTXHI-UHFFFAOYSA-N
Molecular Formula	C19H10Br2O8S

1,311

Tetrabromophenol Blue 95.0+%, TCI America™

CAS: 4430-25-5 Molecular Formula: C19H6Br8O5S Molecular Weight (g/mol): 985.544 MDL Number: MFCD00005876 InChI Key: QPMIVFWZGPTDPN-UHFFFAOYSA-N Synonym: Tetrabromophenoltetrabromosulfophthalein, TBPB PubChem CID: 78159 IUPAC Name: 2,6-dibromo-4-[4,5,6,7-tetrabromo-3-(3,5-dibromo-4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenol SMILES: C1=C(C=C(C(=C1Br)O)Br)C2(C3=C(C(=C(C(=C3Br)Br)Br)Br)S(=O)(=O)O2)C4=CC(=C(C(=C4)Br)O)Br

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Specifications

PubChem CID	78159
CAS	4430-25-5
Molecular Weight (g/mol)	985.544
MDL Number	MFCD00005876
SMILES	C1=C(C=C(C(=C1Br)O)Br)C2(C3=C(C(=C(C(=C3Br)Br)Br)Br)S(=O)(=O)O2)C4=CC(=C(C(=C4)Br)O)Br
Synonym	Tetrabromophenoltetrabromosulfophthalein, TBPB
IUPAC Name	2,6-dibromo-4-[4,5,6,7-tetrabromo-3-(3,5-dibromo-4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenol
InChI Key	QPMIVFWZGPTDPN-UHFFFAOYSA-N
Molecular Formula	C19H6Br8O5S

1,312

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

1,313

Naphthol Yellow S Hydrate 98.0+%, TCI America™

CAS: 846-70-8 Molecular Formula: C10H4N2Na2O8S Molecular Weight (g/mol): 358.188 MDL Number: MFCD00003958 InChI Key: CTIQLGJVGNGFEW-UHFFFAOYSA-L Synonym: 2,4-Dinitro-1-naphthol-7-sulfonic Acid Disodium Salt, Disodium 2,4-Dinitro-1-naphthol-7-sulfonate, Disodium 8-Hydroxy-5,7-dinitro-2-naphthalenesulfonate, 8-Hydroxy-5,7-dinitro-2-naphthalenesulfonic Acid Disodium Salt, Flavianic Acid Disodium Salt, Acid Ye PubChem CID: 2724063 ChEBI: CHEBI:87219 IUPAC Name: disodium;5,7-dinitro-8-oxidonaphthalene-2-sulfonate SMILES: C1=CC2=C(C=C1S(=O)(=O)[O-])C(=C(C=C2[N+](=O)[O-])[N+](=O)[O-])[O-].[Na+].[Na+]

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Specifications

PubChem CID	2724063
CAS	846-70-8
Molecular Weight (g/mol)	358.188
ChEBI	CHEBI:87219
MDL Number	MFCD00003958
SMILES	C1=CC2=C(C=C1S(=O)(=O)[O-])C(=C(C=C2[N+](=O)[O-])[N+](=O)[O-])[O-].[Na+].[Na+]
Synonym	2,4-Dinitro-1-naphthol-7-sulfonic Acid Disodium Salt, Disodium 2,4-Dinitro-1-naphthol-7-sulfonate, Disodium 8-Hydroxy-5,7-dinitro-2-naphthalenesulfonate, 8-Hydroxy-5,7-dinitro-2-naphthalenesulfonic Acid Disodium Salt, Flavianic Acid Disodium Salt, Acid Ye
IUPAC Name	disodium;5,7-dinitro-8-oxidonaphthalene-2-sulfonate
InChI Key	CTIQLGJVGNGFEW-UHFFFAOYSA-L
Molecular Formula	C10H4N2Na2O8S

1,314

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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1,315

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)

1,316

Chlorophenol Red 93.0+%, TCI America™

CAS: 4430-20-0 Molecular Formula: C19H12Cl2O5S Molecular Weight (g/mol): 423.26 MDL Number: MFCD00005877 InChI Key: WWAABJGNHFGXSJ-UHFFFAOYSA-N PubChem CID: 20486 IUPAC Name: 3,3-bis(3-chloro-4-hydroxyphenyl)-3H-2,1λ⁶-benzoxathiole-1,1-dione SMILES: OC1=CC=C(C=C1Cl)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC=C(O)C(Cl)=C1

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Specifications

PubChem CID	20486
CAS	4430-20-0
Molecular Weight (g/mol)	423.26
MDL Number	MFCD00005877
SMILES	OC1=CC=C(C=C1Cl)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC=C(O)C(Cl)=C1
IUPAC Name	3,3-bis(3-chloro-4-hydroxyphenyl)-3H-2,1λ⁶-benzoxathiole-1,1-dione
InChI Key	WWAABJGNHFGXSJ-UHFFFAOYSA-N
Molecular Formula	C19H12Cl2O5S

1,317

p-Dimethylaminobenzaldehyde Solution, Indicator for Hydrazine, Ricca Chemical

CAS: 67-56-1 Molecular Formula: C9H11NO Molecular Weight (g/mol): Mixture InChI Key: BGNGWHSBYQYVRX-UHFFFAOYSA-N Synonym: 4-dimethylamino benzaldehyde,p-dimethylaminobenzaldehyde,ehrlich's reagent,p-formyldimethylaniline,benzaldehyde, 4-dimethylamino,p-dimethylamino benzaldehyde,p-formyl-n,n-dimethylaniline,n,n-dimethyl-p-aminobenzaldehyde,p-n,n-dimethylamino benzaldehyde,4-dimethylaminobenzenecarbonal PubChem CID: 7479 IUPAC Name: 4-(dimethylamino)benzaldehyde SMILES: CN(C)C1=CC=C(C=O)C=C1

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Specifications

PubChem CID	7479
CAS	67-56-1
Molecular Weight (g/mol)	Mixture
SMILES	CN(C)C1=CC=C(C=O)C=C1
Synonym	4-dimethylamino benzaldehyde,p-dimethylaminobenzaldehyde,ehrlich's reagent,p-formyldimethylaniline,benzaldehyde, 4-dimethylamino,p-dimethylamino benzaldehyde,p-formyl-n,n-dimethylaniline,n,n-dimethyl-p-aminobenzaldehyde,p-n,n-dimethylamino benzaldehyde,4-dimethylaminobenzenecarbonal
IUPAC Name	4-(dimethylamino)benzaldehyde
InChI Key	BGNGWHSBYQYVRX-UHFFFAOYSA-N
Molecular Formula	C9H11NO

1,318

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

1,319

Xylenol Orange Indicator, 0.2% (w/v) in Alcohol, Ricca Chemical

CAS: 64-17-5

Pricing & Availability
Specifications

CAS	64-17-5

1,320

Universal Indicator, pH 2 - 10, Ricca Chemical

Pricing & Availability
Specifications

Name Note	pH 2 - 10
CAS	493-52-7
Color	Dark Brown
Physical Form	Liquid
CAS Min %	0.02
Chemical Name or Material	Universal Indicator
Grade	Indicator
CAS Max %	0.03

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