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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1,891 – 1,905 of 7,125 results

1,891

Eriochrome™ Black T, in Methoxyethanol, for Hardness, Certified, LabChem™

CAS: 109-86-4 Molecular Formula: C3H8O2 Molecular Weight (g/mol): 76.095 InChI Key: XNWFRZJHXBZDAG-UHFFFAOYSA-N PubChem CID: 8019 ChEBI: CHEBI:46790 IUPAC Name: 2-methoxyethanol SMILES: COCCO

Pricing & Availability
Specifications

PubChem CID	8019
CAS	109-86-4
Molecular Weight (g/mol)	76.095
ChEBI	CHEBI:46790
SMILES	COCCO
IUPAC Name	2-methoxyethanol
InChI Key	XNWFRZJHXBZDAG-UHFFFAOYSA-N
Molecular Formula	C3H8O2

1,892

Eriochrome™ Blue-Black R, Reagent Grade, LabChem™

CAS: 2538-85-4 Molecular Formula: C20H13N2NaO5S Molecular Weight (g/mol): 416.383 InChI Key: YJUGDMOGPJJWDG-UHFFFAOYSA-M PubChem CID: 23702480 IUPAC Name: sodium;4-[(2-hydroxynaphthalen-1-yl)hydrazinylidene]-3-oxonaphthalene-1-sulfonate SMILES: C1=CC=C2C(=C1)C=CC(=C2NN=C3C4=CC=CC=C4C(=CC3=O)S(=O)(=O)[O-])O.[Na+]

Pricing & Availability
Specifications

PubChem CID	23702480
CAS	2538-85-4
Molecular Weight (g/mol)	416.383
SMILES	C1=CC=C2C(=C1)C=CC(=C2NN=C3C4=CC=CC=C4C(=CC3=O)S(=O)(=O)[O-])O.[Na+]
IUPAC Name	sodium;4-[(2-hydroxynaphthalen-1-yl)hydrazinylidene]-3-oxonaphthalene-1-sulfonate
InChI Key	YJUGDMOGPJJWDG-UHFFFAOYSA-M
Molecular Formula	C20H13N2NaO5S

1,893

Congo Red Indicator, 0.1% (w/v), pH 3.0 to 5.0 Blue to Red, Certified, LabChem™

CAS: 573-58-0 Molecular Formula: C32H22N6Na2O6S2 Molecular Weight (g/mol): 696.664 InChI Key: IQFVPQOLBLOTPF-UHFFFAOYSA-L PubChem CID: 11313 ChEBI: CHEBI:34653 IUPAC Name: disodium;4-amino-3-[[4-[4-[(1-amino-4-sulfonatonaphthalen-2-yl)diazenyl]phenyl]phenyl]diazenyl]naphthalene-1-sulfonate SMILES: C1=CC=C2C(=C1)C(=CC(=C2N)N=NC3=CC=C(C=C3)C4=CC=C(C=C4)N=NC5=C(C6=CC=CC=C6C(=C5)S(=O)(=O)[O-])N)S(=O)(=O)[O-].[Na+].[Na+]

Pricing & Availability
Specifications

PubChem CID	11313
CAS	573-58-0
Molecular Weight (g/mol)	696.664
ChEBI	CHEBI:34653
SMILES	C1=CC=C2C(=C1)C(=CC(=C2N)N=NC3=CC=C(C=C3)C4=CC=C(C=C4)N=NC5=C(C6=CC=CC=C6C(=C5)S(=O)(=O)[O-])N)S(=O)(=O)[O-].[Na+].[Na+]
IUPAC Name	disodium;4-amino-3-[[4-[4-[(1-amino-4-sulfonatonaphthalen-2-yl)diazenyl]phenyl]phenyl]diazenyl]naphthalene-1-sulfonate
InChI Key	IQFVPQOLBLOTPF-UHFFFAOYSA-L
Molecular Formula	C32H22N6Na2O6S2

1,894

Cresol Red, 0.04% Aqueous, pH 0.2 to 1.8 Red to Yellow, pH 7.2 to 8.8 Yellow to Purple, Certified, LabChem™

CAS: 62625-29-0

Pricing & Availability
Specifications

CAS	62625-29-0

1,895

Chlorophenol Red, 0.04% Aqueous, pH 5.2 to 6.8 Yellow to Red, Certified, LabChem™

CAS: 123333-64-2 Molecular Formula: C19H11Cl2O5S Molecular Weight (g/mol): 422.25 MDL Number: MFCD00151199 InChI Key: QXTPRQZMDKBTAI-UNOMPAQXSA-M PubChem CID: 131846007 IUPAC Name: 2-[(3-chloro-4-hydroxyphenyl)[(1Z)-3-chloro-4-oxocyclohexa-2,5-dien-1-ylidene]methyl]benzene-1-sulfonate SMILES: OC1=CC=C(C=C1Cl)C(=C1/C=CC(=O)C(Cl)=C1)\C1=CC=CC=C1S([O-])(=O)=O

Pricing & Availability
Specifications

PubChem CID	131846007
CAS	123333-64-2
Molecular Weight (g/mol)	422.25
MDL Number	MFCD00151199
SMILES	OC1=CC=C(C=C1Cl)C(=C1/C=CC(=O)C(Cl)=C1)\C1=CC=CC=C1S([O-])(=O)=O
IUPAC Name	2-[(3-chloro-4-hydroxyphenyl)[(1Z)-3-chloro-4-oxocyclohexa-2,5-dien-1-ylidene]methyl]benzene-1-sulfonate
InChI Key	QXTPRQZMDKBTAI-UNOMPAQXSA-M
Molecular Formula	C19H11Cl2O5S

1,896

Bromophenol Blue, ACS Reagent (Sultone) not water soluble, Reagents

Bromophenol Blue, ACS Reagent (Sultone) not water soluble, ACS, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

CAS	115-39-9
Molecular Weight (g/mol)	669.9607
Color	Orange
Physical Form	Solid
Packaging	Glass Bottle
Chemical Name or Material	Bromophenol Blue, ACS Reagent (Sultone) not water soluble
Grade	ACS
Synonym	3',3'',5',5''-Tetrabromosulfonphthalein, Tetrabromophenol blue, Bromphenol blue
Molecular Formula	C19H10Br4O5S
Specific Gravity	0.954

1,897

Methyl Orange, ACS Reagent (Acid Orange 52. CI 13025), Reagents

CAS: 547-58-0 Molecular Formula: C14H14N3O3S Molecular Weight (g/mol): 304.34 InChI Key: IETWCRRCPURZOC-UHFFFAOYSA-M Synonym: Orange III, Helianthine IUPAC Name: 4-{2-[4-(dimethylamino)phenyl]diazen-1-yl}benzene-1-sulfonate SMILES: CN(C)C1=CC=C(C=C1)N=NC1=CC=C(C=C1)S([O-])(=O)=O

Pricing & Availability
Specifications

CAS	547-58-0
Molecular Weight (g/mol)	304.34
SMILES	CN(C)C1=CC=C(C=C1)N=NC1=CC=C(C=C1)S([O-])(=O)=O
Synonym	Orange III, Helianthine
IUPAC Name	4-{2-[4-(dimethylamino)phenyl]diazen-1-yl}benzene-1-sulfonate
InChI Key	IETWCRRCPURZOC-UHFFFAOYSA-M
Molecular Formula	C14H14N3O3S

1,898

Crystal Violet, 0.2% w/v in Acetic Acid, Reagents

CAS: 64-19-7 Molecular Formula: C2H4O2 Molecular Weight (g/mol): 60.05 MDL Number: MFCD00036152 InChI Key: QTBSBXVTEAMEQO-UHFFFAOYSA-N Synonym: Gentian Violet, Basic Violet 3 IUPAC Name: acetic acid SMILES: CC(O)=O

Pricing & Availability
Specifications

CAS	64-19-7
Molecular Weight (g/mol)	60.05
MDL Number	MFCD00036152
SMILES	CC(O)=O
Synonym	Gentian Violet, Basic Violet 3
IUPAC Name	acetic acid
InChI Key	QTBSBXVTEAMEQO-UHFFFAOYSA-N
Molecular Formula	C2H4O2

1,899

Bromophenol Blue Indicator, 0.4% w/v, Reagents

Bromophenol Blue Indicator, 0.4% w/v, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

Boiling Point	100°C
Percent Purity	0.4%
CAS	62625-28-9
Color	Dark Reddish Purple
Physical Form	Liquid
Packaging	Poly Bottle
Chemical Name or Material	Bromophenol Blue Indicator, 0.4% w/v
Grade	Reagent
Synonym	3',3'',5',5''-Tetrabromosulfonphthalein, Tetrabromophenol blue, Bromphenol blue
Specific Gravity	1.001

1,900

Bromocresol Green, Methyl Red Indicator, APHA for Alkalinity, Alcoholic, Reagents

Bromocresol Green - Methyl Red Indicator APHA for Alkalinity, Alcoholic, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

Boiling Point	72°C
CAS	67-63-0
Physical Form	Liquid
Chemical Name or Material	Bromocresol Green - Methyl Red Indicator APHA for Alkalinity, Alcoholic
Grade	Reagent
Synonym	Bromcresol Green-Methyl Red, MRBG
Specific Gravity	0.7907

1,901

Bromothymol Blue Indicator, 0.04% w/v, Reagents

Bromothymol Blue Indicator, 0.04% w/v, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

Boiling Point	100°C
Percent Purity	0.04%
CAS	34722-90-2
Physical Form	Liquid
Packaging	Poly Bottle
Chemical Name or Material	Bromothymol Blue Indicator, 0.04% w/v
Grade	Reagent
Synonym	Dibromothymolsulfophthalein, Bromthymol Blue
Specific Gravity	1.0001

1,902

Bromocresol Green-Methyl Red Indicator in 50% Methanol, Reagents

Bromocresol Green-Methyl Red Indicator in 50% Methanol, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

CAS	67-56-1
Physical Form	Liquid
Chemical Name or Material	Bromocresol Green-Methyl Red Indicator in 50% Methanol
Grade	Reagent
Synonym	Bromcresol Green-Methyl Red, MRBG
Specific Gravity	0.9

1,903

Indicator G, Reagents

Indicator G, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

Boiling Point	100°C
CAS	587-98-4
Physical Form	Liquid
Packaging	Poly Bottle
Chemical Name or Material	Indicator G
Grade	Reagent
Synonym	Metanil Yellow/Erioglaucine
Specific Gravity	1.001

1,904

Dichlorofluorescein, 0.2% In 70% Isopropanol, Reagents

CAS: 67-63-0 Molecular Formula: C3H8O Molecular Weight (g/mol): 60.10 InChI Key: KFZMGEQAYNKOFK-UHFFFAOYSA-N Synonym: 2',7'-Dichloro-3,6-fluorandiol, 2,7-Dichlorofluorescein, 2',7'-dichloro-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one IUPAC Name: propan-2-ol SMILES: CC(C)O

Pricing & Availability
Specifications

CAS	67-63-0
Molecular Weight (g/mol)	60.10
SMILES	CC(C)O
Synonym	2',7'-Dichloro-3,6-fluorandiol, 2,7-Dichlorofluorescein, 2',7'-dichloro-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one
IUPAC Name	propan-2-ol
InChI Key	KFZMGEQAYNKOFK-UHFFFAOYSA-N
Molecular Formula	C3H8O

1,905

Phenolphthalein, 0.5% w/v in 95% Ethanol, Reagents

CAS: 64-17-5 Molecular Formula: C2H6O Molecular Weight (g/mol): 46.07 InChI Key: LFQSCWFLJHTTHZ-UHFFFAOYSA-N Synonym: 3,3-Bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one IUPAC Name: ethanol SMILES: CCO

Pricing & Availability
Specifications

CAS	64-17-5
Molecular Weight (g/mol)	46.07
SMILES	CCO
Synonym	3,3-Bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one
IUPAC Name	ethanol
InChI Key	LFQSCWFLJHTTHZ-UHFFFAOYSA-N
Molecular Formula	C2H6O

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