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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1,966 – 1,980 of 7,096 results

1,966

Starch Indicator, 1% no Preservative, Reagents

Starch Indicator, 1% no Preservative, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability

1,967

Phenolphthalein, 1% w/v in Methanol, Reagents

CAS: 67-56-1 Molecular Formula: CH4O Molecular Weight (g/mol): 32.04 InChI Key: OKKJLVBELUTLKV-UHFFFAOYSA-N Synonym: 3,3-Bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one IUPAC Name: methanol SMILES: CO

Pricing & Availability
Specifications

CAS	67-56-1
Molecular Weight (g/mol)	32.04
SMILES	CO
Synonym	3,3-Bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one
IUPAC Name	methanol
InChI Key	OKKJLVBELUTLKV-UHFFFAOYSA-N
Molecular Formula	CH4O

1,968

Methylene Blue, 1% w/v, Reagents

Methylene Blue, 1% w/v, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

Boiling Point	100°C
Percent Purity	1%
CAS	7220-79-3
Color	Blue
Physical Form	Liquid
Packaging	Poly Bottle
Chemical Name or Material	Methylene Blue, 1% w/v
Grade	Reagent
Synonym	3,7-Bis(dimethylamino)phenothiazin-5-ium chloride Trihydrate, Basic Blue 9 Trihydrate, Color Index 52015
Specific Gravity	1.005

1,969

Congo Red, Reagents

CAS: 573-58-0 Molecular Formula: C32H22N6Na2O6S2 Molecular Weight (g/mol): 696.66 InChI Key: IQFVPQOLBLOTPF-UHFFFAOYSA-L Synonym: Direct Red 28, Color Index 22120 IUPAC Name: disodium 4-amino-3-(2-{4'-[2-(1-amino-4-sulfonatonaphthalen-2-yl)diazen-1-yl]-[1,1'-biphenyl]-4-yl}diazen-1-yl)naphthalene-1-sulfonate SMILES: [Na+].[Na+].NC1=C2C=CC=CC2=C(C=C1N=NC1=CC=C(C=C1)C1=CC=C(C=C1)N=NC1=CC(=C2C=CC=CC2=C1N)S([O-])(=O)=O)S([O-])(=O)=O

Pricing & Availability
Specifications

CAS	573-58-0
Molecular Weight (g/mol)	696.66
SMILES	[Na+].[Na+].NC1=C2C=CC=CC2=C(C=C1N=NC1=CC=C(C=C1)C1=CC=C(C=C1)N=NC1=CC(=C2C=CC=CC2=C1N)S([O-])(=O)=O)S([O-])(=O)=O
Synonym	Direct Red 28, Color Index 22120
IUPAC Name	disodium 4-amino-3-(2-{4'-[2-(1-amino-4-sulfonatonaphthalen-2-yl)diazen-1-yl]-[1,1'-biphenyl]-4-yl}diazen-1-yl)naphthalene-1-sulfonate
InChI Key	IQFVPQOLBLOTPF-UHFFFAOYSA-L
Molecular Formula	C32H22N6Na2O6S2

1,970

Malachite Green Oxalate (Basic Green 4), Reagents

CAS: 2437-29-8 Molecular Formula: C52H54N4O12 Molecular Weight (g/mol): 927.02 InChI Key: CNYGFPPAGUCRIC-UHFFFAOYSA-L Synonym: Basic Green 4 IUPAC Name: bis(bis[4-(dimethylamino)phenyl](phenyl)methylium) oxalic acid dihydrogen oxalate SMILES: OC(=O)C(O)=O.OC(=O)C([O-])=O.OC(=O)C([O-])=O.CN(C)C1=CC=C(C=C1)[C+](C1=CC=CC=C1)C1=CC=C(C=C1)N(C)C.CN(C)C1=CC=C(C=C1)[C+](C1=CC=CC=C1)C1=CC=C(C=C1)N(C)C

Pricing & Availability
Specifications

CAS	2437-29-8
Molecular Weight (g/mol)	927.02
SMILES	OC(=O)C(O)=O.OC(=O)C([O-])=O.OC(=O)C([O-])=O.CN(C)C1=CC=C(C=C1)[C+](C1=CC=CC=C1)C1=CC=C(C=C1)N(C)C.CN(C)C1=CC=C(C=C1)[C+](C1=CC=CC=C1)C1=CC=C(C=C1)N(C)C
Synonym	Basic Green 4
IUPAC Name	bis(bis[4-(dimethylamino)phenyl](phenyl)methylium) oxalic acid dihydrogen oxalate
InChI Key	CNYGFPPAGUCRIC-UHFFFAOYSA-L
Molecular Formula	C52H54N4O12

1,971

Eriochrome Black T Indicator, 0.5% w/v in 2-Methoxyethanol, Reagents

Eriochrome Black T Indicator, 0.5% w/v in 2-Methoxyethanol, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

Boiling Point	123°C
Percent Purity	0.5%
CAS	1787-61-7
Physical Form	Liquid
Packaging	Glass Bottle
Chemical Name or Material	Eriochrome Black T Indicator, 0.5% w/v in 2-Methoxyethanol
Grade	Reagent
Synonym	Water hardness indicator
Specific Gravity	0.97

1,972

Eriochrome Black T Indicator in 40% Ethanol/60% Triethanolamine, Reagents

Eriochrome Black T Indicator in 40% Ethanol/60% Triethanolamine, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

Percent Purity	0.8%
CAS	67-63-0
Color	Dark Blue
Physical Form	Liquid
Packaging	Glass Bottle
Chemical Name or Material	Eriochrome Black T Indicator in 40% Ethanol/60% Triethanolamine
Grade	Reagent
Synonym	Water hardness indicator
Specific Gravity	0.9982

1,973

Dichlorofluorescein, 0.08% w/v in 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

1,974

Crystal Violet TS 1% in Glacial 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

1,975

Universal Indicator, Reagents

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

Pricing & Availability
Specifications

CAS	67-63-0
Physical Form	Liquid
pH	6.8 to 7
Packaging	Poly Bottle
Chemical Name or Material	Universal Indicator
Grade	Reagent
Specific Gravity	0.947

1,976

Bromocresol Purple, 1% w/v Aqueous, Reagents

CAS: 7732-18-5 Molecular Formula: H2O Molecular Weight (g/mol): 18.02 InChI Key: XLYOFNOQVPJJNP-UHFFFAOYSA-N Synonym: Bromcresol purple IUPAC Name: water SMILES: O

Pricing & Availability
Specifications

CAS	7732-18-5
Molecular Weight (g/mol)	18.02
SMILES	O
Synonym	Bromcresol purple
IUPAC Name	water
InChI Key	XLYOFNOQVPJJNP-UHFFFAOYSA-N
Molecular Formula	H2O

1,977

Bromophenol Blue Indicator, 0.04% w/v, Reagents

Bromophenol 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	62625-28-9
Color	Dark Reddish Purple
Physical Form	Liquid
Chemical Name or Material	Bromophenol Blue Indicator, 0.04% w/v
Grade	Reagent
Synonym	3',3'',5',5''-Tetrabromosulfonphthalein, Tetrabromophenol blue, Bromphenol blue
Specific Gravity	1.001

1,978

Calmagite, 0.1% w/v, Reagents

CAS: 7732-18-5 Molecular Formula: H2O Molecular Weight (g/mol): 18.02 InChI Key: XLYOFNOQVPJJNP-UHFFFAOYSA-N Synonym: Water hardness indicator IUPAC Name: water SMILES: O

Pricing & Availability
Specifications

CAS	7732-18-5
Molecular Weight (g/mol)	18.02
SMILES	O
Synonym	Water hardness indicator
IUPAC Name	water
InChI Key	XLYOFNOQVPJJNP-UHFFFAOYSA-N
Molecular Formula	H2O

1,979

Starch Solution, 1% w/v Mercury-Free, Reagents

Starch Solution, 1% w/v Mercury-Free, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

Boiling Point	100°C
Percent Purity	1%
CAS	9005-84-9
Color	White
Physical Form	Liquid
Chemical Name or Material	Starch Solution, 1% w/v Mercury-Free
Grade	Reagent
Specific Gravity	1.01

1,980

Azo Violet Indicator, 0.025% w/v, Reagents

Azo Violet Indicator, 0.025% w/v, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

Boiling Point	100°C
Percent Purity	0.025%
CAS	74-39-5
Color	Violet
Physical Form	Liquid
Packaging	Glass Bottle
Chemical Name or Material	Azo Violet Indicator, 0.025% w/v
Grade	Reagent
Synonym	p-Nitrophenylazoresorcinol, 4-[(4-Nitrophenyl)diazenyl]benzene-1,3-diol
Specific Gravity	1.0001

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