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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1,996 – 2,010 of 7,125 results

1,996

Calmagite Indicator 0.2% w/v, Reagents

Calmagite Indicator 0.2% w/v, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability

1,997

Methyl Red Indicator, 0.02% Aqueous, Reagents

Methyl Red Indicator, 0.02% Aqueous, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

Boiling Point	100°C
Percent Purity	0.02%
CAS	845-10-3
Color	Orange to Red
Physical Form	Liquid
Chemical Name or Material	Methyl Red Indicator, 0.02% Aqueous
Grade	Reagent
Synonym	Acid Red 2, 2-[[4-(Dimethylamino)phenyl]diazenyl]benzoic Acid
Specific Gravity	1.001

1,998

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

1,999

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

2,000

Ferric Alum Indicator, Reagents

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

Pricing & Availability

2,001

Modified Methyl Orange Indicator, 0.1% Methyl Orange-Xylene Cyanole, Reagents

Modified Methyl Orange Indicator, 0.1% Methyl Orange-Xylene Cyanole, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

Boiling Point	100°C
Percent Purity	0.1%
CAS	2650-17-1
Color	Blue to Green
Physical Form	Liquid
Packaging	Poly Bottle
Chemical Name or Material	Methyl Orange Sodium Salt
Grade	Reagent
Synonym	Methyl Orange-Xylene Cyanole
Specific Gravity	1.001

2,002

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

2,003

Indicator A, Reagents

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

Pricing & Availability
Specifications

Boiling Point	100°C
CAS	3625-57-8
Color	Blue
Physical Form	Liquid
Chemical Name or Material	Indicator A
Grade	Reagent
Synonym	Nile blue sulfate
Specific Gravity	1.001

2,004

Chrome Azurol S (Mordant Blue 29, CI 43825), Reagents

Chrome Azurol S (Mordant Blue 29, CI 43825), Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability

2,005

Rhodanine Indicator, 0.02% (w/v), LabChem™

CAS: 141-84-4 Molecular Formula: C3H3NOS2 Molecular Weight (g/mol): 133.183 InChI Key: KIWUVOGUEXMXSV-UHFFFAOYSA-N PubChem CID: 1201546 ChEBI: CHEBI:8830 IUPAC Name: 2-sulfanylidene-1,3-thiazolidin-4-one SMILES: C1C(=O)NC(=S)S1

Pricing & Availability
Specifications

PubChem CID	1201546
CAS	141-84-4
Molecular Weight (g/mol)	133.183
ChEBI	CHEBI:8830
SMILES	C1C(=O)NC(=S)S1
IUPAC Name	2-sulfanylidene-1,3-thiazolidin-4-one
InChI Key	KIWUVOGUEXMXSV-UHFFFAOYSA-N
Molecular Formula	C3H3NOS2

2,006

Congo Red, Reagent Grade, 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

2,007

Dichlorofluorescein, ACS Grade, LabChem™

CAS: 76-54-0 Molecular Formula: C20H10Cl2O5 Molecular Weight (g/mol): 401.195 InChI Key: VFNKZQNIXUFLBC-UHFFFAOYSA-N PubChem CID: 64944 ChEBI: CHEBI:51596 IUPAC Name: 2',7'-dichloro-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one SMILES: C1=CC=C2C(=C1)C(=O)OC23C4=CC(=C(C=C4OC5=CC(=C(C=C35)Cl)O)O)Cl

Pricing & Availability
Specifications

PubChem CID	64944
CAS	76-54-0
Molecular Weight (g/mol)	401.195
ChEBI	CHEBI:51596
SMILES	C1=CC=C2C(=C1)C(=O)OC23C4=CC(=C(C=C4OC5=CC(=C(C=C35)Cl)O)O)Cl
IUPAC Name	2',7'-dichloro-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one
InChI Key	VFNKZQNIXUFLBC-UHFFFAOYSA-N
Molecular Formula	C20H10Cl2O5

2,008

m-Cresol Purple Sodium Salt, Reagent Grade, LabChem™

CAS: 62625-31-4

Pricing & Availability
Specifications

CAS	62625-31-4

2,009

m-Cresol Purple, 0.1% Aqueous, pH 1.2 to 2.8 Red to Yellow, pH 7.4 to 9.0 Yellow to Purple, Certified, LabChem™

CAS: 62625-31-4

Pricing & Availability
Specifications

CAS	62625-31-4

2,010

Eriochrome™ Black T, ACS Grade, LabChem™

CAS: 1787-61-7 Molecular Formula: C20H12N3NaO7S Molecular Weight (g/mol): 461.38 MDL Number: MFCD00003935 InChI Key: JHUJLRKQZAPSDP-GXTSIBQPSA-M PubChem CID: 87355429 IUPAC Name: sodium (4Z)-4-[2-(1-hydroxynaphthalen-2-yl)hydrazin-1-ylidene]-7-nitro-3-oxo-3,4-dihydronaphthalene-1-sulfonate SMILES: [Na+].OC1=C2C=CC=CC2=CC=C1N\N=C1/C(=O)C=C(C2=CC(=CC=C12)[N+]([O-])=O)S([O-])(=O)=O

Pricing & Availability
Specifications

PubChem CID	87355429
CAS	1787-61-7
Molecular Weight (g/mol)	461.38
MDL Number	MFCD00003935
SMILES	[Na+].OC1=C2C=CC=CC2=CC=C1N\N=C1/C(=O)C=C(C2=CC(=CC=C12)[N+]([O-])=O)S([O-])(=O)=O
IUPAC Name	sodium (4Z)-4-[2-(1-hydroxynaphthalen-2-yl)hydrazin-1-ylidene]-7-nitro-3-oxo-3,4-dihydronaphthalene-1-sulfonate
InChI Key	JHUJLRKQZAPSDP-GXTSIBQPSA-M
Molecular Formula	C20H12N3NaO7S

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