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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1,951 – 1,965 of 7,125 results

1,951

Methyl Orange Indicator, 0.05% w/v, Reagents

Methyl Orange Indicator, 0.05% w/v, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

Boiling Point	100°C
Percent Purity	0.05%
CAS	547-58-0
Color	Orange
Physical Form	Liquid
Packaging	Poly Bottle
Chemical Name or Material	Methyl Orange
Grade	Reagent
Synonym	Orange III, Helianthine
Molecular Formula	C14H14N3NaO3S/H2O
Specific Gravity	1.001

1,952

Phenolphthalein, 0.5% Aqueous, Reagents

CAS: 7732-18-5 Molecular Formula: H2O Molecular Weight (g/mol): 18.02 InChI Key: XLYOFNOQVPJJNP-UHFFFAOYSA-N Synonym: 3,3-Bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one IUPAC Name: water SMILES: O

Pricing & Availability
Specifications

CAS	7732-18-5
Molecular Weight (g/mol)	18.02
SMILES	O
Synonym	3,3-Bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one
IUPAC Name	water
InChI Key	XLYOFNOQVPJJNP-UHFFFAOYSA-N
Molecular Formula	H2O

1,953

Thymol Blue, 0.04% Aqueous, pH 1.2 to 2.8 Red to Yellow, pH 8.0 to 9.6 Yellow to Blue, Certified, LabChem™

CAS: 62625-21-2 Molecular Formula: C27H29NaO5S Molecular Weight (g/mol): 488.57 MDL Number: MFCD00151093 InChI Key: OCMIKNBSIRSUPI-FRWNMSGJSA-M PubChem CID: 23692293 IUPAC Name: sodium 2-{[4-hydroxy-2-methyl-5-(propan-2-yl)phenyl][(1E)-2-methyl-4-oxo-5-(propan-2-yl)cyclohexa-2,5-dien-1-ylidene]methyl}benzene-1-sulfonate SMILES: [Na+].CC(C)C1=C\C(=C(\C2=CC(C(C)C)=C(O)C=C2C)C2=C(C=CC=C2)S([O-])(=O)=O)C(C)=CC1=O

Pricing & Availability
Specifications

PubChem CID	23692293
CAS	62625-21-2
Molecular Weight (g/mol)	488.57
MDL Number	MFCD00151093
SMILES	[Na+].CC(C)C1=C\C(=C(\C2=CC(C(C)C)=C(O)C=C2C)C2=C(C=CC=C2)S([O-])(=O)=O)C(C)=CC1=O
IUPAC Name	sodium 2-{[4-hydroxy-2-methyl-5-(propan-2-yl)phenyl][(1E)-2-methyl-4-oxo-5-(propan-2-yl)cyclohexa-2,5-dien-1-ylidene]methyl}benzene-1-sulfonate
InChI Key	OCMIKNBSIRSUPI-FRWNMSGJSA-M
Molecular Formula	C27H29NaO5S

1,954

Thymol Blue, 0.08% in Methanol, for Organic Acids, Certified, LabChem™

CAS: 76-16-9

Pricing & Availability
Specifications

CAS	76-16-9

1,955

Starch Indicator, 1% no Preservative, Reagents

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

Pricing & Availability

1,956

Starch Indicator, Preserved with Chloroform (Mercury Free), Certified, 0.5%, LabChem™

Pricing & Availability
Specifications

Physical Form	Liquid
Chemical Name or Material	Starch Indicator
Grade	Certified
Identification	Passes Test
Density	1g/mL
Name Note	Preserved with Chloroform (Mercury Free)
Percent Purity	0.5%
CAS	64-17-5
Health Hazard 3	GHS P Statement Obtain special instructions before use. Do not handle until all safety precautions have been read and understood. Wear protective gloves/eye protection/face protection. If exposed or concerned: Get medical attention. Store locked up. Dispose of contents/container in accordance with local, state and federal regulations.
Decomposition Information	Hydrogen chloride; Carbon monoxide; Carbon dioxide
Health Hazard 2	GHS H Statement Suspected of causing cancer (Inhalation).
Packaging	Poly Bottle
Solubility Information	Soluble in water
Health Hazard 1	Warning
Recommended Storage	Room Temperature
Specific Gravity	1g/mL
CAS Max %	0.005
Suitability	Passes Test

1,957

Bromophenol Blue, 1 g/L in 20% Ethanol, Reagents

Bromophenol Blue, 1 g/L in 20% Ethanol, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability

1,958

Bromophenol Blue, 0.1% w/v in denatured Ethanol, Reagents

Bromophenol Blue, 0.1% w/v in denatured Ethanol, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

Boiling Point	72°C
Percent Purity	0.1%
CAS	67-63-0
Color	Orange/Red
Physical Form	Liquid
Packaging	Poly Bottle
Chemical Name or Material	Bromophenol Blue, 0.1% w/v in denatured Ethanol
Grade	Reagent
Synonym	3',3'',5',5''-Tetrabromosulfonphthalein, Tetrabromophenol blue, Bromphenol blue
Specific Gravity	0.8

1,959

Methyl Red, ACS Reagent (Free Acid) (Acid Red 2 Not water soluble), Reagents

CAS: 493-52-7 Molecular Formula: C15H15N3O2 Molecular Weight (g/mol): 269.30 InChI Key: CEQFOVLGLXCDCX-UHFFFAOYSA-N Synonym: Acid Red 2, 2-[[4-(Dimethylamino)phenyl]diazenyl]benzoic Acid IUPAC Name: 2-{2-[4-(dimethylamino)phenyl]diazen-1-yl}benzoic acid SMILES: CN(C)C1=CC=C(C=C1)N=NC1=CC=CC=C1C(O)=O

Pricing & Availability
Specifications

CAS	493-52-7
Molecular Weight (g/mol)	269.30
SMILES	CN(C)C1=CC=C(C=C1)N=NC1=CC=CC=C1C(O)=O
Synonym	Acid Red 2, 2-[[4-(Dimethylamino)phenyl]diazenyl]benzoic Acid
IUPAC Name	2-{2-[4-(dimethylamino)phenyl]diazen-1-yl}benzoic acid
InChI Key	CEQFOVLGLXCDCX-UHFFFAOYSA-N
Molecular Formula	C15H15N3O2

1,960

1% Phenolphthalein in 50% Isopropanol Indicator 5, Reagents

1% Phenolphthalein in 50% Isopropanol Indicator 5, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

Boiling Point	82°C
Percent Purity	1%
CAS	67-63-0
Color	Colorless
Physical Form	Liquid
pH	<8
Packaging	Poly Bottle
Chemical Name or Material	1% Phenolphthalein in 50% Isopropanol Indicator 5
Grade	Reagent
Synonym	3,3-Bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one
Molecular Formula	C20H14O4/C3H7OH/H2O
Specific Gravity	0.9

1,961

Calred Solution, 0.03% w/v, Reagents

Calred Solution, 0.03% w/v, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability

1,962

Crystal Violet, ACS Reagent (Hexamethylpararosaniline Chloride), Reagents

CAS: 548-62-9 Molecular Formula: C25H30ClN3 Molecular Weight (g/mol): 407.99 InChI Key: ZXJXZNDDNMQXFV-UHFFFAOYSA-M Synonym: Gentian Violet, Basic Violet 3 IUPAC Name: tris[4-(dimethylamino)phenyl]methylium chloride SMILES: [Cl-].CN(C)C1=CC=C(C=C1)[C+](C1=CC=C(C=C1)N(C)C)C1=CC=C(C=C1)N(C)C

Pricing & Availability
Specifications

CAS	548-62-9
Molecular Weight (g/mol)	407.99
SMILES	[Cl-].CN(C)C1=CC=C(C=C1)[C+](C1=CC=C(C=C1)N(C)C)C1=CC=C(C=C1)N(C)C
Synonym	Gentian Violet, Basic Violet 3
IUPAC Name	tris[4-(dimethylamino)phenyl]methylium chloride
InChI Key	ZXJXZNDDNMQXFV-UHFFFAOYSA-M
Molecular Formula	C25H30ClN3

1,963

Ethyl Violet, 0.1% in 50% Methanol, Reagents

CAS: 7732-18-5 Molecular Formula: H2O Molecular Weight (g/mol): 18.02 InChI Key: XLYOFNOQVPJJNP-UHFFFAOYSA-N Synonym: Basic Violet 4, Ethyl purple 6B IUPAC Name: water SMILES: O

Pricing & Availability
Specifications

CAS	7732-18-5
Molecular Weight (g/mol)	18.02
SMILES	O
Synonym	Basic Violet 4, Ethyl purple 6B
IUPAC Name	water
InChI Key	XLYOFNOQVPJJNP-UHFFFAOYSA-N
Molecular Formula	H2O

1,964

Modified Methyl Orange Indicator, 0.01% Methyl Orange-Xylene Cyanole, Reagents

Modified Methyl Orange Indicator, 0.01% Methyl Orange-Xylene Cyanole, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

Boiling Point	100°C
Percent Purity	0.01%
CAS	2650-17-1
Color	Blue to Green
Physical Form	Liquid
Packaging	Poly Bottle
Chemical Name or Material	Methyl Orange-Xylene Cyanole
Grade	Reagent
Synonym	Methyl Orange-Xylene Cyanole
Specific Gravity	1

1,965

Methyl Red Indicator, 0.1% w/v in Ethanol, Reagents

Methyl Red Indicator, 0.1% w/v in Ethanol, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

Boiling Point	77°C
Percent Purity	0.10%
CAS	7732-18-5
Color	Red
Physical Form	Liquid
Chemical Name or Material	Methyl Red Indicator, 0.1% w/v in Ethanol
Grade	Reagent
Synonym	Acid Red 2, 2-[[4-(Dimethylamino)phenyl]diazenyl]benzoic Acid
Specific Gravity	0.8

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