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 7,096 results

1,951

Starch Indicator, Preserved with Salicylic Acid (Mercury Free), Certified, 0.2%, LabChem™

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1,952

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

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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

1,953

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

CAS: 76-16-9

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Specifications

CAS	76-16-9

1,954

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

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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

1,955

Xylenol Orange, 0.2% Alcoholic, Certified, LabChem™

Pricing & Availability
Specifications

Linear Formula	C₃₁H₂₈N₂Na₄O₁₃S
Color	Purple
Physical Form	Liquid
Chemical Name or Material	Xylenol Orange
Grade	Certified
Identification	Passes Test
Density	0.8g/mL
Name Note	0.2% Alcoholic
CAS	3618-43-7
Health Hazard 3	GHS P Statement Obtain special instructions before use. Do not handle until all safety precautions have been read and understood. Keep away from heat, hot surfaces, open flames, sparks. No smoking. Keep container tightly closed. Ground/bond container and receiving equipment. Use explosion-proof electrical, lighting, ventilating equipment. Use only non-sparking tools. Take precautionary measures against static discharge. Do not breathe mist, spray, vapors. Do not eat, drink or smoke when using this product. Wear eye protection, face protection, protective clothing, protective gloves. Wash exposed skin thoroughly after handling. If exposed or concerned: Get medical advice/attention. If on skin (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. In case of fire: Use carbon dioxide, powder, alcohol-resistant foam to extinguish. Store locked up in a cool, well-ventilated place. Dispose of contents/container to comply with local, state and federal regulations.
Decomposition Information	Carbon monoxide; Carbon dioxide
Health Hazard 2	GHS H Statement Highly flammable liquid and vapor. Suspected of damaging of the unborn child. Causes damage to organs (central nervous system, optic nerve, liver, kidneys).
Packaging	Poly Bottle
Solubility Information	Soluble in water
Health Hazard 1	Danger
Recommended Storage	Room Temperature
Formula Weight	760.59
Specific Gravity	0.8g/mL
CAS Max %	0.2
Suitability	Passes Test

1,956

Methyl Red, 0.02% Aqueous, pH 4.2 to 6.3 Pink to Yellow, Certified, LabChem™

CAS: 845-10-3 Molecular Formula: C15H14N3NaO2 Molecular Weight (g/mol): 291.286 InChI Key: GNTPCYMJCJNRQB-UHFFFAOYSA-M PubChem CID: 4465632 IUPAC Name: sodium;2-[[4-(dimethylamino)phenyl]diazenyl]benzoate SMILES: CN(C)C1=CC=C(C=C1)N=NC2=CC=CC=C2C(=O)[O-].[Na+]

Pricing & Availability
Specifications

PubChem CID	4465632
CAS	845-10-3
Molecular Weight (g/mol)	291.286
SMILES	CN(C)C1=CC=C(C=C1)N=NC2=CC=CC=C2C(=O)[O-].[Na+]
IUPAC Name	sodium;2-[[4-(dimethylamino)phenyl]diazenyl]benzoate
InChI Key	GNTPCYMJCJNRQB-UHFFFAOYSA-M
Molecular Formula	C15H14N3NaO2

1,957

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

1,958

Bromocresol Purple Sodium Salt, Reagent Grade, LabChem™

CAS: 62625-30-3 Molecular Formula: C21H15Br2NaO5S Molecular Weight (g/mol): 562.204 InChI Key: KVSJYIXUWNOWBD-UGAWPWHASA-M PubChem CID: 23665568 IUPAC Name: sodium;2-[(E)-(3-bromo-4-hydroxy-5-methylphenyl)-(3-bromo-5-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]benzenesulfonate SMILES: CC1=CC(=C(C2=CC=CC=C2S(=O)(=O)[O-])C3=CC(=C(C(=C3)Br)O)C)C=C(C1=O)Br.[Na+]

Pricing & Availability
Specifications

PubChem CID	23665568
CAS	62625-30-3
Molecular Weight (g/mol)	562.204
SMILES	CC1=CC(=C(C2=CC=CC=C2S(=O)(=O)[O-])C3=CC(=C(C(=C3)Br)O)C)C=C(C1=O)Br.[Na+]
IUPAC Name	sodium;2-[(E)-(3-bromo-4-hydroxy-5-methylphenyl)-(3-bromo-5-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]benzenesulfonate
InChI Key	KVSJYIXUWNOWBD-UGAWPWHASA-M
Molecular Formula	C21H15Br2NaO5S

1,959

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

CAS: 62625-31-4 Molecular Weight (g/mol): 404.40

Pricing & Availability
Specifications

CAS	62625-31-4
Molecular Weight (g/mol)	404.40

1,960

Gentian Violet, 2% Methanolic, Certified, LabChem™

CAS: 548-62-9 Molecular Formula: C25H30ClN3 Molecular Weight (g/mol): 407.986 InChI Key: ZXJXZNDDNMQXFV-UHFFFAOYSA-M PubChem CID: 11057 ChEBI: CHEBI:41688 IUPAC Name: [4-[bis[4-(dimethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium;chloride SMILES: CN(C)C1=CC=C(C=C1)C(=C2C=CC(=[N+](C)C)C=C2)C3=CC=C(C=C3)N(C)C.[Cl-]

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Specifications

PubChem CID	11057
CAS	548-62-9
Molecular Weight (g/mol)	407.986
ChEBI	CHEBI:41688
SMILES	CN(C)C1=CC=C(C=C1)C(=C2C=CC(=[N+](C)C)C=C2)C3=CC=C(C=C3)N(C)C.[Cl-]
IUPAC Name	[4-[bis[4-(dimethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium;chloride
InChI Key	ZXJXZNDDNMQXFV-UHFFFAOYSA-M
Molecular Formula	C25H30ClN3

1,961

Bromothymol Blue Sodium Salt, ACS Grade, LabChem™

CAS: 34722-90-2 Molecular Formula: C27H27Br2NaO5S Molecular Weight (g/mol): 646.37 MDL Number: MFCD00077263,MFCD00077263,MFCD00077263 InChI Key: NMKFVGALBGZKGW-FKWCIMQXSA-M PubChem CID: 102183223 IUPAC Name: sodium 2-{[(1Z)-3-bromo-2-methyl-4-oxo-5-(propan-2-yl)cyclohexa-2,5-dien-1-ylidene][3-bromo-4-hydroxy-2-methyl-5-(propan-2-yl)phenyl]methyl}benzene-1-sulfonate SMILES: [Na+].CC(C)C1=CC(\C(C2=CC=CC=C2S([O-])(=O)=O)=C2/C=C(C(C)C)C(=O)C(Br)=C2C)=C(C)C(Br)=C1O

Pricing & Availability
Specifications

PubChem CID	102183223
CAS	34722-90-2
Molecular Weight (g/mol)	646.37
MDL Number	MFCD00077263,MFCD00077263,MFCD00077263
SMILES	[Na+].CC(C)C1=CC(\C(C2=CC=CC=C2S([O-])(=O)=O)=C2/C=C(C(C)C)C(=O)C(Br)=C2C)=C(C)C(Br)=C1O
IUPAC Name	sodium 2-{[(1Z)-3-bromo-2-methyl-4-oxo-5-(propan-2-yl)cyclohexa-2,5-dien-1-ylidene][3-bromo-4-hydroxy-2-methyl-5-(propan-2-yl)phenyl]methyl}benzene-1-sulfonate
InChI Key	NMKFVGALBGZKGW-FKWCIMQXSA-M
Molecular Formula	C27H27Br2NaO5S

1,962

Cresol Red Sodium Salt, Reagent Grade, LabChem™

CAS: 62625-29-0

Pricing & Availability
Specifications

CAS	62625-29-0

1,963

Methyl Red, 0.02% in Methanol, pH 4.2 to 6.3 Pink to Yellow, Certified, LabChem™

Pricing & Availability
Specifications

Linear Formula	C₁₅H₁₄N₃O₂Na
Molecular Weight (g/mol)	32.04
Identification	Passes Test
InChI Key	OKKJLVBELUTLKV-UHFFFAOYSA-N
Density	0.79g/mL
Name Note	0.02% in Methanol, pH 4.2 to 6.3 Pink to Yellow
Formula Weight	291.28
CAS Max %	0.02
Melting Point	-98°C
Boiling Point	65°C
Color	Orange
Physical Form	Liquid
Chemical Name or Material	Methyl Red
Grade	Certified
SMILES	CO
CAS	845-10-3
Health Hazard 3	GHS P Statement Keep away from heat, sparks, open flames, hot surfaces. No smoking. Keep container tightly closed. Ground/bond container and receiving equipment. Use explosion-proof electrical, ventilating, lighting equipment. Use only non-sparking tools. Take precautionary measures against static discharge. Do not breathe mist, vapors, spray. Use only outdoors or in a well-ventilated area. Do not eat, drink or smoke when using this product. Wear protective gloves, eye protection, face protection, protective clothing. Wash exposed skin thoroughly after handling. If swallowed: Rinse mouth. Immediately call a poison center/doctor. If on skin (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. Call a poison center/doctor. Wash contaminated clothing before reuse. If inhaled: Remove person to fresh air and keep comfortable for breathing. Call a poison center/doctor. In case of fire: Use alcohol resistant foam, carbon dioxide (CO2), extinguishing powder to extinguish. Store locked up in a cool, well-ventilated place. Dispose of contents/container to comply with local, state and federal regulations.
Decomposition Information	Carbon monoxide; Carbon dioxide; May release flammable gases
MDL Number	MFCD00004595
Health Hazard 2	GHS H Statement Highly flammable liquid and vapor. Toxic if swallowed, in contact with skin or if inhaled. Causes damage to organs (central nervous system, kidneys, liver, optic nerve).
Flash Point	9.7°C
Packaging	Poly Bottle
Solubility Information	Soluble in water
Health Hazard 1	Danger
Recommended Storage	Room Temperature
IUPAC Name	methanol
Molecular Formula	CH4O
Specific Gravity	0.79g/mL

1,964

Methylene Blue, 1% in Ethanol, Certified, LabChem™

Pricing & Availability
Specifications

Boiling Point	78°C
Linear Formula	C₁₆H₁₈N₃SCl
Color	Blue
Physical Form	Liquid
Chemical Name or Material	Methylene Blue
Grade	Certified
Identification	Passes Test
Absorbance	Passes Test
Name Note	1% in Ethanol
CAS	61-73-4
Health Hazard 3	GHS P Statement Obtain special instructions before use. Do not handle until all safety precautions have been read and understood. Keep away from heat, sparks, open flames, hot surfaces. No smoking. Keep container tightly closed. Ground/bond container and receiving equipment. Use explosion-proof electrical, ventilating, lighting equipment. Use only non-sparking tools. Take precautionary measures against static discharge. Do not breathe mist, vapors, spray. Do not eat, drink or smoke when using this product. Wear protective gloves, eye protection. Wash exposed skin thoroughly after handling. If exposed or concerned: Get medical advice/attention. If swallowed: Rinse mouth. Call a poison center/doctor if you feel unwell. If on skin (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. In case of fire: Use alcohol resistant foam, carbon dioxide (CO2), extinguishing powder to extinguish. Store locked up in a cool, well-ventilated place. Dispose of contents/container to comply with local, state and federal regulations.
Decomposition Information	Carbon monoxide; Carbon dioxide; May release flammable gases
Health Hazard 2	GHS H Statement Highly flammable liquid and vapor. Harmful if swallowed. Suspected of damaging fertility or the unborn child. Causes damage to organs (central nervous system, optic nerve, liver, kidneys).
Flash Point	13°C
Packaging	Poly Bottle
Solubility Information	Soluble in water
Health Hazard 1	Danger
Recommended Storage	Room Temperature
Formula Weight	319.85
CAS Max %	1
Melting Point	-115°C

1,965

Azer Scientific Histology Tissue Control Slides

Designed for use in monitoring stain performance in the pathology laboratory

Pricing & Availability
Specifications

Includes	10 unstained and 1 stained unifrost slide
Quantity	11 Pack
For Use With (Application)	Designed for use in monitoring stain performance in the pathology laboratory

Stains and Dyes

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