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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1,141 – 1,155 of 7,126 results

1,141

Methylthymol Blue Sodium Salt 95.0+%, TCI America™

CAS: 1945-77-3 Molecular Formula: C37H44N2Na4O13S Molecular Weight (g/mol): 848.779 MDL Number: MFCD00148905 InChI Key: LGVVZVZPOQJZKT-UHFFFAOYSA-N PubChem CID: 131850582 IUPAC Name: 2-[[5-[3-[3-[[bis(carboxymethyl)amino]methyl]-4-hydroxy-2-methyl-5-propan-2-ylphenyl]-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-2-hydroxy-6-methyl-3-propan-2-ylphenyl]methyl-(carboxymethyl)amino]acetic acid;sodium SMILES: CC1=C(C(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C(=C4C)CN(CC(=O)O)CC(=O)O)O)C(C)C)C(C)C)O)CN(CC(=O)O)CC(=O)O.[Na].[Na].[Na].[Na]

Pricing & Availability
Specifications

PubChem CID	131850582
CAS	1945-77-3
Molecular Weight (g/mol)	848.779
MDL Number	MFCD00148905
SMILES	CC1=C(C(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C(=C4C)CN(CC(=O)O)CC(=O)O)O)C(C)C)C(C)C)O)CN(CC(=O)O)CC(=O)O.[Na].[Na].[Na].[Na]
IUPAC Name	2-[[5-[3-[3-[[bis(carboxymethyl)amino]methyl]-4-hydroxy-2-methyl-5-propan-2-ylphenyl]-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-2-hydroxy-6-methyl-3-propan-2-ylphenyl]methyl-(carboxymethyl)amino]acetic acid;sodium
InChI Key	LGVVZVZPOQJZKT-UHFFFAOYSA-N
Molecular Formula	C37H44N2Na4O13S

1,142

Nuclear Fast Red Solution, Ricca Chemical

Pricing & Availability
Specifications

CAS	7784-31-8
Physical Form	Liquid
CAS Min %	0.09
Chemical Name or Material	Nuclear Fast Red Solution
CAS Max %	0.1

1,143

StatLab™ Reserve Hematoxylin

Uniquely formulated hematoxylin stain that can be used in place of Gill or Harris hematoxylins.

Pricing & Availability

1,144

Phenolphthalein Indicator, 1% (w/v) in Methanol, Neutralized, Ricca Chemical

CAS: 77-09-8 Molecular Formula: C20H14O4 Molecular Weight (g/mol): Mixture MDL Number: MFCD00005913 InChI Key: KJFMBFZCATUALV-UHFFFAOYSA-N PubChem CID: 4764 ChEBI: CHEBI:34914 IUPAC Name: 3,3-bis(4-hydroxyphenyl)-1,3-dihydro-2-benzofuran-1-one SMILES: OC1=CC=C(C=C1)C1(OC(=O)C2=CC=CC=C12)C1=CC=C(O)C=C1

Pricing & Availability
Specifications

PubChem CID	4764
CAS	77-09-8
Molecular Weight (g/mol)	Mixture
ChEBI	CHEBI:34914
MDL Number	MFCD00005913
SMILES	OC1=CC=C(C=C1)C1(OC(=O)C2=CC=CC=C12)C1=CC=C(O)C=C1
IUPAC Name	3,3-bis(4-hydroxyphenyl)-1,3-dihydro-2-benzofuran-1-one
InChI Key	KJFMBFZCATUALV-UHFFFAOYSA-N
Molecular Formula	C20H14O4

1,145

Acid Red 18 85.0+%, TCI America™

CAS: 2611-82-7 Molecular Formula: C20H11N2Na3O10S3 Molecular Weight (g/mol): 604.46 MDL Number: MFCD00004084 InChI Key: IVNZBWNBYXERPK-DZGBHZPSSA-K Synonym: New Coccine, Ponceau 4R, Scarlet 3R PubChem CID: 131851859 IUPAC Name: trisodium (8Z)-7-oxo-8-[2-(4-sulfonatonaphthalen-1-yl)hydrazin-1-ylidene]-7,8-dihydronaphthalene-1,3-disulfonate SMILES: [Na+].[Na+].[Na+].[O-]S(=O)(=O)C1=CC2=C(\C(=N\NC3=C4C=CC=CC4=C(C=C3)S([O-])(=O)=O)C(=O)C=C2)C(=C1)S([O-])(=O)=O

Pricing & Availability
Specifications

PubChem CID	131851859
CAS	2611-82-7
Molecular Weight (g/mol)	604.46
MDL Number	MFCD00004084
SMILES	[Na+].[Na+].[Na+].[O-]S(=O)(=O)C1=CC2=C(\C(=N\NC3=C4C=CC=CC4=C(C=C3)S([O-])(=O)=O)C(=O)C=C2)C(=C1)S([O-])(=O)=O
Synonym	New Coccine, Ponceau 4R, Scarlet 3R
IUPAC Name	trisodium (8Z)-7-oxo-8-[2-(4-sulfonatonaphthalen-1-yl)hydrazin-1-ylidene]-7,8-dihydronaphthalene-1,3-disulfonate
InChI Key	IVNZBWNBYXERPK-DZGBHZPSSA-K
Molecular Formula	C20H11N2Na3O10S3

1,146

Fluorescein 5-Isothiocyanate (isomer I) 97.0+%, TCI America™

CAS: 3326-32-7 Molecular Formula: C21H11NO5S Molecular Weight (g/mol): 389.381 InChI Key: MHMNJMPURVTYEJ-UHFFFAOYSA-N Synonym: Fluorescein Isothiocyanate, 5-Isothiocyanatofluorescein, 5-FITC PubChem CID: 18730 ChEBI: CHEBI:37918 IUPAC Name: 3',6'-dihydroxy-6-isothiocyanatospiro[2-benzofuran-3,9'-xanthene]-1-one SMILES: C1=CC2=C(C=C1N=C=S)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O

Pricing & Availability
Specifications

PubChem CID	18730
CAS	3326-32-7
Molecular Weight (g/mol)	389.381
ChEBI	CHEBI:37918
SMILES	C1=CC2=C(C=C1N=C=S)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O
Synonym	Fluorescein Isothiocyanate, 5-Isothiocyanatofluorescein, 5-FITC
IUPAC Name	3',6'-dihydroxy-6-isothiocyanatospiro[2-benzofuran-3,9'-xanthene]-1-one
InChI Key	MHMNJMPURVTYEJ-UHFFFAOYSA-N
Molecular Formula	C21H11NO5S

1,147

Gram's Iodine, dilute Lugol's Iodine, Ricca Chemical

For Gram Staining

Pricing & Availability
Specifications

Product Type	Gram Iodine, Lugol's Iodine
Color	Brown
Packaging	Amber Glass Bottle

1,148

Methyl Purple Indicator, pH 4.8 to 5.4 Purple to Green, Certified, LabChem™

Pricing & Availability
Specifications

Linear Formula	C₁₅H₁₄N₃O₂Na
Color	Black/Green
Physical Form	Liquid
Chemical Name or Material	Methyl Purple Indicator
Grade	Certified
Identification	Passes Test
Name Note	pH 4.8 to 5.4 Purple to Green
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. Wear protective gloves, eye protection. Wash exposed skin thoroughly after handling. If on skin (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice/attention. Store in a cool, well-ventilated place. Dispose of contents/container to comply with local, state and federal regulations.
Decomposition Information	Sulfur compounds; Carbon monoxide; Carbon dioxide; Nitrogen oxides
Health Hazard 2	GHS H Statement Flammable liquid and vapor. Causes serious eye irritation.
Flash Point	33°C
Packaging	Poly Bottle
Solubility Information	Soluble in water
Health Hazard 1	Warning
Recommended Storage	Room Temperature
Formula Weight	291.28
CAS Max %	0.04

1,149

Phenolphthalin 98.0+%, TCI America™

CAS: 81-90-3 Molecular Formula: C20H16O4 Molecular Weight (g/mol): 320.344 MDL Number: MFCD00036135 InChI Key: FFFPYJTVNSSLBQ-UHFFFAOYSA-N PubChem CID: 66494 ChEBI: CHEBI:34915 IUPAC Name: 2-[bis(4-hydroxyphenyl)methyl]benzoic acid SMILES: C1=CC=C(C(=C1)C(C2=CC=C(C=C2)O)C3=CC=C(C=C3)O)C(=O)O

Pricing & Availability
Specifications

PubChem CID	66494
CAS	81-90-3
Molecular Weight (g/mol)	320.344
ChEBI	CHEBI:34915
MDL Number	MFCD00036135
SMILES	C1=CC=C(C(=C1)C(C2=CC=C(C=C2)O)C3=CC=C(C=C3)O)C(=O)O
IUPAC Name	2-[bis(4-hydroxyphenyl)methyl]benzoic acid
InChI Key	FFFPYJTVNSSLBQ-UHFFFAOYSA-N
Molecular Formula	C20H16O4

1,150

Cresol Red-Thymol Blue Indicator, Ricca Chemical

Pricing & Availability
Specifications

CAS	62625-29-0
Color	Brown/Purple
Physical Form	Liquid
Packaging	Natural Poly Bottle
CAS Min %	0.02
Chemical Name or Material	Cresol Red-Thymol Blue
Grade	Indicator
Solvent or Matrix	Aqueous Solution
CAS Max %	0.03

1,151

Mixed Indicator Solution, Methyl Red-Methylene Blue, Ricca Chemical

Pricing & Availability
Specifications

CAS	7220-79-3
Color	Dark Green
Packaging	Natural Poly Bottle
Chemical Name or Material	Mixed Indicator Solution
Grade	Indicator

1,152

Bromocresol Green - Methyl Red, Alcoholic, for Alkalinity, Certified, LabChem™

Pricing & Availability
Specifications

Boiling Point	78°C
Linear Formula	C₂₁H₁₄Br₄O₅S·Na
Color	Green
Physical Form	Liquid
UN Number	UN1170
Chemical Name or Material	Bromocresol Green - Methyl Red
Grade	Certified
Identification	Passes Test
Density	790kg/m³
Name Note	Alcoholic, for Alkalinity
CAS	845-10-3
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. Wear eye protection, face protection, protective clothing, protective gloves. Wash exposed skin thoroughly after handling. Do not eat, drink or smoke when using this product. If exposed or concerned: Get medical 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 (CO2), 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	Fume; Carbon monoxide; Carbon dioxide; May release flammable gases
Health Hazard 2	GHS H Statement Highly flammable liquid and vapor. May cause cancer. Suspected of damaging the unborn child. Causes damage to organs (central nervous system, optic nerve) (oral, dermal).
Flash Point	13°C
Solubility Information	Soluble in water
Health Hazard 1	Danger
Recommended Storage	Room Temperature
EINECS Number	200-578-6
Formula Weight	720.06
Specific Gravity	790kg/m³
CAS Max %	0.04
Melting Point	-115°C

1,153

Methylene Blue Loeffler Formulation, Loeffler's Alkaline Methylene Blue, Ricca Chemical

For staining and differentiation of acid fast organisms in smears

Pricing & Availability
Specifications

CAS	1310-58-3
Color	Blue
Packaging	Natural Poly Bottle
CAS Min %	0.01
Chemical Name or Material	METHYLENE BLUE
Grade	Laboratory
CAS Max %	0.01

1,154

Pigment Red 254, TCI America™

CAS: 84632-65-5 Molecular Formula: C18H10Cl2N2O2 Molecular Weight (g/mol): 357.19 MDL Number: MFCD01941106 InChI Key: JNNHVXMCVRYTTN-UHFFFAOYSA-N Synonym: 3,6-Bis(4-chlorophenyl)-2,5-dihydropyrrolo[3,4-c]pyrrole-1,4-dione PubChem CID: 5490942 IUPAC Name: 3,6-bis(4-chlorophenyl)-1H,2H,4H,5H-pyrrolo[3,4-c]pyrrole-1,4-dione SMILES: ClC1=CC=C(C=C1)C1=C2C(=O)NC(=C2C(=O)N1)C1=CC=C(Cl)C=C1

Pricing & Availability
Specifications

PubChem CID	5490942
CAS	84632-65-5
Molecular Weight (g/mol)	357.19
MDL Number	MFCD01941106
SMILES	ClC1=CC=C(C=C1)C1=C2C(=O)NC(=C2C(=O)N1)C1=CC=C(Cl)C=C1
Synonym	3,6-Bis(4-chlorophenyl)-2,5-dihydropyrrolo[3,4-c]pyrrole-1,4-dione
IUPAC Name	3,6-bis(4-chlorophenyl)-1H,2H,4H,5H-pyrrolo[3,4-c]pyrrole-1,4-dione
InChI Key	JNNHVXMCVRYTTN-UHFFFAOYSA-N
Molecular Formula	C18H10Cl2N2O2

1,155

StatLab™ MasterTech Alcian Blue Stain Kit

Alcian Blue Stain Kit stains acid mucins blue in 40 minutes.

Pricing & Availability
Specifications

Product Type	Stain Kit

Stains and Dyes

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