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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331 – 345 of 7,223 results

331

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Thermo Scientific Chemicals Toluidine Blue O, Certified, 65% min dye content

CAS: 92-31-9 Molecular Formula: C15H16ClN3S Molecular Weight (g/mol): 305.82 MDL Number: MFCD00011934 InChI Key: HNONEKILPDHFOL-UHFFFAOYSA-M Synonym: Basic Blue 17,C.I. 52040 PubChem CID: 7083 IUPAC Name: (7-amino-8-methylphenothiazin-3-ylidene)-dimethylazanium;chloride SMILES: [Cl-].CN(C)C1=CC=C2N=C3C=C(C)C(N)=CC3=[S+]C2=C1

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Specifications

PubChem CID	7083
CAS	92-31-9
Molecular Weight (g/mol)	305.82
MDL Number	MFCD00011934
SMILES	[Cl-].CN(C)C1=CC=C2N=C3C=C(C)C(N)=CC3=[S+]C2=C1
Synonym	Basic Blue 17,C.I. 52040
IUPAC Name	(7-amino-8-methylphenothiazin-3-ylidene)-dimethylazanium;chloride
InChI Key	HNONEKILPDHFOL-UHFFFAOYSA-M
Molecular Formula	C15H16ClN3S

332

Dichlorofluorescein, 0.1% Alcoholic, Certified, LabChem™

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Specifications

Linear Formula	C₂₀H₁₀Cl₂O₅
Color	Yellow
Physical Form	Liquid
Chemical Name or Material	Dichlorofluorescein
Grade	Certified
Identification	Passes Test
Name Note	0.1% Alcoholic
CAS	76-54-0
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. Wear protective gloves, eye protection. Wash exposed skin thoroughly after handling. Do not eat, drink or smoke when using this product. Use only outdoors or in a well-ventilated area. 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. If skin irritation occurs: Get medical advice/attention. Wash contaminated clothing before reuse. If inhaled: Remove person to fresh air and keep comfortable for breathing. Call a poison center/doctor if you feel unwell. 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. 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	Hydrogen fluoride; Carbon monoxide; Carbon dioxide; Hydrogen chloride
Health Hazard 2	GHS H Statement Flammable liquid and vapor. Harmful if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Suspected of damaging fertility or the unborn child. Causes damage to organs (central nervous system, optic nerve) (oral).
Packaging	Poly Bottle
Solubility Information	Soluble in water
Health Hazard 1	Danger
Recommended Storage	Room Temperature
Formula Weight	401.2
CAS Max %	0.1
Suitability	Passes Test

333

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Thermo Scientific Chemicals Auramine O, pure, biological stain

CAS: 2465-27-2 Molecular Formula: C17H22ClN3 Molecular Weight (g/mol): 303.834 MDL Number: MFCD00012484 InChI Key: KSCQDDRPFHTIRL-UHFFFAOYSA-N Synonym: Basic Yellow 2,4, 4'-(Imidocarbonyl)bis(N, N-dimethylaniline) monohydrochloride,C.I. 41000 PubChem CID: 17170 ChEBI: CHEBI:51876 IUPAC Name: 4-[4-(dimethylamino)benzenecarboximidoyl]-N,N-dimethylaniline;hydrochloride SMILES: CN(C)C1=CC=C(C=C1)C(=N)C2=CC=C(C=C2)N(C)C.Cl

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Specifications

PubChem CID	17170
CAS	2465-27-2
Molecular Weight (g/mol)	303.834
ChEBI	CHEBI:51876
MDL Number	MFCD00012484
SMILES	CN(C)C1=CC=C(C=C1)C(=N)C2=CC=C(C=C2)N(C)C.Cl
Synonym	Basic Yellow 2,4, 4'-(Imidocarbonyl)bis(N, N-dimethylaniline) monohydrochloride,C.I. 41000
IUPAC Name	4-[4-(dimethylamino)benzenecarboximidoyl]-N,N-dimethylaniline;hydrochloride
InChI Key	KSCQDDRPFHTIRL-UHFFFAOYSA-N
Molecular Formula	C17H22ClN3

334

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Thermo Scientific Chemicals Prussian Blue, pure

CAS: 14038-43-8 Molecular Formula: C18Fe7N18 Molecular Weight (g/mol): 859.239 MDL Number: MFCD00135663 InChI Key: DCYOBGZUOMKFPA-UHFFFAOYSA-N Synonym: C.I. 77510,Ferric ferrocyanide,Pigment Blue 27 PubChem CID: 2724251 IUPAC Name: iron(2+);iron(3+);octadecacyanide SMILES: [C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[Fe+2].[Fe+2].[Fe+2].[Fe+3].[Fe+3].[Fe+3].[Fe+3]

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Specifications

PubChem CID	2724251
CAS	14038-43-8
Molecular Weight (g/mol)	859.239
MDL Number	MFCD00135663
SMILES	[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[Fe+2].[Fe+2].[Fe+2].[Fe+3].[Fe+3].[Fe+3].[Fe+3]
Synonym	C.I. 77510,Ferric ferrocyanide,Pigment Blue 27
IUPAC Name	iron(2+);iron(3+);octadecacyanide
InChI Key	DCYOBGZUOMKFPA-UHFFFAOYSA-N
Molecular Formula	C18Fe7N18

335

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Thermo Scientific Chemicals Naphthol Green B

CAS: 19381-50-1 Molecular Formula: C30H18FeN3Na3O15S3 Molecular Weight (g/mol): 881.474 MDL Number: MFCD00003886 InChI Key: VLBLPLXOYXEXJK-UHFFFAOYSA-K Synonym: Acid Green 1; C.I. 10020 PubChem CID: 14598749 IUPAC Name: trisodium;6-hydroxy-5-nitrosonaphthalene-2-sulfonate;iron SMILES: C1=CC2=C(C=CC(=C2N=O)O)C=C1S(=O)(=O)[O-].C1=CC2=C(C=CC(=C2N=O)O)C=C1S(=O)(=O)[O-].C1=CC2=C(C=CC(=C2N=O)O)C=C1S(=O)(=O)[O-].[Na+].[Na+].[Na+].[Fe]

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Specifications

PubChem CID	14598749
CAS	19381-50-1
Molecular Weight (g/mol)	881.474
MDL Number	MFCD00003886
SMILES	C1=CC2=C(C=CC(=C2N=O)O)C=C1S(=O)(=O)[O-].C1=CC2=C(C=CC(=C2N=O)O)C=C1S(=O)(=O)[O-].C1=CC2=C(C=CC(=C2N=O)O)C=C1S(=O)(=O)[O-].[Na+].[Na+].[Na+].[Fe]
Synonym	Acid Green 1; C.I. 10020
IUPAC Name	trisodium;6-hydroxy-5-nitrosonaphthalene-2-sulfonate;iron
InChI Key	VLBLPLXOYXEXJK-UHFFFAOYSA-K
Molecular Formula	C30H18FeN3Na3O15S3

336

Crystal Violet, ACS, 90+%

CAS: 548-62-9 Molecular Formula: C25H30ClN3 Molecular Weight (g/mol): 407.986 MDL Number: MFCD00011750 InChI Key: ZXJXZNDDNMQXFV-UHFFFAOYSA-M Synonym: Basic Violet 3; C.I. 42555 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
MDL Number	MFCD00011750
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-]
Synonym	Basic Violet 3; C.I. 42555
IUPAC Name	[4-[bis[4-(dimethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium;chloride
InChI Key	ZXJXZNDDNMQXFV-UHFFFAOYSA-M
Molecular Formula	C25H30ClN3

337

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Thermo Scientific Chemicals 2',7'-Dichlorofluorescein, pure

CAS: 76-54-0 Molecular Formula: C20H10Cl2O5 Molecular Weight (g/mol): 401.195 MDL Number: MFCD00005047 InChI Key: VFNKZQNIXUFLBC-UHFFFAOYSA-N Synonym: 2',7'-Dichloro-3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one 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

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Specifications

PubChem CID	64944
CAS	76-54-0
Molecular Weight (g/mol)	401.195
ChEBI	CHEBI:51596
MDL Number	MFCD00005047
SMILES	C1=CC=C2C(=C1)C(=O)OC23C4=CC(=C(C=C4OC5=CC(=C(C=C35)Cl)O)O)Cl
Synonym	2',7'-Dichloro-3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one
IUPAC Name	2',7'-dichloro-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one
InChI Key	VFNKZQNIXUFLBC-UHFFFAOYSA-N
Molecular Formula	C20H10Cl2O5

338

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Thermo Scientific Chemicals Bromocresol Green sodium salt, ACS

CAS: 62625-32-5 Molecular Formula: C₂₁H₁₃Br₄NaO₅S MDL Number: MFCD00148898 Synonym: Bromocresol Green, water soluble

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Specifications

CAS	62625-32-5
MDL Number	MFCD00148898
Synonym	Bromocresol Green, water soluble
Molecular Formula	C₂₁H₁₃Br₄NaO₅S

339

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Thermo Scientific Chemicals Bromophenol Blue sodium salt

CAS: 34725-61-6 Molecular Formula: C₁₉H₉Br₄NaO₅S Molecular Weight (g/mol): 691.96 MDL Number: MFCD00013793 Synonym: Bromphenol Blue, water soluble

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Specifications

CAS	34725-61-6
Molecular Weight (g/mol)	691.96
MDL Number	MFCD00013793
Synonym	Bromphenol Blue, water soluble
Molecular Formula	C₁₉H₉Br₄NaO₅S

340

Ethyl Violet

CAS: 2390-59-2 Molecular Formula: C31H42ClN3 Molecular Weight (g/mol): 492.15 MDL Number: MFCD00011765 InChI Key: JVICFMRAVNKDOE-UHFFFAOYSA-M Synonym: C.I. 42600; Basic Violet 4 PubChem CID: 16955 IUPAC Name: [4-[bis[4-(diethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-diethylazanium;chloride SMILES: [Cl-].CCN(CC)C1=CC=C(C=C1)[C+](C1=CC=C(C=C1)N(CC)CC)C1=CC=C(C=C1)N(CC)CC

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Specifications

PubChem CID	16955
CAS	2390-59-2
Molecular Weight (g/mol)	492.15
MDL Number	MFCD00011765
SMILES	[Cl-].CCN(CC)C1=CC=C(C=C1)[C+](C1=CC=C(C=C1)N(CC)CC)C1=CC=C(C=C1)N(CC)CC
Synonym	C.I. 42600; Basic Violet 4
IUPAC Name	[4-[bis[4-(diethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-diethylazanium;chloride
InChI Key	JVICFMRAVNKDOE-UHFFFAOYSA-M
Molecular Formula	C31H42ClN3

341

Epredia™ Richard-Allan Scientific™ Elastic Stain, Van Gieson Stain Solution

Demonstrate the atrophy, thinning and loss of elastic tissue with Epredia™ Richard-Allan Scientific™ Elastic Stain.

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342

Hydroxy naphthol blue disodium salt, For ACS analysis, MP Biomedicals™

CAS: 165660-27-5 Molecular Formula: C20H14N2Na2O11S3 Molecular Weight (g/mol): 600.495 InChI Key: LXJHFXHZWYBBKJ-LUUCHEBKSA-N Synonym: `-(2-naphtholazo-3, 6-disulfonic acid)-2-naphthol-4-sulfonic acid trisodium salt,calcium indicator on sodium chloride PubChem CID: 131849366 IUPAC Name: 3-hydroxy-4-[(2Z)-2-(2-oxo-4-sulfonaphthalen-1-ylidene)hydrazinyl]naphthalene-2,7-disulfonic acid;sodium SMILES: C1=CC=C2C(=C1)C(=CC(=O)C2=NNC3=C4C=CC(=CC4=CC(=C3O)S(=O)(=O)O)S(=O)(=O)O)S(=O)(=O)O.[Na].[Na]

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Specifications

PubChem CID	131849366
CAS	165660-27-5
Molecular Weight (g/mol)	600.495
SMILES	C1=CC=C2C(=C1)C(=CC(=O)C2=NNC3=C4C=CC(=CC4=CC(=C3O)S(=O)(=O)O)S(=O)(=O)O)S(=O)(=O)O.[Na].[Na]
Synonym	`-(2-naphtholazo-3, 6-disulfonic acid)-2-naphthol-4-sulfonic acid trisodium salt,calcium indicator on sodium chloride
IUPAC Name	3-hydroxy-4-[(2Z)-2-(2-oxo-4-sulfonaphthalen-1-ylidene)hydrazinyl]naphthalene-2,7-disulfonic acid;sodium
InChI Key	LXJHFXHZWYBBKJ-LUUCHEBKSA-N
Molecular Formula	C20H14N2Na2O11S3

343

Fisher Science Education™ Bromothymol Blue Solution, 0.04%

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Specifications

CAS	7732-18-5
pH Color Changes	pH 6.0-7.6 (yellow-blue)
Color	Green
Physical Form	Liquid
Chemical Name or Material	Bromothymol Blue Solution, 0.04%
Shelf Life	18 months
ChemAlert Storage Symbol	Gray
Density	1g/mL
Formula Weight	646.37
Assay Percent Range	0.04% w/v

344

Phenolphthalein, 1% in 95% Ethanol, pH 8.3 to 10.0 Colorless to Pink, Certified, LabChem™

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Specifications

Linear Formula	C₂₀H₁₄O₄
Color	Colorless to Pink
Physical Form	Liquid
Chemical Name or Material	Phenolphthalein
Grade	Certified
Identification	Passes Test
Density	0.95g/mL
CAS	77-09-8
Packaging	Poly Bottle
Solubility Information	Soluble in water
Health Hazard 1	Danger
Recommended Storage	Room Temperature
Formula Weight	318.32
Specific Gravity	0.95g/mL
CAS Max %	1

345

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Thermo Scientific Chemicals Rhodamine 6G

CAS: 989-38-8 Molecular Formula: C28H31ClN2O3 Molecular Weight (g/mol): 479.017 MDL Number: MFCD00012665 InChI Key: VYXSBFYARXAAKO-UHFFFAOYSA-N Synonym: Basic Red 1; C.I. 45160 PubChem CID: 51358423 IUPAC Name: ethyl 2-[3-(ethylamino)-6-ethylimino-2,7-dimethylxanthen-9-yl]benzoate;hydron;chloride SMILES: [H+].CCNC1=C(C=C2C(=C1)OC3=CC(=NCC)C(=CC3=C2C4=CC=CC=C4C(=O)OCC)C)C.[Cl-]

Pricing & Availability
Specifications

PubChem CID	51358423
CAS	989-38-8
Molecular Weight (g/mol)	479.017
MDL Number	MFCD00012665
SMILES	[H+].CCNC1=C(C=C2C(=C1)OC3=CC(=NCC)C(=CC3=C2C4=CC=CC=C4C(=O)OCC)C)C.[Cl-]
Synonym	Basic Red 1; C.I. 45160
IUPAC Name	ethyl 2-[3-(ethylamino)-6-ethylimino-2,7-dimethylxanthen-9-yl]benzoate;hydron;chloride
InChI Key	VYXSBFYARXAAKO-UHFFFAOYSA-N
Molecular Formula	C28H31ClN2O3

Stains and Dyes

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Epredia™ Richard-Allan Scientific™ Elastic Stain, Van Gieson Stain Solution GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

Fisher Science Education™ Bromothymol Blue Solution, 0.04% Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More Science EducationA science education product.

Epredia™ Richard-Allan Scientific™ Elastic Stain, Van Gieson Stain Solution

Fisher Science Education™ Bromothymol Blue Solution, 0.04%