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.

Search Within Results

286 – 300 of 7,105 results

286

Thermo Scientific Chemicals Nile Blue A

CAS: 3625-57-8 Molecular Formula: C40H40N6O6S Molecular Weight (g/mol): 732.84 MDL Number: MFCD00064529 InChI Key: QIRDPEPUXNCOLD-UHFFFAOYSA-N PubChem CID: 19256 IUPAC Name: [9-(diethylamino)benzo[a]phenoxazin-5-ylidene]azanium;sulfate SMILES: CCN(CC)C1=CC2=C(C=C1)N=C3C4=CC=CC=C4C(=[NH2+])C=C3O2.CCN(CC)C1=CC2=C(C=C1)N=C3C4=CC=CC=C4C(=[NH2+])C=C3O2.[O-]S(=O)(=O)[O-]

Pricing & Availability
Specifications

PubChem CID	19256
CAS	3625-57-8
Molecular Weight (g/mol)	732.84
MDL Number	MFCD00064529
SMILES	CCN(CC)C1=CC2=C(C=C1)N=C3C4=CC=CC=C4C(=[NH2+])C=C3O2.CCN(CC)C1=CC2=C(C=C1)N=C3C4=CC=CC=C4C(=[NH2+])C=C3O2.[O-]S(=O)(=O)[O-]
IUPAC Name	[9-(diethylamino)benzo[a]phenoxazin-5-ylidene]azanium;sulfate
InChI Key	QIRDPEPUXNCOLD-UHFFFAOYSA-N
Molecular Formula	C40H40N6O6S

287

Thermo Scientific™ Acridine Orange

Thermo Scientific™ Remel Acridine Orange is a fluorescent stain for detection of bacteria in body fluids.

Pricing & Availability

288

MP Biomedicals™ Fluorescent Brightener 28

Fluoresces clear bluish under UV radiation. Fluorescent Brightener 28 is a colorless organic compound that is used for the staining of fungi and as a viability stain. Industrial uses include use as a fluorescent brightening agent for cellulose and polyamide fabrics, paper and detergents and soaps.

Pricing & Availability
Specifications

Format	Powder
CAS	4404-43-7
Product Type	Fluorescent Brightener
Color	Yellow
Synonym	Calcofluor White M2R, Tinopal UNPA-GX
Concentration	0.05% to 0.20%
Storage Requirements	Store at Room Temperature (15°C to 30°C)
Molecular Formula	C40H42N12O10S2Na2
For Use With (Application)	Fluorescent Brightener 28 is used for the staining of fungi and as a viability stain. Industrial uses include use as a fluorescent brightening agent for cellulose and polyamide fabrics, paper and in detergents and soaps.
Formula Weight	960.96
Melting Point	290°C

289

Acid Blue 9, TCI America™

CAS: 3844-45-9 Molecular Formula: C37H34N2Na2O9S3 Molecular Weight (g/mol): 792.844 MDL Number: MFCD00012141 InChI Key: SGHZXLIDFTYFHQ-UHFFFAOYSA-L Synonym: Brilliant Blue FCF, Erioglaucin A PubChem CID: 19700 ChEBI: CHEBI:82411 IUPAC Name: disodium;2-[[4-[ethyl-[(3-sulfonatophenyl)methyl]amino]phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]benzenesulfonate SMILES: CCN(CC1=CC(=CC=C1)S(=O)(=O)[O-])C2=CC=C(C=C2)C(=C3C=CC(=[N+](CC)CC4=CC(=CC=C4)S(=O)(=O)[O-])C=C3)C5=CC=CC=C5S(=O)(=O)[O-].[Na+].[Na+]

Pricing & Availability
Specifications

PubChem CID	19700
CAS	3844-45-9
Molecular Weight (g/mol)	792.844
ChEBI	CHEBI:82411
MDL Number	MFCD00012141
SMILES	CCN(CC1=CC(=CC=C1)S(=O)(=O)[O-])C2=CC=C(C=C2)C(=C3C=CC(=[N+](CC)CC4=CC(=CC=C4)S(=O)(=O)[O-])C=C3)C5=CC=CC=C5S(=O)(=O)[O-].[Na+].[Na+]
Synonym	Brilliant Blue FCF, Erioglaucin A
IUPAC Name	disodium;2-[[4-[ethyl-[(3-sulfonatophenyl)methyl]amino]phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]benzenesulfonate
InChI Key	SGHZXLIDFTYFHQ-UHFFFAOYSA-L
Molecular Formula	C37H34N2Na2O9S3

290

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]

Pricing & Availability
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

291

Thermo Scientific Chemicals Crystal Violet, pure, high purity biological stain

CAS: 548-62-9 | C25H30ClN3 | 407.986 g/mol

Pricing & Availability
Specifications

Molecular Weight (g/mol)	407.986
ChEBI	CHEBI:41688
InChI Key	ZXJXZNDDNMQXFV-UHFFFAOYSA-M
PubChem CID	11057
Percent Purity	≥96.0% (TiCl3-titration) (on dried substance)
Infrared Spectrum	Authentic
RTECS Number	BO9000000
Formula Weight	407.99
Melting Point	215.0°C
Color	Green
Loss on Drying	9% max. (110°C)
Physical Form	Powder or Crystals
Chemical Name or Material	Crystal Violet
Grade	Pure
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-]
Merck Index	15, 4430
CAS	90-94-8
Health Hazard 3	GHS P Statement: Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Avoid release to the environment. Obtain special instructions before use. IF exposed or concerned: Get medical advice/attention. Do not eat, drink or smoke when using this product. WARNING: The information provided on this web site was developed in compliance with European Union (EU) regulations and is correct to the best of our knowledge, information and belief at the date of its publication. The information given is designed only as a guide for safe handling and use. It is not to be considered as either a warranty or quality specification.
MDL Number	MFCD00011750
Health Hazard 2	GHS H Statement: Very toxic to aquatic life with long lasting effects. Harmful if swallowed. Causes serious eye damage. May cause cancer.
Packaging	Glass bottle
Solubility Information	Solubility in water: 16g/L (25°C). Other solubilities: soluble in chloroform, 1 g/10 mL alcohol, 1 g/15 mL glycerin, practically insoluble in ether
Health Hazard 1	Danger
Synonym	Basic Violet 3,C.I. 42555,Gentian Violet
TSCA	TSCA
IUPAC Name	[4-[bis[4-(dimethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium;chloride
Beilstein	13, 756
Molecular Formula	C25H30ClN3
EINECS Number	208-953-6

292

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-]

Pricing & Availability
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

293

Thermo Scientific Chemicals Erythrosin B, pure, high purity, biological stain

CAS: 16423-68-0 Molecular Formula: C20H6I4Na2O5 Molecular Weight (g/mol): 879.86 MDL Number: MFCD00144257 InChI Key: IINNWAYUJNWZRM-UHFFFAOYSA-L Synonym: Acid Red 51,C.I. 45430 PubChem CID: 12961638 IUPAC Name: disodium 2-(2,4,5,7-tetraiodo-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate SMILES: [Na+].[Na+].[O-]C(=O)C1=C(C=CC=C1)C1=C2C=C(I)C(=O)C(I)=C2OC2=C(I)C([O-])=C(I)C=C12

Pricing & Availability
Specifications

PubChem CID	12961638
CAS	16423-68-0
Molecular Weight (g/mol)	879.86
MDL Number	MFCD00144257
SMILES	[Na+].[Na+].[O-]C(=O)C1=C(C=CC=C1)C1=C2C=C(I)C(=O)C(I)=C2OC2=C(I)C([O-])=C(I)C=C12
Synonym	Acid Red 51,C.I. 45430
IUPAC Name	disodium 2-(2,4,5,7-tetraiodo-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate
InChI Key	IINNWAYUJNWZRM-UHFFFAOYSA-L
Molecular Formula	C20H6I4Na2O5

294

Thermo Scientific Chemicals Bromocresol Green sodium salt, ACS

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

Pricing & Availability
Specifications

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

295

Thermo Scientific Chemicals Bromothymol Blue, ACS reagent

CAS: 76-59-5 Molecular Formula: C27H28Br2O5S Molecular Weight (g/mol): 624.384 MDL Number: MFCD00005872 InChI Key: NUHCTOLBWMJMLX-UHFFFAOYSA-N Synonym: Bromthymol Blue,3';, 3';';-Dibromothymolsulfonephthalein,BTB PubChem CID: 6450 ChEBI: CHEBI:86155 IUPAC Name: 2-bromo-4-[3-(3-bromo-4-hydroxy-2-methyl-5-propan-2-ylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-3-methyl-6-propan-2-ylphenol SMILES: CC1=C(C(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C(=C4C)Br)O)C(C)C)C(C)C)O)Br

Pricing & Availability
Specifications

PubChem CID	6450
CAS	76-59-5
Molecular Weight (g/mol)	624.384
ChEBI	CHEBI:86155
MDL Number	MFCD00005872
SMILES	CC1=C(C(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C(=C4C)Br)O)C(C)C)C(C)C)O)Br
Synonym	Bromthymol Blue,3';, 3';';-Dibromothymolsulfonephthalein,BTB
IUPAC Name	2-bromo-4-[3-(3-bromo-4-hydroxy-2-methyl-5-propan-2-ylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-3-methyl-6-propan-2-ylphenol
InChI Key	NUHCTOLBWMJMLX-UHFFFAOYSA-N
Molecular Formula	C27H28Br2O5S

296

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.

Pricing & Availability

297

Thermo Scientific Chemicals Orange G, 85+%, pure, high purity biological stain

CAS: 1936-15-8 Molecular Formula: C16H10N2Na2O7S2 Molecular Weight (g/mol): 452.36 MDL Number: MFCD00012457 InChI Key: AEOVEGJBKQQFOP-DDVLFWKVSA-L Synonym: Acid Orange 10,7-Hydroxy-8-(phenylazo)-1, 3-naphthalenedisulfonic acid, disodium salt,C.I. 16230 PubChem CID: 131850556 IUPAC Name: (8Z)-7-oxo-8-(phenylhydrazinylidene)naphthalene-1,3-disulfonic acid;sodium SMILES: [Na+].[Na+].[O-]S(=O)(=O)C1=CC2=C(\C(=N\NC3=CC=CC=C3)C(=O)C=C2)C(=C1)S([O-])(=O)=O

Pricing & Availability
Specifications

PubChem CID	131850556
CAS	1936-15-8
Molecular Weight (g/mol)	452.36
MDL Number	MFCD00012457
SMILES	[Na+].[Na+].[O-]S(=O)(=O)C1=CC2=C(\C(=N\NC3=CC=CC=C3)C(=O)C=C2)C(=C1)S([O-])(=O)=O
Synonym	Acid Orange 10,7-Hydroxy-8-(phenylazo)-1, 3-naphthalenedisulfonic acid, disodium salt,C.I. 16230
IUPAC Name	(8Z)-7-oxo-8-(phenylhydrazinylidene)naphthalene-1,3-disulfonic acid;sodium
InChI Key	AEOVEGJBKQQFOP-DDVLFWKVSA-L
Molecular Formula	C16H10N2Na2O7S2

298

Thermo Scientific Chemicals Rhodamine 6G, 99%, pure

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

299

Thermo Scientific Chemicals Rhodamine B, 99+%, pure, laser grade

CAS: 81-88-9 Molecular Formula: C28H31ClN2O3 Molecular Weight (g/mol): 479.02 MDL Number: MFCD00011931 InChI Key: PYWVYCXTNDRMGF-UHFFFAOYSA-N Synonym: Basic Violet 10,C.I. 45170 PubChem CID: 6694 ChEBI: CHEBI:52334 IUPAC Name: [9-(2-carboxyphenyl)-6-(diethylamino)xanthen-3-ylidene]-diethylazanium;chloride SMILES: [Cl-].CCN(CC)C1=CC2=[O+]C3=CC(=CC=C3C(C3=CC=CC=C3C(O)=O)=C2C=C1)N(CC)CC

Pricing & Availability
Specifications

PubChem CID	6694
CAS	81-88-9
Molecular Weight (g/mol)	479.02
ChEBI	CHEBI:52334
MDL Number	MFCD00011931
SMILES	[Cl-].CCN(CC)C1=CC2=[O+]C3=CC(=CC=C3C(C3=CC=CC=C3C(O)=O)=C2C=C1)N(CC)CC
Synonym	Basic Violet 10,C.I. 45170
IUPAC Name	[9-(2-carboxyphenyl)-6-(diethylamino)xanthen-3-ylidene]-diethylazanium;chloride
InChI Key	PYWVYCXTNDRMGF-UHFFFAOYSA-N
Molecular Formula	C28H31ClN2O3

300

Thermo Scientific Chemicals Bromocresol Green, sodium salt, ACS reagent

CAS: 67763-24-0 Molecular Formula: C21H13Br4NaO5S Molecular Weight (g/mol): 720.00 MDL Number: MFCD00148898 InChI Key: HEFSGAHJDGZCHA-UHFFFAOYNA-M Synonym: 3',3'',5',5''-Tetrabromo-m-cresolsulfonephthalein sodium salt PubChem CID: 23675901 IUPAC Name: sodium;2,6-dibromo-4-[3-(3,5-dibromo-4-hydroxy-2-methylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-3-methylphenolate SMILES: [Na+].CC1=C(Br)C(O)=C(Br)C=C1C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC(Br)=C([O-])C(Br)=C1C

Pricing & Availability
Specifications

PubChem CID	23675901
CAS	67763-24-0
Molecular Weight (g/mol)	720.00
MDL Number	MFCD00148898
SMILES	[Na+].CC1=C(Br)C(O)=C(Br)C=C1C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC(Br)=C([O-])C(Br)=C1C
Synonym	3',3'',5',5''-Tetrabromo-m-cresolsulfonephthalein sodium salt
IUPAC Name	sodium;2,6-dibromo-4-[3-(3,5-dibromo-4-hydroxy-2-methylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-3-methylphenolate
InChI Key	HEFSGAHJDGZCHA-UHFFFAOYNA-M
Molecular Formula	C21H13Br4NaO5S

Stains and Dyes

Filtered Search Results

Narrow Results

Thermo Scientific™ Acridine Orange GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

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

Thermo Scientific™ Acridine Orange

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