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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406 – 420 of 6,893 results

406

StatLab™ MasterTech Trichrome Masson's Stain Kit

Masson's Stain Kit stains for collagen and muscle in as little 20 minutes.

Pricing & Availability
Specifications

Product Type	Stain Kit

407

Thermo Scientific Chemicals Phenol Red sodium salt, ACS reagent

CAS: 34487-61-1 Molecular Formula: C19H13NaO5S Molecular Weight (g/mol): 376.358 MDL Number: MFCD00066901 InChI Key: HKHYOKBQJILTEI-UHFFFAOYSA-M PubChem CID: 23686673 IUPAC Name: sodium;4-[3-(4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenolate SMILES: C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC=C(C=C3)O)C4=CC=C(C=C4)[O-].[Na+]

Pricing & Availability
Specifications

PubChem CID	23686673
CAS	34487-61-1
Molecular Weight (g/mol)	376.358
MDL Number	MFCD00066901
SMILES	C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC=C(C=C3)O)C4=CC=C(C=C4)[O-].[Na+]
IUPAC Name	sodium;4-[3-(4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenolate
InChI Key	HKHYOKBQJILTEI-UHFFFAOYSA-M
Molecular Formula	C19H13NaO5S

408

Thermo Scientific Chemicals Rose Bengal, 85%, pure, certified

CAS: 632-69-9 Molecular Formula: C20H4Cl4I4Na2O5 Molecular Weight (g/mol): 1019.644 MDL Number: MFCD00005043 InChI Key: DPBQSRZQYAYDGY-UHFFFAOYSA-N Synonym: Acid Red 94,C.I. 45440 PubChem CID: 87244310 IUPAC Name: sodium;4,5,6,7-tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetraiodospiro[2-benzofuran-3,9'-xanthene]-1-one SMILES: C1=C2C(=C(C(=C1I)O)I)OC3=C(C(=C(C=C3C24C5=C(C(=C(C(=C5Cl)Cl)Cl)Cl)C(=O)O4)I)O)I.[Na].[Na]

Pricing & Availability
Specifications

PubChem CID	87244310
CAS	632-69-9
Molecular Weight (g/mol)	1019.644
MDL Number	MFCD00005043
SMILES	C1=C2C(=C(C(=C1I)O)I)OC3=C(C(=C(C=C3C24C5=C(C(=C(C(=C5Cl)Cl)Cl)Cl)C(=O)O4)I)O)I.[Na].[Na]
Synonym	Acid Red 94,C.I. 45440
IUPAC Name	sodium;4,5,6,7-tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetraiodospiro[2-benzofuran-3,9'-xanthene]-1-one
InChI Key	DPBQSRZQYAYDGY-UHFFFAOYSA-N
Molecular Formula	C20H4Cl4I4Na2O5

409

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

410

Fast blue B salt, MP Biomedicals™

Pricing & Availability

411

Thermo Scientific Chemicals Amido Black 10B, 0.2% v/v soln. in 5% acetic acid

CAS: 1064-48-8 Molecular Formula: C22H14N6Na2O9S2 Molecular Weight (g/mol): 616.487 MDL Number: MFCD00004017 InChI Key: HKBVRFLHNUEVRO-UHFFFAOYSA-L Synonym: Acid black 1; C.I. 20470 PubChem CID: 44134531 IUPAC Name: disodium;4-amino-3-[(4-nitrophenyl)diazenyl]-5-oxo-6-(phenylhydrazinylidene)naphthalene-2,7-disulfonate SMILES: C1=CC=C(C=C1)NN=C2C(=CC3=CC(=C(C(=C3C2=O)N)N=NC4=CC=C(C=C4)[N+](=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]

Pricing & Availability
Specifications

PubChem CID	44134531
CAS	1064-48-8
Molecular Weight (g/mol)	616.487
MDL Number	MFCD00004017
SMILES	C1=CC=C(C=C1)NN=C2C(=CC3=CC(=C(C(=C3C2=O)N)N=NC4=CC=C(C=C4)[N+](=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]
Synonym	Acid black 1; C.I. 20470
IUPAC Name	disodium;4-amino-3-[(4-nitrophenyl)diazenyl]-5-oxo-6-(phenylhydrazinylidene)naphthalene-2,7-disulfonate
InChI Key	HKBVRFLHNUEVRO-UHFFFAOYSA-L
Molecular Formula	C22H14N6Na2O9S2

412

Thermo Scientific Chemicals Light Green SF, Yellowish, pure, high purity biological stain

CAS: 5141-20-8 Molecular Formula: C37H34N2Na2O9S3 Molecular Weight (g/mol): 792.844 MDL Number: MFCD00012121 InChI Key: DGOBMKYRQHEFGQ-UHFFFAOYSA-L Synonym: Acid Green 5,C.I. 42095 PubChem CID: 21223 ChEBI: CHEBI:87065 IUPAC Name: disodium;3-[[N-ethyl-4-[[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]-(4-sulfonatophenyl)methyl]anilino]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=C(C=C5)S(=O)(=O)[O-].[Na+].[Na+]

Pricing & Availability
Specifications

PubChem CID	21223
CAS	5141-20-8
Molecular Weight (g/mol)	792.844
ChEBI	CHEBI:87065
MDL Number	MFCD00012121
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=C(C=C5)S(=O)(=O)[O-].[Na+].[Na+]
Synonym	Acid Green 5,C.I. 42095
IUPAC Name	disodium;3-[[N-ethyl-4-[[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]-(4-sulfonatophenyl)methyl]anilino]methyl]benzenesulfonate
InChI Key	DGOBMKYRQHEFGQ-UHFFFAOYSA-L
Molecular Formula	C37H34N2Na2O9S3

413

MilliporeSigma™ Gram's safranine Solution

For staining of Gram bacteria

Pricing & Availability

414

Bismarck Brown Y

CAS: 10114-58-6 Molecular Formula: C18H20Cl2N8 Molecular Weight (g/mol): 419.314 MDL Number: MFCD00012977 InChI Key: MCZVRBLCRZWFJH-UHFFFAOYSA-N Synonym: C.I. 21000 PubChem CID: 82360 ChEBI: CHEBI:53615 IUPAC Name: 4-[[3-[(2,4-diaminophenyl)diazenyl]phenyl]diazenyl]benzene-1,3-diamine;dihydrochloride SMILES: C1=CC(=CC(=C1)N=NC2=C(C=C(C=C2)N)N)N=NC3=C(C=C(C=C3)N)N.Cl.Cl

Pricing & Availability
Specifications

PubChem CID	82360
CAS	10114-58-6
Molecular Weight (g/mol)	419.314
ChEBI	CHEBI:53615
MDL Number	MFCD00012977
SMILES	C1=CC(=CC(=C1)N=NC2=C(C=C(C=C2)N)N)N=NC3=C(C=C(C=C3)N)N.Cl.Cl
Synonym	C.I. 21000
IUPAC Name	4-[[3-[(2,4-diaminophenyl)diazenyl]phenyl]diazenyl]benzene-1,3-diamine;dihydrochloride
InChI Key	MCZVRBLCRZWFJH-UHFFFAOYSA-N
Molecular Formula	C18H20Cl2N8

415

BD Biosciences Fixable Viability Stain 620

For discrimination of viable from non-viable mammalian cells in multicolor flow cytometric applications

Pricing & Availability

416

Thermo Scientific Chemicals Brilliant Blue R

CAS: 6104-59-2 Molecular Formula: C45H44N3NaO7S2 Molecular Weight (g/mol): 825.97 MDL Number: MFCD00041762 InChI Key: HAEGGLCXLFWTBE-UHFFFAOYSA-M Synonym: Coomassie Brilliant Blue R 250; C.I. 42660 PubChem CID: 61365 IUPAC Name: sodium;3-[[4-[[4-(4-ethoxyanilino)phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]-N-ethylanilino]methyl]benzenesulfonate SMILES: [Na+].CCOC1=CC=C(NC2=CC=C(C=C2)[C+](C2=CC=C(C=C2)N(CC)CC2=CC=CC(=C2)S([O-])(=O)=O)C2=CC=C(C=C2)N(CC)CC2=CC=CC(=C2)S([O-])(=O)=O)C=C1

Pricing & Availability
Specifications

PubChem CID	61365
CAS	6104-59-2
Molecular Weight (g/mol)	825.97
MDL Number	MFCD00041762
SMILES	[Na+].CCOC1=CC=C(NC2=CC=C(C=C2)[C+](C2=CC=C(C=C2)N(CC)CC2=CC=CC(=C2)S([O-])(=O)=O)C2=CC=C(C=C2)N(CC)CC2=CC=CC(=C2)S([O-])(=O)=O)C=C1
Synonym	Coomassie Brilliant Blue R 250; C.I. 42660
IUPAC Name	sodium;3-[[4-[[4-(4-ethoxyanilino)phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]-N-ethylanilino]methyl]benzenesulfonate
InChI Key	HAEGGLCXLFWTBE-UHFFFAOYSA-M
Molecular Formula	C45H44N3NaO7S2

417

Coomassie Brilliant Blue G-250, MP Biomedicals™

CAS: 6104-58-1 Molecular Formula: C47H48N3NaO7S2 PubChem CID: 6328534 IUPAC Name: sodium;3-[[4-[(Z)-[4-(4-ethoxyanilino)phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]-2-methylcyclohexa-2,5-dien-1-ylidene]methyl]-N-ethyl-3-methylanilino]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=C3C)C5=CC=C(C=C5)NC6=CC=C(C=C6)OCC)C.[Na+]

Pricing & Availability
Specifications

PubChem CID	6328534
CAS	6104-58-1
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=C3C)C5=CC=C(C=C5)NC6=CC=C(C=C6)OCC)C.[Na+]
IUPAC Name	sodium;3-[[4-[(Z)-[4-(4-ethoxyanilino)phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]-2-methylcyclohexa-2,5-dien-1-ylidene]methyl]-N-ethyl-3-methylanilino]methyl]benzenesulfonate
Molecular Formula	C47H48N3NaO7S2

418

Thermo Scientific Chemicals Thionin acetate, pure, high purity biological stain

CAS: 78338-22-4 Molecular Formula: C14H13N3O2S Molecular Weight (g/mol): 287.337 MDL Number: MFCD00081194 InChI Key: JOIRQYHDJINFGA-UHFFFAOYSA-N Synonym: 3, 7-Diaminophenothiazin-5-ium acetate PubChem CID: 2724414 IUPAC Name: (7-aminophenothiazin-3-ylidene)azanium;acetate SMILES: CC(=O)[O-].C1=CC2=C(C=C1N)SC3=CC(=[NH2+])C=CC3=N2

Pricing & Availability
Specifications

PubChem CID	2724414
CAS	78338-22-4
Molecular Weight (g/mol)	287.337
MDL Number	MFCD00081194
SMILES	CC(=O)[O-].C1=CC2=C(C=C1N)SC3=CC(=[NH2+])C=CC3=N2
Synonym	3, 7-Diaminophenothiazin-5-ium acetate
IUPAC Name	(7-aminophenothiazin-3-ylidene)azanium;acetate
InChI Key	JOIRQYHDJINFGA-UHFFFAOYSA-N
Molecular Formula	C14H13N3O2S

419

MilliporeSigma™ Loffler's Methylene Blue Solution

Used as bacteriological counter staining of gonococcal, lactic acid bacteria.

Pricing & Availability
Specifications

Storage Requirements	15° to 25°C

420

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

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