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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241 – 255 of 7,105 results

241

BD BBL™/Difco™ TB Fluorescent Stain Kit T

For staining mycobacteria by the Truant, Brett and Thomas fluorescent procedure

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242

Thermo Scientific Chemicals Methyl Red, sodium salt, ACS reagent

CAS: 845-10-3 Molecular Formula: C15H14N3NaO2 Molecular Weight (g/mol): 291.286 MDL Number: MFCD00002426 InChI Key: GNTPCYMJCJNRQB-UHFFFAOYSA-M Synonym: 2-[4-(Dimethylamino)phenylazo]benzoic acid, sodium salt,C.I. 13020,MR 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+]

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Specifications

PubChem CID	4465632
CAS	845-10-3
Molecular Weight (g/mol)	291.286
MDL Number	MFCD00002426
SMILES	CN(C)C1=CC=C(C=C1)N=NC2=CC=CC=C2C(=O)[O-].[Na+]
Synonym	2-[4-(Dimethylamino)phenylazo]benzoic acid, sodium salt,C.I. 13020,MR
IUPAC Name	sodium;2-[[4-(dimethylamino)phenyl]diazenyl]benzoate
InChI Key	GNTPCYMJCJNRQB-UHFFFAOYSA-M
Molecular Formula	C15H14N3NaO2

243

Thermo Scientific Chemicals Methyl Red, 0.1% w/v solution in ethanol

CAS: 74886-84-3 MDL Number: MFCD00002425

Pricing & Availability
Specifications

CAS	74886-84-3
MDL Number	MFCD00002425

244

Chromotrope FB

CAS: 3567-69-9 Molecular Formula: C20H12N2Na2O7S2 Molecular Weight (g/mol): 502.42 MDL Number: MFCD00003978 InChI Key: OJNIRNOPCQQNRY-JZFXEGLSSA-L Synonym: Acid Red 14; C.I. 14720 PubChem CID: 44135716 SMILES: [Na+].[Na+].[O-]S(=O)(=O)C1=C\C(=N/NC2=C3C=CC=CC3=C(C=C2)S([O-])(=O)=O)C(=O)C2=CC=CC=C12

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Specifications

PubChem CID	44135716
CAS	3567-69-9
Molecular Weight (g/mol)	502.42
MDL Number	MFCD00003978
SMILES	[Na+].[Na+].[O-]S(=O)(=O)C1=C\C(=N/NC2=C3C=CC=CC3=C(C=C2)S([O-])(=O)=O)C(=O)C2=CC=CC=C12
Synonym	Acid Red 14; C.I. 14720
InChI Key	OJNIRNOPCQQNRY-JZFXEGLSSA-L
Molecular Formula	C20H12N2Na2O7S2

245

Thermo Scientific Chemicals Bromothymol Blue, pure, indicator

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

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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

246

Thermo Scientific Chemicals Methyl Red sodium salt

CAS: 845-10-3 Molecular Formula: C15H14N3NaO2 Molecular Weight (g/mol): 291.286 MDL Number: MFCD00002426 InChI Key: GNTPCYMJCJNRQB-UHFFFAOYSA-M Synonym: C.I. 13020; Methyl Red, water soluble 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+]

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Specifications

PubChem CID	4465632
CAS	845-10-3
Molecular Weight (g/mol)	291.286
MDL Number	MFCD00002426
SMILES	CN(C)C1=CC=C(C=C1)N=NC2=CC=CC=C2C(=O)[O-].[Na+]
Synonym	C.I. 13020; Methyl Red, water soluble
IUPAC Name	sodium;2-[[4-(dimethylamino)phenyl]diazenyl]benzoate
InChI Key	GNTPCYMJCJNRQB-UHFFFAOYSA-M
Molecular Formula	C15H14N3NaO2

247

Thermo Scientific Chemicals Safranin O, 85%, pure, certified

CAS: 477-73-6 Molecular Formula: C20H19ClN4 Molecular Weight (g/mol): 350.85 MDL Number: MFCD00011759 InChI Key: QRYAEWIQIBAZOJ-UHFFFAOYSA-N Synonym: Basic Red 2,C.I. 50240,3, 7-Diamino-2, 8-dimethyl-5-phenylphenazinium chloride PubChem CID: 2723800 IUPAC Name: 3,7-dimethyl-10-phenylphenazin-10-ium-2,8-diamine;chloride SMILES: [Cl-].CC1=C(N)C=C2C(=C1)N=C1C(C)=C(N)C=CC1=[N+]2C1=CC=CC=C1

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Specifications

PubChem CID	2723800
CAS	477-73-6
Molecular Weight (g/mol)	350.85
MDL Number	MFCD00011759
SMILES	[Cl-].CC1=C(N)C=C2C(=C1)N=C1C(C)=C(N)C=CC1=[N+]2C1=CC=CC=C1
Synonym	Basic Red 2,C.I. 50240,3, 7-Diamino-2, 8-dimethyl-5-phenylphenazinium chloride
IUPAC Name	3,7-dimethyl-10-phenylphenazin-10-ium-2,8-diamine;chloride
InChI Key	QRYAEWIQIBAZOJ-UHFFFAOYSA-N
Molecular Formula	C20H19ClN4

248

Thermo Scientific Chemicals Phenol Red, pure, indicator

CAS: 143-74-8 Molecular Formula: C19H14O5S Molecular Weight (g/mol): 354.38 MDL Number: MFCD00003552 InChI Key: BELBBZDIHDAJOR-UHFFFAOYSA-N Synonym: Phenolsulfonephthalein PubChem CID: 4766 ChEBI: CHEBI:31991 SMILES: OC1=CC=C(C=C1)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC=C(O)C=C1

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Specifications

PubChem CID	4766
CAS	143-74-8
Molecular Weight (g/mol)	354.38
ChEBI	CHEBI:31991
MDL Number	MFCD00003552
SMILES	OC1=CC=C(C=C1)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC=C(O)C=C1
Synonym	Phenolsulfonephthalein
InChI Key	BELBBZDIHDAJOR-UHFFFAOYSA-N
Molecular Formula	C19H14O5S

249

Thermo Scientific Chemicals Crystal Violet, pure, indicator

Crystal Violet, C25H30ClN3, CAS Number-548-62-9, 90-94-8, Basic Violet 3, C.I. 42555, Gentian Violet, 100g, 13, 756, CHEBI:41688, 407.99, Pure, Danger, GHS H Statement: Very toxic to aquatic life with long lasting effects. Harmful if swallowed. Causes serious eye damage. May cause cancer. | CAS: 548-62-9 | C25H30ClN3 | 407.986 g/mol

Pricing & Availability
Specifications

Molecular Weight (g/mol)	407.986
ChEBI	CHEBI:41688
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
InChI Key	ZXJXZNDDNMQXFV-UHFFFAOYSA-M
PubChem CID	11057
Name Note	Indicator, Pure
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
IUPAC Name	[4-[bis[4-(dimethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium;chloride
Beilstein	13, 756
Molecular Formula	C25H30ClN3
Formula Weight	407.99
Melting Point	215.0°C

250

Thermo Scientific Chemicals Quinaldine red, pure

CAS: 117-92-0 Molecular Formula: C21H23IN2 Molecular Weight (g/mol): 430.33 MDL Number: MFCD00011968 InChI Key: JOLANDVPGMEGLK-UHFFFAOYSA-M Synonym: 2-[4-(Dimethylamino)styryl]-1-ethylquinolinium iodide PubChem CID: 5702759 SMILES: [I-].CC[N+]1=C2C=CC=CC2=CC=C1C=CC1=CC=C(C=C1)N(C)C

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Specifications

PubChem CID	5702759
CAS	117-92-0
Molecular Weight (g/mol)	430.33
MDL Number	MFCD00011968
SMILES	[I-].CC[N+]1=C2C=CC=CC2=CC=C1C=CC1=CC=C(C=C1)N(C)C
Synonym	2-[4-(Dimethylamino)styryl]-1-ethylquinolinium iodide
InChI Key	JOLANDVPGMEGLK-UHFFFAOYSA-M
Molecular Formula	C21H23IN2

251

Nigrosin water soluble

CAS: 8005-03-6 Molecular Formula: C22H14N6Na2O9S2 Molecular Weight (g/mol): 616.49 MDL Number: MFCD00044681 InChI Key: HKBVRFLHNUEVRO-HMDKGIQMSA-L 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	8005-03-6
Molecular Weight (g/mol)	616.49
MDL Number	MFCD00044681
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+]
IUPAC Name	disodium;4-amino-3-[(4-nitrophenyl)diazenyl]-5-oxo-6-(phenylhydrazinylidene)naphthalene-2,7-disulfonate
InChI Key	HKBVRFLHNUEVRO-HMDKGIQMSA-L
Molecular Formula	C22H14N6Na2O9S2

252

Thermo Scientific Chemicals Alizarin Red S, pure, certified

CAS: 130-22-3 Molecular Formula: C14H7NaO7S Molecular Weight (g/mol): 342.253 MDL Number: MFCD00013049 InChI Key: HFVAFDPGUJEFBQ-UHFFFAOYSA-M Synonym: 9,10-Dihydro-3,4-dihydroxy-9,10-dioxo-2-anthracenesulfonic acid, sodium salt,9, 10-Dihydro-3, 4-dihydroxy-9,Mordant Red 3,Sodium alizarinesulfonate PubChem CID: 3955344 ChEBI: CHEBI:87358 IUPAC Name: sodium;3,4-dihydroxy-9,10-dioxoanthracene-2-sulfonate SMILES: C1=CC=C2C(=C1)C(=O)C3=CC(=C(C(=C3C2=O)O)O)S(=O)(=O)[O-].[Na+]

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Specifications

PubChem CID	3955344
CAS	130-22-3
Molecular Weight (g/mol)	342.253
ChEBI	CHEBI:87358
MDL Number	MFCD00013049
SMILES	C1=CC=C2C(=C1)C(=O)C3=CC(=C(C(=C3C2=O)O)O)S(=O)(=O)[O-].[Na+]
Synonym	9,10-Dihydro-3,4-dihydroxy-9,10-dioxo-2-anthracenesulfonic acid, sodium salt,9, 10-Dihydro-3, 4-dihydroxy-9,Mordant Red 3,Sodium alizarinesulfonate
IUPAC Name	sodium;3,4-dihydroxy-9,10-dioxoanthracene-2-sulfonate
InChI Key	HFVAFDPGUJEFBQ-UHFFFAOYSA-M
Molecular Formula	C14H7NaO7S

253

Thermo Scientific Chemicals Bromothymol Blue, sodium salt, pure, water soluble, indicator

CAS: 34722-90-2 Molecular Formula: C27H27Br2NaO5S Molecular Weight (g/mol): 646.37 MDL Number: MFCD00077263,MFCD00077263,MFCD00077263 InChI Key: NMKFVGALBGZKGW-FKWCIMQXSA-M Synonym: Bromthymol Blue, sodium salt,3', 3''-Dibromothymolsulfonephthalein, sodium salt,BTB PubChem CID: 102183223 IUPAC Name: sodium;2-bromo-4-[(Z)-(3-bromo-2-methyl-4-oxo-5-propan-2-ylcyclohexa-2,5-dien-1-ylidene)-(2-sulfophenyl)methyl]-3-methyl-6-propan-2-ylphenolate 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

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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
Synonym	Bromthymol Blue, sodium salt,3', 3''-Dibromothymolsulfonephthalein, sodium salt,BTB
IUPAC Name	sodium;2-bromo-4-[(Z)-(3-bromo-2-methyl-4-oxo-5-propan-2-ylcyclohexa-2,5-dien-1-ylidene)-(2-sulfophenyl)methyl]-3-methyl-6-propan-2-ylphenolate
InChI Key	NMKFVGALBGZKGW-FKWCIMQXSA-M
Molecular Formula	C27H27Br2NaO5S

254

BD Fixable Viability Stain 450

Useful to discriminate viable from non-viable mammalian cells in multicolor flow cytometric application

Pricing & Availability

255

Thermo Scientific Chemicals Ponceau S, pure

CAS: 6226-79-5 Molecular Formula: C22H12N4Na4O13S4 Molecular Weight (g/mol): 760.552 MDL Number: MFCD00003892 InChI Key: VSXKEUCERCWGKF-STNZDNLRSA-J Synonym: C.I. 27195,3-Hydroxy-4-[2-sulfo-4-(4-sulfophenylazo)phenylazo]-2, 7-naphthalenedisulfonic acid, tetrasodium salt PubChem CID: 11320219 IUPAC Name: tetrasodium;(4Z)-3-oxo-4-[[2-sulfonato-4-[(4-sulfonatophenyl)diazenyl]phenyl]hydrazinylidene]naphthalene-2,7-disulfonate SMILES: C1=CC(=CC=C1N=NC2=CC(=C(C=C2)NN=C3C4=C(C=C(C=C4)S(=O)(=O)[O-])C=C(C3=O)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+].[Na+]

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Specifications

PubChem CID	11320219
CAS	6226-79-5
Molecular Weight (g/mol)	760.552
MDL Number	MFCD00003892
SMILES	C1=CC(=CC=C1N=NC2=CC(=C(C=C2)NN=C3C4=C(C=C(C=C4)S(=O)(=O)[O-])C=C(C3=O)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+].[Na+]
Synonym	C.I. 27195,3-Hydroxy-4-[2-sulfo-4-(4-sulfophenylazo)phenylazo]-2, 7-naphthalenedisulfonic acid, tetrasodium salt
IUPAC Name	tetrasodium;(4Z)-3-oxo-4-[[2-sulfonato-4-[(4-sulfonatophenyl)diazenyl]phenyl]hydrazinylidene]naphthalene-2,7-disulfonate
InChI Key	VSXKEUCERCWGKF-STNZDNLRSA-J
Molecular Formula	C22H12N4Na4O13S4

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