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

1 – 15 of 991 results

Thermo Scientific Chemicals Nile Red, 99%, pure

CAS: 7385-67-3 Molecular Formula: C20H18N2O2 Molecular Weight (g/mol): 318.38 MDL Number: MFCD00011639 InChI Key: VOFUROIFQGPCGE-UHFFFAOYSA-N Synonym: Nile blue A oxazone PubChem CID: 65182 ChEBI: CHEBI:52169 SMILES: CCN(CC)C1=CC=C2N=C3C(OC2=C1)=CC(=O)C1=CC=CC=C31

Pricing and Availability
Specifications

PubChem CID	65182
CAS	7385-67-3
Molecular Weight (g/mol)	318.38
ChEBI	CHEBI:52169
MDL Number	MFCD00011639
SMILES	CCN(CC)C1=CC=C2N=C3C(OC2=C1)=CC(=O)C1=CC=CC=C31
Synonym	Nile blue A oxazone
InChI Key	VOFUROIFQGPCGE-UHFFFAOYSA-N
Molecular Formula	C20H18N2O2

Thermo Scientific Chemicals Methylene Blue, 1% w/v aq. soln.

CAS: 122965-43-9 | C₁₆H₁₈ClN₃S

Pricing and Availability
Specifications

Concentration or Composition (by Analyte or Components)	3, 7-Bis(dimethylamino)phenothiazin-5-ium chloride hydrate: 1.0%; Water: 99%
CAS	7732-18-5
MDL Number	MFCD00012111
Physical Form	Liquid
Solubility Information	Miscible with ethanol,chloroform,glacial acetic acid and glycerol. Slightly miscible with pyridine. Immiscible with ethyl ether,xylene,oleic acid,ethanol and acetone.
Chemical Name or Material	Methylene Blue
TSCA	Yes
Recommended Storage	Ambient temperatures
Molecular Formula	C₁₆H₁₈ClN₃S
Formula Weight	319.86
Vapor Pressure	23 hPa (17mm Hg) at 20°C
Assay Percent Range	1% w/v aqueous solution

Thermo Scientific Chemicals Methyl Orange, 0.1% w/v aq. soln.

Pricing and Availability

Thermo Scientific Chemicals Eriochrome Black T

CAS: 1787-61-7 Molecular Formula: C20H12N3NaO7S Molecular Weight (g/mol): 461.38 MDL Number: MFCD00003935 InChI Key: JHUJLRKQZAPSDP-GXTSIBQPSA-M Synonym: C.I. 14645; Mordant Black 11 PubChem CID: 87355429 SMILES: [Na+].OC1=C2C=CC=CC2=CC=C1N\N=C1/C(=O)C=C(C2=CC(=CC=C12)[N+]([O-])=O)S([O-])(=O)=O

Pricing and Availability
Specifications

PubChem CID	87355429
CAS	1787-61-7
Molecular Weight (g/mol)	461.38
MDL Number	MFCD00003935
SMILES	[Na+].OC1=C2C=CC=CC2=CC=C1N\N=C1/C(=O)C=C(C2=CC(=CC=C12)[N+]([O-])=O)S([O-])(=O)=O
Synonym	C.I. 14645; Mordant Black 11
InChI Key	JHUJLRKQZAPSDP-GXTSIBQPSA-M
Molecular Formula	C20H12N3NaO7S

Thermo Scientific Chemicals Litmus, pure, indicator grade

CAS: 1393-92-6 MDL Number: MFCD00131528

Pricing and Availability
Specifications

CAS	1393-92-6
MDL Number	MFCD00131528

Thermo Scientific Chemicals Thymol Blue, pure, indicator

CAS: 76-61-9 Molecular Formula: C27H30O5S Molecular Weight (g/mol): 466.592 MDL Number: MFCD00005869 InChI Key: PRZSXZWFJHEZBJ-UHFFFAOYSA-N Synonym: TB,Thymolsulfonephthalein PubChem CID: 65565 IUPAC Name: 4-[3-(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-5-methyl-2-propan-2-ylphenol SMILES: CC1=CC(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C=C4C)O)C(C)C)C(C)C)O

Pricing and Availability
Specifications

PubChem CID	65565
CAS	76-61-9
Molecular Weight (g/mol)	466.592
MDL Number	MFCD00005869
SMILES	CC1=CC(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C=C4C)O)C(C)C)C(C)C)O
Synonym	TB,Thymolsulfonephthalein
IUPAC Name	4-[3-(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-5-methyl-2-propan-2-ylphenol
InChI Key	PRZSXZWFJHEZBJ-UHFFFAOYSA-N
Molecular Formula	C27H30O5S

Thioflavin T

CAS: 2390-54-7 Molecular Formula: C17H19ClN2S Molecular Weight (g/mol): 318.86 MDL Number: MFCD00011944 InChI Key: JADVWWSKYZXRGX-UHFFFAOYSA-M Synonym: Basic Yellow 1,C.I. 49005 PubChem CID: 16953 ChEBI: CHEBI:76023 IUPAC Name: 2-[4-(dimethylamino)phenyl]-3,6-dimethyl-1,3-benzothiazol-3-ium chloride SMILES: [Cl-].CN(C)C1=CC=C(C=C1)C1=[N+](C)C2=CC=C(C)C=C2S1

Pricing and Availability
Specifications

PubChem CID	16953
CAS	2390-54-7
Molecular Weight (g/mol)	318.86
ChEBI	CHEBI:76023
MDL Number	MFCD00011944
SMILES	[Cl-].CN(C)C1=CC=C(C=C1)C1=[N+](C)C2=CC=C(C)C=C2S1
Synonym	Basic Yellow 1,C.I. 49005
IUPAC Name	2-[4-(dimethylamino)phenyl]-3,6-dimethyl-1,3-benzothiazol-3-ium chloride
InChI Key	JADVWWSKYZXRGX-UHFFFAOYSA-M
Molecular Formula	C17H19ClN2S

Thermo Scientific Chemicals Bromocresol Purple

CAS: 115-40-2 Molecular Formula: C21H16Br2O5S Molecular Weight (g/mol): 540.22 MDL Number: MFCD00011681 InChI Key: ABIUHPWEYMSGSR-UHFFFAOYSA-N PubChem CID: 8273 ChEBI: CHEBI:86154 IUPAC Name: 2-bromo-4-[3-(3-bromo-4-hydroxy-5-methylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-6-methylphenol SMILES: CC1=CC(=CC(Br)=C1O)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC(C)=C(O)C(Br)=C1

Pricing and Availability
Specifications

PubChem CID	8273
CAS	115-40-2
Molecular Weight (g/mol)	540.22
ChEBI	CHEBI:86154
MDL Number	MFCD00011681
SMILES	CC1=CC(=CC(Br)=C1O)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC(C)=C(O)C(Br)=C1
IUPAC Name	2-bromo-4-[3-(3-bromo-4-hydroxy-5-methylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-6-methylphenol
InChI Key	ABIUHPWEYMSGSR-UHFFFAOYSA-N
Molecular Formula	C21H16Br2O5S

Thermo Scientific Chemicals Bromophenol Blue

CAS: 115-39-9 Molecular Formula: C19H10Br4O5S Molecular Weight (g/mol): 669.96 MDL Number: MFCD00005875 InChI Key: UDSAIICHUKSCKT-UHFFFAOYSA-N Synonym: Bromphenol Blue PubChem CID: 8272 ChEBI: CHEBI:59424 IUPAC Name: 2,6-dibromo-4-[3-(3,5-dibromo-4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenol SMILES: C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC(=C(C(=C3)Br)O)Br)C4=CC(=C(C(=C4)Br)O)Br

Pricing and Availability
Specifications

PubChem CID	8272
CAS	115-39-9
Molecular Weight (g/mol)	669.96
ChEBI	CHEBI:59424
MDL Number	MFCD00005875
SMILES	C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC(=C(C(=C3)Br)O)Br)C4=CC(=C(C(=C4)Br)O)Br
Synonym	Bromphenol Blue
IUPAC Name	2,6-dibromo-4-[3-(3,5-dibromo-4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenol
InChI Key	UDSAIICHUKSCKT-UHFFFAOYSA-N
Molecular Formula	C19H10Br4O5S

Thermo Scientific Chemicals Indigo Carmine, for analysis, high purity biological stain

CAS: 860-22-0 Molecular Formula: C16H8N2Na2O8S2 Molecular Weight (g/mol): 466.35 MDL Number: MFCD00005723 InChI Key: KHLVKKOJDHCJMG-QDBORUFSSA-L Synonym: Acid Blue 74,C.I. 73015,5, 5'-Indigodisulfonic acid, disodium salt PubChem CID: 5284351 IUPAC Name: disodium;(2E)-3-oxo-2-(3-oxo-5-sulfonato-1H-indol-2-ylidene)-1H-indole-5-sulfonate SMILES: [Na+].[Na+].[O-]S(=O)(=O)C1=CC=C2N\C(C(=O)C2=C1)=C1\NC2=CC=C(C=C2C1=O)S([O-])(=O)=O

Pricing and Availability
Specifications

PubChem CID	5284351
CAS	860-22-0
Molecular Weight (g/mol)	466.35
MDL Number	MFCD00005723
SMILES	[Na+].[Na+].[O-]S(=O)(=O)C1=CC=C2N\C(C(=O)C2=C1)=C1\NC2=CC=C(C=C2C1=O)S([O-])(=O)=O
Synonym	Acid Blue 74,C.I. 73015,5, 5'-Indigodisulfonic acid, disodium salt
IUPAC Name	disodium;(2E)-3-oxo-2-(3-oxo-5-sulfonato-1H-indol-2-ylidene)-1H-indole-5-sulfonate
InChI Key	KHLVKKOJDHCJMG-QDBORUFSSA-L
Molecular Formula	C16H8N2Na2O8S2

Amido Black 10B

CAS: 1064-48-8 Molecular Formula: C22H14N6Na2O9S2 Molecular Weight (g/mol): 616.487 MDL Number: MFCD00004017 InChI Key: HKBVRFLHNUEVRO-UHFFFAOYSA-L Synonym: C.I. 20470,Naphthalene Black 10B 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 and 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	C.I. 20470,Naphthalene Black 10B
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

Thermo Scientific Chemicals Bromocresol Green

CAS: 76-60-8 Molecular Formula: C21H14Br4O5S Molecular Weight (g/mol): 698.014 MDL Number: MFCD00005874 InChI Key: FRPHFZCDPYBUAU-UHFFFAOYSA-N Synonym: Bromcresol Green PubChem CID: 6451 IUPAC Name: 2,6-dibromo-4-[3-(3,5-dibromo-4-hydroxy-2-methylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-3-methylphenol SMILES: CC1=C(C(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C(=C4C)Br)O)Br)Br)O)Br

Pricing and Availability
Specifications

PubChem CID	6451
CAS	76-60-8
Molecular Weight (g/mol)	698.014
MDL Number	MFCD00005874
SMILES	CC1=C(C(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C(=C4C)Br)O)Br)Br)O)Br
Synonym	Bromcresol Green
IUPAC Name	2,6-dibromo-4-[3-(3,5-dibromo-4-hydroxy-2-methylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-3-methylphenol
InChI Key	FRPHFZCDPYBUAU-UHFFFAOYSA-N
Molecular Formula	C21H14Br4O5S

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

Pricing and Availability
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

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

Pricing and Availability
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

Thermo Scientific Chemicals Congo Red, indicator grade

CAS: 573-58-0 Molecular Formula: C32H22N6Na2O6S2 Molecular Weight (g/mol): 696.664 MDL Number: MFCD00004028 InChI Key: IQFVPQOLBLOTPF-UHFFFAOYSA-L Synonym: C.I. 22120 PubChem CID: 11313 ChEBI: CHEBI:34653 IUPAC Name: disodium;4-amino-3-[[4-[4-[(1-amino-4-sulfonatonaphthalen-2-yl)diazenyl]phenyl]phenyl]diazenyl]naphthalene-1-sulfonate SMILES: C1=CC=C2C(=C1)C(=CC(=C2N)N=NC3=CC=C(C=C3)C4=CC=C(C=C4)N=NC5=C(C6=CC=CC=C6C(=C5)S(=O)(=O)[O-])N)S(=O)(=O)[O-].[Na+].[Na+]

Pricing and Availability
Specifications

PubChem CID	11313
CAS	573-58-0
Molecular Weight (g/mol)	696.664
ChEBI	CHEBI:34653
MDL Number	MFCD00004028
SMILES	C1=CC=C2C(=C1)C(=CC(=C2N)N=NC3=CC=C(C=C3)C4=CC=C(C=C4)N=NC5=C(C6=CC=CC=C6C(=C5)S(=O)(=O)[O-])N)S(=O)(=O)[O-].[Na+].[Na+]
Synonym	C.I. 22120
IUPAC Name	disodium;4-amino-3-[[4-[4-[(1-amino-4-sulfonatonaphthalen-2-yl)diazenyl]phenyl]phenyl]diazenyl]naphthalene-1-sulfonate
InChI Key	IQFVPQOLBLOTPF-UHFFFAOYSA-L
Molecular Formula	C32H22N6Na2O6S2

Stains and Dyes

Filtered Search Results

Narrow Results