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Staining Reagents

Stains, staining systems, and blocking agents in a variety of types, grades, molecular weights, purities, and pH ranges; used to elucidate important structures of microorganisms including bacteria, viruses, protozoa, etc.
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1 – 15 of 995 results
1

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

CAS: 122965-43-9 | C16H18ClN3S

EDGE
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
2

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

EDGE
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
3

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

EDGE
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
4

Thermo Scientific Chemicals Cresyl Violet acetate

EDGE
5

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

EDGE
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
6

Thermo Scientific Chemicals Litmus, pure, indicator grade

CAS: 1393-92-6 MDL Number: MFCD00131528

EDGE
CAS 1393-92-6
MDL Number MFCD00131528
7

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

EDGE
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
8

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

EDGE
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
9

Bromothymol Blue sodium salt, 0.04% w/v aq. soln.

CAS: 34722-90-2 Molecular Formula: C27H27Br2NaO5S Molecular Weight (g/mol): 646.37 MDL Number: MFCD00077263,MFCD00077263,MFCD00077263 InChI Key: NMKFVGALBGZKGW-FKWCIMQXSA-M PubChem CID: 102183223 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

EDGE
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
InChI Key NMKFVGALBGZKGW-FKWCIMQXSA-M
Molecular Formula C27H27Br2NaO5S
10

Thermo Scientific Chemicals Eosin Y, pure, certified

EDGE
11

Thermo Scientific Chemicals New Coccine, pure

CAS: 2611-82-7 Molecular Formula: C20H11N2Na3O10S3 Molecular Weight (g/mol): 604.46 MDL Number: MFCD00004084 InChI Key: IVNZBWNBYXERPK-DZGBHZPSSA-K Synonym: Acid Red 18,C.I. 16255,Cochineal Red A PubChem CID: 131851859 IUPAC Name: (8Z)-7-oxo-8-[(4-sulfonaphthalen-1-yl)hydrazinylidene]naphthalene-1,3-disulfonic acid;sodium SMILES: [Na+].[Na+].[Na+].[O-]S(=O)(=O)C1=CC2=C(\C(=N\NC3=C4C=CC=CC4=C(C=C3)S([O-])(=O)=O)C(=O)C=C2)C(=C1)S([O-])(=O)=O

EDGE
PubChem CID 131851859
CAS 2611-82-7
Molecular Weight (g/mol) 604.46
MDL Number MFCD00004084
SMILES [Na+].[Na+].[Na+].[O-]S(=O)(=O)C1=CC2=C(\C(=N\NC3=C4C=CC=CC4=C(C=C3)S([O-])(=O)=O)C(=O)C=C2)C(=C1)S([O-])(=O)=O
Synonym Acid Red 18,C.I. 16255,Cochineal Red A
IUPAC Name (8Z)-7-oxo-8-[(4-sulfonaphthalen-1-yl)hydrazinylidene]naphthalene-1,3-disulfonic acid;sodium
InChI Key IVNZBWNBYXERPK-DZGBHZPSSA-K
Molecular Formula C20H11N2Na3O10S3
12

Thermo Scientific Chemicals Janus Green B

CAS: 2869-83-2 Molecular Formula: C30H31ClN6 Molecular Weight (g/mol): 511.07 MDL Number: MFCD00011758 InChI Key: XXACTDWGHQXLGW-UHFFFAOYSA-M Synonym: C.I. 11050 PubChem CID: 76123 ChEBI: CHEBI:21184 IUPAC Name: 8-[[4-(dimethylamino)phenyl]diazenyl]-N,N-diethyl-10-phenylphenazin-10-ium-2-amine;chloride SMILES: [Cl-].CCN(CC)C1=CC=C2N=C3C=CC(=CC3=[N+](C3=CC=CC=C3)C2=C1)N=NC1=CC=C(C=C1)N(C)C

EDGE
PubChem CID 76123
CAS 2869-83-2
Molecular Weight (g/mol) 511.07
ChEBI CHEBI:21184
MDL Number MFCD00011758
SMILES [Cl-].CCN(CC)C1=CC=C2N=C3C=CC(=CC3=[N+](C3=CC=CC=C3)C2=C1)N=NC1=CC=C(C=C1)N(C)C
Synonym C.I. 11050
IUPAC Name 8-[[4-(dimethylamino)phenyl]diazenyl]-N,N-diethyl-10-phenylphenazin-10-ium-2-amine;chloride
InChI Key XXACTDWGHQXLGW-UHFFFAOYSA-M
Molecular Formula C30H31ClN6
13

2,6-Dichloroindophenol, sodium salt hydrate, 95%

CAS: 1266615-56-8 Molecular Formula: C12H6Cl2NNaO2 Molecular Weight (g/mol): 290.07 MDL Number: MFCD00150014 InChI Key: CVSUAFOWIXUYQA-UHFFFAOYSA-M Synonym: Tillman's reagent hydrate PubChem CID: 23696612 SMILES: [Na+].[O-]C1=CC=C(C=C1)N=C1C=C(Cl)C(=O)C(Cl)=C1

EDGE
PubChem CID 23696612
CAS 1266615-56-8
Molecular Weight (g/mol) 290.07
MDL Number MFCD00150014
SMILES [Na+].[O-]C1=CC=C(C=C1)N=C1C=C(Cl)C(=O)C(Cl)=C1
Synonym Tillman's reagent hydrate
InChI Key CVSUAFOWIXUYQA-UHFFFAOYSA-M
Molecular Formula C12H6Cl2NNaO2
14

Thermo Scientific Chemicals Brilliant Blue G, pure

CAS: 6104-58-1 Molecular Formula: C47H48N3NaO7S2 Molecular Weight (g/mol): 854.025 MDL Number: MFCD00078482 InChI Key: RWVGQQGBQSJDQV-UHFFFAOYSA-M Synonym: Acid Blue 90,Brilliant Blue G 250,C.I. 42655 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+]

EDGE
PubChem CID 6328534
CAS 6104-58-1
Molecular Weight (g/mol) 854.025
MDL Number MFCD00078482
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+]
Synonym Acid Blue 90,Brilliant Blue G 250,C.I. 42655
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
InChI Key RWVGQQGBQSJDQV-UHFFFAOYSA-M
Molecular Formula C47H48N3NaO7S2
15

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

EDGE
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