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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.
Stains and Dyes (1,761)
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1 – 15 of 952 results
1
Promotions Available

Thermo Scientific Chemicals Methylene Blue, pure, certified, residual water

CAS: 7220-79-3 Molecular Formula: C16H24ClN3O3S Molecular Weight (g/mol): 373.90 MDL Number: MFCD00150008 InChI Key: XQAXGZLFSSPBMK-UHFFFAOYSA-M Synonym: Basic Blue 9 PubChem CID: 6099 ChEBI: CHEBI:6872 IUPAC Name: [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride SMILES: O.O.O.[Cl-].CN(C)C1=CC2=[S+]C3=CC(=CC=C3N=C2C=C1)N(C)C

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PubChem CID 6099
CAS 7220-79-3
Molecular Weight (g/mol) 373.90
ChEBI CHEBI:6872
MDL Number MFCD00150008
SMILES O.O.O.[Cl-].CN(C)C1=CC2=[S+]C3=CC(=CC=C3N=C2C=C1)N(C)C
Synonym Basic Blue 9
IUPAC Name [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride
InChI Key XQAXGZLFSSPBMK-UHFFFAOYSA-M
Molecular Formula C16H24ClN3O3S
2
Promotions Available

Thermo Scientific™ Gram Stain Kit

Differentiate gram-positive organisms from gram-negative organisms using Gram Stain Kit.

3

Thermo Scientific Chemicals Methylene Blue hydrate, 96+%, high purity biological stain

CAS: 122965-43-9 Molecular Formula: C16H18ClN3S Molecular Weight (g/mol): 319.85 MDL Number: MFCD00150006 InChI Key: CXKWCBBOMKCUKX-UHFFFAOYSA-M Synonym: Basic Blue 9 hydrate,C.I. 52015 hydrate PubChem CID: 16211647 IUPAC Name: [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride;hydrate SMILES: [Cl-].CN(C)C1=CC=C2N=C3C=CC(C=C3SC2=C1)=[N+](C)C

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PubChem CID 16211647
CAS 122965-43-9
Molecular Weight (g/mol) 319.85
MDL Number MFCD00150006
SMILES [Cl-].CN(C)C1=CC=C2N=C3C=CC(C=C3SC2=C1)=[N+](C)C
Synonym Basic Blue 9 hydrate,C.I. 52015 hydrate
IUPAC Name [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride;hydrate
InChI Key CXKWCBBOMKCUKX-UHFFFAOYSA-M
Molecular Formula C16H18ClN3S
4

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

CAS: 122965-43-9 | C16H18ClN3S

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
5

Crystal Violet, Fisher Chemical™
BIOPHARMA

6

Thermo Scientific Chemicals Toluidine Blue O, pure

CAS: 92-31-9 Molecular Formula: C15H16ClN3S Molecular Weight (g/mol): 305.82 MDL Number: MFCD00011934 InChI Key: HNONEKILPDHFOL-UHFFFAOYSA-M Synonym: Basic blue 17,C.I. 52040,Tolonium chloride PubChem CID: 7083 SMILES: [Cl-].CN(C)C1=CC=C2N=C3C=C(C)C(N)=CC3=[S+]C2=C1

PubChem CID 7083
CAS 92-31-9
Molecular Weight (g/mol) 305.82
MDL Number MFCD00011934
SMILES [Cl-].CN(C)C1=CC=C2N=C3C=C(C)C(N)=CC3=[S+]C2=C1
Synonym Basic blue 17,C.I. 52040,Tolonium chloride
InChI Key HNONEKILPDHFOL-UHFFFAOYSA-M
Molecular Formula C15H16ClN3S
7

Ninhydrin Monohydrate, Extra Pure, Fisher Chemical™

CAS: 485-47-2 Molecular Formula: C9H6O4 Molecular Weight (g/mol): 178.143 MDL Number: 3791 InChI Key: FEMOMIGRRWSMCU-UHFFFAOYSA-N PubChem CID: 10236 ChEBI: CHEBI:86374 IUPAC Name: 2,2-dihydroxyindene-1,3-dione SMILES: C1=CC=C2C(=C1)C(=O)C(C2=O)(O)O

PubChem CID 10236
CAS 485-47-2
Molecular Weight (g/mol) 178.143
ChEBI CHEBI:86374
MDL Number 3791
SMILES C1=CC=C2C(=C1)C(=O)C(C2=O)(O)O
IUPAC Name 2,2-dihydroxyindene-1,3-dione
InChI Key FEMOMIGRRWSMCU-UHFFFAOYSA-N
Molecular Formula C9H6O4
8

Thermo Scientific Chemicals Light Green SF Yellowish

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+]

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
9

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
10
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Thermo Scientific Chemicals Methylene Blue trihydrate, 95%, pure

CAS: 7220-79-3 Molecular Formula: C16H24ClN3O3S Molecular Weight (g/mol): 373.90 MDL Number: MFCD00150008 InChI Key: XQAXGZLFSSPBMK-UHFFFAOYSA-M Synonym: Basic Blue 9 trihydrate,C.I. 52015 trihydrate PubChem CID: 104827 SMILES: O.O.O.[Cl-].CN(C)C1=CC2=[S+]C3=CC(=CC=C3N=C2C=C1)N(C)C

EDGE
PubChem CID 104827
CAS 7220-79-3
Molecular Weight (g/mol) 373.90
MDL Number MFCD00150008
SMILES O.O.O.[Cl-].CN(C)C1=CC2=[S+]C3=CC(=CC=C3N=C2C=C1)N(C)C
Synonym Basic Blue 9 trihydrate,C.I. 52015 trihydrate
InChI Key XQAXGZLFSSPBMK-UHFFFAOYSA-M
Molecular Formula C16H24ClN3O3S
11

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
12

Thermo Scientific Chemicals Neutral Red, ACS

CAS: 553-24-2 Molecular Formula: C15H17ClN4 Molecular Weight (g/mol): 288.779 MDL Number: MFCD00012651 InChI Key: PGSADBUBUOPOJS-UHFFFAOYSA-N Synonym: Basic Red 5; C.I. 50040 PubChem CID: 11105 ChEBI: CHEBI:86370 IUPAC Name: 8-N,8-N,3-trimethylphenazine-2,8-diamine;hydrochloride SMILES: CC1=CC2=NC3=C(C=C(C=C3)N(C)C)N=C2C=C1N.Cl

EDGE
PubChem CID 11105
CAS 553-24-2
Molecular Weight (g/mol) 288.779
ChEBI CHEBI:86370
MDL Number MFCD00012651
SMILES CC1=CC2=NC3=C(C=C(C=C3)N(C)C)N=C2C=C1N.Cl
Synonym Basic Red 5; C.I. 50040
IUPAC Name 8-N,8-N,3-trimethylphenazine-2,8-diamine;hydrochloride
InChI Key PGSADBUBUOPOJS-UHFFFAOYSA-N
Molecular Formula C15H17ClN4
13

Thermo Scientific Chemicals Litmus, pure, indicator grade

CAS: 1393-92-6 MDL Number: MFCD00131528

EDGE
CAS 1393-92-6
MDL Number MFCD00131528
14

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
15

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

EDGE