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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

Thermo Scientific™ Gram Stain Kit

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

2

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

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
3
Promotions Available

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

EDGE
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 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
10

Thermo Scientific Chemicals Resazurin sodium salt

CAS: 62758-13-8 Molecular Formula: C12H6NNaO4 Molecular Weight (g/mol): 251.173 MDL Number: MFCD00005036 InChI Key: IVGPGQSSDLDOLH-UHFFFAOYSA-M PubChem CID: 112939 IUPAC Name: sodium;10-oxido-7-oxophenoxazin-10-ium-3-olate SMILES: C1=CC2=C(C=C1[O-])OC3=CC(=O)C=CC3=[N+]2[O-].[Na+]

EDGE
PubChem CID 112939
CAS 62758-13-8
Molecular Weight (g/mol) 251.173
MDL Number MFCD00005036
SMILES C1=CC2=C(C=C1[O-])OC3=CC(=O)C=CC3=[N+]2[O-].[Na+]
IUPAC Name sodium;10-oxido-7-oxophenoxazin-10-ium-3-olate
InChI Key IVGPGQSSDLDOLH-UHFFFAOYSA-M
Molecular Formula C12H6NNaO4
11

Thermo Scientific Chemicals Sudan Red 7B

CAS: 6368-72-5 Molecular Formula: C24H21N5 Molecular Weight (g/mol): 379.467 MDL Number: MFCD00003904 InChI Key: VKWNTWQXVLKCSG-UHFFFAOYSA-N Synonym: C.I. 26050,N-Ethyl-1-[4-(phenylazo)phenylazo]-2-naphthylamine,Fat Red 7B,Solvent Red 19 PubChem CID: 61396 IUPAC Name: N-ethyl-1-[(4-phenyldiazenylphenyl)diazenyl]naphthalen-2-amine SMILES: CCNC1=C(C2=CC=CC=C2C=C1)N=NC3=CC=C(C=C3)N=NC4=CC=CC=C4

EDGE
PubChem CID 61396
CAS 6368-72-5
Molecular Weight (g/mol) 379.467
MDL Number MFCD00003904
SMILES CCNC1=C(C2=CC=CC=C2C=C1)N=NC3=CC=C(C=C3)N=NC4=CC=CC=C4
Synonym C.I. 26050,N-Ethyl-1-[4-(phenylazo)phenylazo]-2-naphthylamine,Fat Red 7B,Solvent Red 19
IUPAC Name N-ethyl-1-[(4-phenyldiazenylphenyl)diazenyl]naphthalen-2-amine
InChI Key VKWNTWQXVLKCSG-UHFFFAOYSA-N
Molecular Formula C24H21N5
12

Thermo Scientific Chemicals Oil Red O

CAS: 1320-06-5 Molecular Formula: C26H24N4O Molecular Weight (g/mol): 408.51 MDL Number: MFCD00003898 InChI Key: HJAYEODIXUYVIC-LTFAAIOASA-N Synonym: C.I. 26125; Solvent Red 27 PubChem CID: 6046885 IUPAC Name: (1Z)-1-[[4-[(2,5-dimethylphenyl)diazenyl]-2,5-dimethylphenyl]hydrazinylidene]naphthalen-2-one SMILES: CC1=CC=C(C)C(=C1)N=NC1=CC(C)=C(N\N=C2/C(=O)C=CC3=CC=CC=C23)C=C1C

EDGE
PubChem CID 6046885
CAS 1320-06-5
Molecular Weight (g/mol) 408.51
MDL Number MFCD00003898
SMILES CC1=CC=C(C)C(=C1)N=NC1=CC(C)=C(N\N=C2/C(=O)C=CC3=CC=CC=C23)C=C1C
Synonym C.I. 26125; Solvent Red 27
IUPAC Name (1Z)-1-[[4-[(2,5-dimethylphenyl)diazenyl]-2,5-dimethylphenyl]hydrazinylidene]naphthalen-2-one
InChI Key HJAYEODIXUYVIC-LTFAAIOASA-N
Molecular Formula C26H24N4O
13

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
14

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
15

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

EDGE
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