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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 (9,087)
Tissue Stain Blocking Reagents (83)

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Keyword Search:
181 – 195 of 7,017 results
181

Thermo Scientific Chemicals Malachite Green oxalate, pure, certified

CAS: 2437-29-8 Molecular Formula: C52H54N4O12 Molecular Weight (g/mol): 927.02 MDL Number: MFCD00011766,MFCD00151209 InChI Key: CNYGFPPAGUCRIC-UHFFFAOYSA-L Synonym: Basic Green 4,C.I. 42000 PubChem CID: 2724411 IUPAC Name: [4-[[4-(dimethylamino)phenyl]-phenylmethylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium;2-hydroxy-2-oxoacetate;oxalic acid SMILES: OC(=O)C(O)=O.OC(=O)C([O-])=O.OC(=O)C([O-])=O.CN(C)C1=CC=C(C=C1)[C+](C1=CC=CC=C1)C1=CC=C(C=C1)N(C)C.CN(C)C1=CC=C(C=C1)[C+](C1=CC=CC=C1)C1=CC=C(C=C1)N(C)C

PubChem CID 2724411
CAS 2437-29-8
Molecular Weight (g/mol) 927.02
MDL Number MFCD00011766,MFCD00151209
SMILES OC(=O)C(O)=O.OC(=O)C([O-])=O.OC(=O)C([O-])=O.CN(C)C1=CC=C(C=C1)[C+](C1=CC=CC=C1)C1=CC=C(C=C1)N(C)C.CN(C)C1=CC=C(C=C1)[C+](C1=CC=CC=C1)C1=CC=C(C=C1)N(C)C
Synonym Basic Green 4,C.I. 42000
IUPAC Name [4-[[4-(dimethylamino)phenyl]-phenylmethylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium;2-hydroxy-2-oxoacetate;oxalic acid
InChI Key CNYGFPPAGUCRIC-UHFFFAOYSA-L
Molecular Formula C52H54N4O12
182

Thermo Scientific Chemicals Thymolphthalein, pure, indicator

CAS: 125-20-2 Molecular Formula: C28H30O4 Molecular Weight (g/mol): 430.544 MDL Number: MFCD00005909 InChI Key: LDKDGDIWEUUXSH-UHFFFAOYSA-N Synonym: TP PubChem CID: 31316 IUPAC Name: 3,3-bis(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-2-benzofuran-1-one SMILES: CC1=CC(=C(C=C1C2(C3=CC=CC=C3C(=O)O2)C4=CC(=C(C=C4C)O)C(C)C)C(C)C)O

PubChem CID 31316
CAS 125-20-2
Molecular Weight (g/mol) 430.544
MDL Number MFCD00005909
SMILES CC1=CC(=C(C=C1C2(C3=CC=CC=C3C(=O)O2)C4=CC(=C(C=C4C)O)C(C)C)C(C)C)O
Synonym TP
IUPAC Name 3,3-bis(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-2-benzofuran-1-one
InChI Key LDKDGDIWEUUXSH-UHFFFAOYSA-N
Molecular Formula C28H30O4
183

Thermo Scientific Chemicals Alcian Blue 8GX, certified

CAS: 33864-99-2 Molecular Formula: C56H68Cl4CuN16S4 Molecular Weight (g/mol): 1298.86 MDL Number: MFCD00010720 InChI Key: XRWQTDIELZDCPS-UHFFFAOYSA-J Synonym: Ingrain Blue 1 PubChem CID: 17749099 IUPAC Name: (9Z,18Z,26Z,35Z)-4,14,22,32-tetrakis({[(dimethylamino)(dimethyliminiumyl)methyl]sulfanyl}methyl)-9,18,27,36,37,39,40,41-octaaza-38-cupradecacyclo[17.17.3.1¹⁰,¹⁷.1²⁸,³⁵.0²,⁷.0⁸,³⁷.0¹¹,¹⁶.0²⁰,²⁵.0²⁶,³⁹.0²⁹,³⁴]hentetraconta-1,3,5,7,9,11(16),12,14,17(41),18,20,22,24,26,28(40),29(34),30,32,35-nonadecaene-38,38-bis(ylium) tetrachloride SMILES: [Cl-].[Cl-].[Cl-].[Cl-].CN(C)C(SCC1=CC2=C(C=C1)\C1=N\C3=C4C=CC(CSC(N(C)C)=[N+](C)C)=CC4=C4\N=C5/N=C(/N=C6\N([Cu++]N34)\C(=N/C2=N1)C1=CC(CSC(N(C)C)=[N+](C)C)=CC=C61)C1=C5C=C(CSC(N(C)C)=[N+](C)C)C=C1)=[N+](C)C

PubChem CID 17749099
CAS 33864-99-2
Molecular Weight (g/mol) 1298.86
MDL Number MFCD00010720
SMILES [Cl-].[Cl-].[Cl-].[Cl-].CN(C)C(SCC1=CC2=C(C=C1)\C1=N\C3=C4C=CC(CSC(N(C)C)=[N+](C)C)=CC4=C4\N=C5/N=C(/N=C6\N([Cu++]N34)\C(=N/C2=N1)C1=CC(CSC(N(C)C)=[N+](C)C)=CC=C61)C1=C5C=C(CSC(N(C)C)=[N+](C)C)C=C1)=[N+](C)C
Synonym Ingrain Blue 1
IUPAC Name (9Z,18Z,26Z,35Z)-4,14,22,32-tetrakis({[(dimethylamino)(dimethyliminiumyl)methyl]sulfanyl}methyl)-9,18,27,36,37,39,40,41-octaaza-38-cupradecacyclo[17.17.3.1¹⁰,¹⁷.1²⁸,³⁵.0²,⁷.0⁸,³⁷.0¹¹,¹⁶.0²⁰,²⁵.0²⁶,³⁹.0²⁹,³⁴]hentetraconta-1,3,5,7,9,11(16),12,14,17(41),18,20,22,24,26,28(40),29(34),30,32,35-nonadecaene-38,38-bis(ylium) tetrachloride
InChI Key XRWQTDIELZDCPS-UHFFFAOYSA-J
Molecular Formula C56H68Cl4CuN16S4
184

Thermo Scientific Chemicals Crystal Violet, certified

CAS: 548-62-9 | C25H30ClN3 | 407.986 g/mol

Dye Content 88% min.
Absorption Ratio 0.98 to 1.2 (P-15/P+15)
Molecular Weight (g/mol) 407.986
Color Green
ChEBI CHEBI:41688
Physical Form Crystalline Powder
Chemical Name or Material Crystal Violet
Grade Certified
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
CAS 90-94-8
Infrared Spectrum Authentic
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.
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
185

Thermo Scientific™ Remel™ TB Malachite Green Counterstain
GSA_VA

Thermo Scientific™ Remel TB Malachite Green is a counterstain for TB Kinyoun stain procedure.

186

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
187

m-Cresol Purple

CAS: 2303-01-7 Molecular Formula: C21H18O5S Molecular Weight (g/mol): 382.43 MDL Number: MFCD00005871 InChI Key: OLQIKGSZDTXODA-UHFFFAOYSA-N Synonym: m-Cresolsulfonephthalein PubChem CID: 73030 IUPAC Name: 4-[3-(4-hydroxy-2-methylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-3-methylphenol SMILES: CC1=C(C=CC(=C1)O)C2(C3=CC=CC=C3S(=O)(=O)O2)C4=C(C=C(C=C4)O)C

PubChem CID 73030
CAS 2303-01-7
Molecular Weight (g/mol) 382.43
MDL Number MFCD00005871
SMILES CC1=C(C=CC(=C1)O)C2(C3=CC=CC=C3S(=O)(=O)O2)C4=C(C=C(C=C4)O)C
Synonym m-Cresolsulfonephthalein
IUPAC Name 4-[3-(4-hydroxy-2-methylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-3-methylphenol
InChI Key OLQIKGSZDTXODA-UHFFFAOYSA-N
Molecular Formula C21H18O5S
188

Thermo Scientific Chemicals Fluorescein, pure

CAS: 2321-07-5 Molecular Formula: C20H12O5 Molecular Weight (g/mol): 332.31 MDL Number: MFCD00005050 InChI Key: GNBHRKFJIUUOQI-UHFFFAOYSA-N PubChem CID: 16850 ChEBI: CHEBI:31624 IUPAC Name: 3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one SMILES: C1=CC=C2C(=C1)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O

PubChem CID 16850
CAS 2321-07-5
Molecular Weight (g/mol) 332.31
ChEBI CHEBI:31624
MDL Number MFCD00005050
SMILES C1=CC=C2C(=C1)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O
IUPAC Name 3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one
InChI Key GNBHRKFJIUUOQI-UHFFFAOYSA-N
Molecular Formula C20H12O5
189

Thermo Scientific Chemicals Hematoxylin, 85%, pure, certified

CAS: 517-28-2 Molecular Formula: C16H14O6 Molecular Weight (g/mol): 302.28 MDL Number: MFCD00078111 InChI Key: WZUVPPKBWHMQCE-WKTCHCBJNA-N Synonym: Natural Black 1,C.I. 75290 PubChem CID: 45029742 IUPAC Name: (6aR)-7,11b-dihydro-6H-indeno[2,1-c]chromene-3,4,6a,9,10-pentol SMILES: [H][C@]12C3=C(C[C@@]1(O)COC1=C2C=CC(O)=C1O)C=C(O)C(O)=C3

PubChem CID 45029742
CAS 517-28-2
Molecular Weight (g/mol) 302.28
MDL Number MFCD00078111
SMILES [H][C@]12C3=C(C[C@@]1(O)COC1=C2C=CC(O)=C1O)C=C(O)C(O)=C3
Synonym Natural Black 1,C.I. 75290
IUPAC Name (6aR)-7,11b-dihydro-6H-indeno[2,1-c]chromene-3,4,6a,9,10-pentol
InChI Key WZUVPPKBWHMQCE-WKTCHCBJNA-N
Molecular Formula C16H14O6
190

Thermo Scientific Chemicals Methyl Orange, pure, indicator

CAS: 547-58-0 Molecular Formula: C14H14N3NaO3S Molecular Weight (g/mol): 327.334 MDL Number: MFCD00007502 InChI Key: STZCRXQWRGQSJD-UHFFFAOYSA-M Synonym: 4-[4-(Dimethylamino)phenylazo]benzenesulfonic acid, sodium salt,Acid Orange 52,C.I. 13025,MO,Helianthise PubChem CID: 23673835 IUPAC Name: sodium;4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate SMILES: CN(C)C1=CC=C(C=C1)N=NC2=CC=C(C=C2)S(=O)(=O)[O-].[Na+]

PubChem CID 23673835
CAS 547-58-0
Molecular Weight (g/mol) 327.334
MDL Number MFCD00007502
SMILES CN(C)C1=CC=C(C=C1)N=NC2=CC=C(C=C2)S(=O)(=O)[O-].[Na+]
Synonym 4-[4-(Dimethylamino)phenylazo]benzenesulfonic acid, sodium salt,Acid Orange 52,C.I. 13025,MO,Helianthise
IUPAC Name sodium;4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate
InChI Key STZCRXQWRGQSJD-UHFFFAOYSA-M
Molecular Formula C14H14N3NaO3S
192

Coumarin, 99+%

CAS: 91-64-5 Molecular Formula: C9H6O2 Molecular Weight (g/mol): 146.15 MDL Number: MFCD00006850 InChI Key: ZYGHJZDHTFUPRJ-UHFFFAOYSA-N Synonym: 2H-1-Benzopyran-2-one PubChem CID: 323 ChEBI: CHEBI:28794 IUPAC Name: chromen-2-one SMILES: O=C1OC2=CC=CC=C2C=C1

PubChem CID 323
CAS 91-64-5
Molecular Weight (g/mol) 146.15
ChEBI CHEBI:28794
MDL Number MFCD00006850
SMILES O=C1OC2=CC=CC=C2C=C1
Synonym 2H-1-Benzopyran-2-one
IUPAC Name chromen-2-one
InChI Key ZYGHJZDHTFUPRJ-UHFFFAOYSA-N
Molecular Formula C9H6O2
194

Fisher Healthcare™ PROTOCOL™ Hema-G Stains for Geometric Data Hemastainer™
GSA_VA

Quality-control tested on human blood smears to ensure proper staining and absence of precipitate

For Use With (Equipment) Geometric data Hemastainer™
Shelf Life 1 Year
Storage Requirements Room Temperature
195

Fisher Healthcare™ Protocol™ HemaSpray™ Reagents for use with the Wescor™ Aerospray™ stainer
GSA_VA

Manufactured using a two-part aqueous Romanowsky stain formulation

Shelf Life 1 Year
Storage Requirements Room Temperature