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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 (9,299)
Tissue Stain Blocking Reagents (81)

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1,741 – 1,755 of 7,251 results
1,741

Diphenylcarbazone-Bromophenol Blue, For Chloride, Certified, LabChem™

Linear Formula C13H14N4O
Color Orange
Physical Form Liquid
UN Number UN1993
Chemical Name or Material Diphenylcarbazone-Bromophenol Blue
Grade Certified
Identification Passes Test
Name Note For Chloride
CAS 115-39-9
Health Hazard 3 GHS P Statement
Keep away from heat, sparks, open flames, hot surfaces.
No smoking.
Keep container tightly closed.
Ground/bond container and receiving equipment.
Use explosion-proof electrical, ventilating, lighting equipment.
Use only non-sparking tools.
Take precautionary measures against static discharge.
Avoid breathing vapors.
Use only outdoors or in a well-ventilated area.
Wear eye protection, protective gloves.
Wash exposed skin thoroughly after handling.
If on skin (or hair): Remove/Take off immediately all contaminated clothing.
Rinse skin with water/shower.
If inhaled: Remove person to fresh air and keep comfortable for breathing.
Call a poison center/doctor if you feel unwell.
If in eyes: Rinse cautiously with water for several minutes.
Remove contact lenses, if present and easy to do.
Continue rinsing.
If eye irritation persists: Get medical advice/attention.
Store locked up in a cool, well-ventilated place.
Dispose of contents/container to comply with local, state and federal regulations.
Decomposition Information Sulfur compounds; Carbon monoxide; Carbon dioxide; May release flammable gases; Nitrogen oxides; Hydrogen bromide
Health Hazard 2 GHS H Statement
Highly flammable liquid and vapor.
Causes serious eye irritation.
May cause respiratory irritation.
Solubility Information Soluble in water
Health Hazard 1 Danger
Recommended Storage Room Temperature
Formula Weight 242.28
CAS Max % 0.05
Suitability Passes Test
1,742

Bromophenol Blue, 0.1% Aqueous, pH 3.0 to 4.6 Yellow to Blue, Certified, LabChem™

CAS: 62625-28-9 Molecular Formula: C19H9Br4NaO5S Molecular Weight (g/mol): 691.942 InChI Key: TWKDJMRHSLWRFI-UHFFFAOYSA-M PubChem CID: 3791690 IUPAC Name: sodium;2-[(3,5-dibromo-4-hydroxyphenyl)-(3,5-dibromo-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]benzenesulfonate SMILES: C1=CC=C(C(=C1)C(=C2C=C(C(=O)C(=C2)Br)Br)C3=CC(=C(C(=C3)Br)O)Br)S(=O)(=O)[O-].[Na+]

PubChem CID 3791690
CAS 62625-28-9
Molecular Weight (g/mol) 691.942
SMILES C1=CC=C(C(=C1)C(=C2C=C(C(=O)C(=C2)Br)Br)C3=CC(=C(C(=C3)Br)O)Br)S(=O)(=O)[O-].[Na+]
IUPAC Name sodium;2-[(3,5-dibromo-4-hydroxyphenyl)-(3,5-dibromo-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]benzenesulfonate
InChI Key TWKDJMRHSLWRFI-UHFFFAOYSA-M
Molecular Formula C19H9Br4NaO5S
1,743

Methyl Orange, Sodium Salt Grade, ACS Grade, LabChem™

CAS: 547-58-0 Molecular Formula: C14H14N3NaO3S Molecular Weight (g/mol): 327.334 InChI Key: STZCRXQWRGQSJD-UHFFFAOYSA-M 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
SMILES CN(C)C1=CC=C(C=C1)N=NC2=CC=C(C=C2)S(=O)(=O)[O-].[Na+]
IUPAC Name sodium;4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate
InChI Key STZCRXQWRGQSJD-UHFFFAOYSA-M
Molecular Formula C14H14N3NaO3S
1,744

Methylene Blue, 0.1% Aqueous, Certified, LabChem™

CAS: 61-73-4 Molecular Formula: C16H18ClN3S Molecular Weight (g/mol): 319.851 InChI Key: CXKWCBBOMKCUKX-UHFFFAOYSA-M PubChem CID: 6099 ChEBI: CHEBI:6872 IUPAC Name: [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride SMILES: CN(C)C1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C=C3S2.[Cl-]

PubChem CID 6099
CAS 61-73-4
Molecular Weight (g/mol) 319.851
ChEBI CHEBI:6872
SMILES CN(C)C1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C=C3S2.[Cl-]
IUPAC Name [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride
InChI Key CXKWCBBOMKCUKX-UHFFFAOYSA-M
Molecular Formula C16H18ClN3S
1,745

Crystal Violet, 1% (w/v) in Glacial Acetic Acid, for Non-Aqueous Titrations, Certified, LabChem™

CAS: 64-19-7 Molecular Formula: C2H4O2 Molecular Weight (g/mol): 60.05 MDL Number: MFCD00036152 InChI Key: QTBSBXVTEAMEQO-UHFFFAOYSA-N PubChem CID: 176 ChEBI: CHEBI:15366 IUPAC Name: acetic acid SMILES: CC(O)=O

PubChem CID 176
CAS 64-19-7
Molecular Weight (g/mol) 60.05
ChEBI CHEBI:15366
MDL Number MFCD00036152
SMILES CC(O)=O
IUPAC Name acetic acid
InChI Key QTBSBXVTEAMEQO-UHFFFAOYSA-N
Molecular Formula C2H4O2
1,746

Methyl Red, 0.1% Aqueous, pH 4.2 to 6.3 Pink to Yellow, Certified, LabChem™

CAS: 845-10-3 Molecular Formula: C15H14N3NaO2 Molecular Weight (g/mol): 291.286 InChI Key: GNTPCYMJCJNRQB-UHFFFAOYSA-M PubChem CID: 4465632 IUPAC Name: sodium;2-[[4-(dimethylamino)phenyl]diazenyl]benzoate SMILES: CN(C)C1=CC=C(C=C1)N=NC2=CC=CC=C2C(=O)[O-].[Na+]

PubChem CID 4465632
CAS 845-10-3
Molecular Weight (g/mol) 291.286
SMILES CN(C)C1=CC=C(C=C1)N=NC2=CC=CC=C2C(=O)[O-].[Na+]
IUPAC Name sodium;2-[[4-(dimethylamino)phenyl]diazenyl]benzoate
InChI Key GNTPCYMJCJNRQB-UHFFFAOYSA-M
Molecular Formula C15H14N3NaO2
1,747

Ferric Ammonium Sulfate, For Chloride (Volhard's Indicator), Certified, 8%, LabChem™

CAS: 7783-83-7 Molecular Formula: FeH28NO20S2 Molecular Weight (g/mol): 482.176 InChI Key: LCPUDZUWZDSKMX-UHFFFAOYSA-K PubChem CID: 197097 IUPAC Name: azanium;iron(3+);disulfate;dodecahydrate SMILES: [NH4+].O.O.O.O.O.O.O.O.O.O.O.O.[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[Fe+3]

PubChem CID 197097
CAS 7783-83-7
Molecular Weight (g/mol) 482.176
SMILES [NH4+].O.O.O.O.O.O.O.O.O.O.O.O.[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[Fe+3]
IUPAC Name azanium;iron(3+);disulfate;dodecahydrate
InChI Key LCPUDZUWZDSKMX-UHFFFAOYSA-K
Molecular Formula FeH28NO20S2
1,748

Congo Red, Reagent Grade, LabChem™

CAS: 573-58-0 Molecular Formula: C32H22N6Na2O6S2 Molecular Weight (g/mol): 696.664 InChI Key: IQFVPQOLBLOTPF-UHFFFAOYSA-L 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+]

PubChem CID 11313
CAS 573-58-0
Molecular Weight (g/mol) 696.664
ChEBI CHEBI:34653
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+]
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
1,749

Mopec™ Harmony Tissue Marking Dyes

Mopec™’s range of Harmony tissue marking dyes are used to permanently mark surgical tissue margins in Histological specimens. Marking dyes are available in 9 colors, with a standardized viscosity over the range.

Form Liquid
Product Type Tissue Marking Dye
Quantity 1 Bottle
1,750

Mopec™ Control Slides, Special Stains, Helico Bacteria (Pylori HP)

All positive control slides are on Mopec™ IHC Enhanced Hydrophilic Adhesive Slides using Formalin Fixed Paraffin Embedded (FFPE) human tissue.

Product Type Control Slide
1,751

Mopec™ Control Slides, Special Stains, Steiner-Steiner Stain

All positive control slides are on Mopec™ IHC Enhanced Hydrophilic Adhesive Slides using Formalin Fixed Paraffin Embedded (FFPE) human tissue.

Product Type Control Slide
1,752

Scigen Eosin-Y Alcoholic
SDP

An alcoholic eosin that allows for exceptional differentiation and contrast between cytoplas-mic components and nuclei.

1,753

Mopec™ Control Slides, Special Stains, Liver Tissue with Fungus (Periodic Acid Schiff)

All positive control slides are on Mopec™ IHC Enhanced Hydrophilic Adhesive Slides using Formalin Fixed Paraffin Embedded (FFPE) human tissue.

Product Type Control Slide
1,754

Mopec™ Control Slides, Special Stains, Collagen, Elastin, Muscle, Mucin and Fibrin

All positive control slides are on Mopec™ IHC Enhanced Hydrophilic Adhesive Slides using Formalin Fixed Paraffin Embedded (FFPE) human tissue.

Product Type Control Slide
1,755

Scigen Modified Harris Hematoxylin Stain
SDP

A regressive or progressive stain depending on your desired staining results, mercury-free, alcohol-free, no filtering required.