Staining Reagents

StatLab MasterTech 5% Sodium Thiosulfate

Used as a stop-bath to remove excess silver ions from tissue sections after silver staining techniques

Acid Yellow 36, TCI America™

CAS: 587-98-4 Molecular Formula: C18H14N3NaO3S Molecular Weight (g/mol): 375.378 MDL Number: MFCD00007486 InChI Key: NYGZLYXAPMMJTE-UHFFFAOYSA-M Synonym: Metanil Yellow PubChem CID: 3935589 ChEBI: CHEBI:87235 IUPAC Name: sodium;3-[(4-anilinophenyl)diazenyl]benzenesulfonate SMILES: C1=CC=C(C=C1)NC2=CC=C(C=C2)N=NC3=CC(=CC=C3)S(=O)(=O)[O-].[Na+]

Bromocresol Green-Methyl Red Mixed Indicator, Alcoholic, Ricca Chemical

m-Cresol Purple TS, 0.1% (w/v), Ricca Chemical

CAS: 62625-31-4

Food Green No. 3, TCI America™

CAS: 2353-45-9 Molecular Formula: C37H34N2Na2O10S3 Molecular Weight (g/mol): 808.84 MDL Number: MFCD00013053 InChI Key: XJBPDZVCYTYRIN-UHFFFAOYSA-L PubChem CID: 16887 IUPAC Name: disodium bis(4-{ethyl[(3-sulfonatophenyl)methyl]amino}phenyl)(4-hydroxy-2-sulfonatophenyl)methylium SMILES: [Na+].[Na+].CCN(CC1=CC=CC(=C1)S([O-])(=O)=O)C1=CC=C(C=C1)[C+](C1=CC=C(C=C1)N(CC)CC1=CC=CC(=C1)S([O-])(=O)=O)C1=CC=C(O)C=C1S([O-])(=O)=O

Hematoxylin Stain Solution, Modified Harris Formulation, Mercury Free Nuclear Stain, Ricca Chemical

For General Histology and Cytology

Bromocresol Green Sodium Salt 95.0+%, TCI America™

CAS: 67763-24-0 Molecular Formula: C21H13Br4NaO5S Molecular Weight (g/mol): 720.00 MDL Number: MFCD00148898 InChI Key: HEFSGAHJDGZCHA-UHFFFAOYNA-M Synonym: Bromocresol Blue Sodium Salt, Sodium Bromocresol Green PubChem CID: 23675901 IUPAC Name: sodium 2,6-dibromo-4-[3-(3,5-dibromo-4-hydroxy-2-methylphenyl)-1,1-dioxo-3H-2,1λ⁶-benzoxathiol-3-yl]-3-methylbenzen-1-olate SMILES: [Na+].CC1=C(Br)C(O)=C(Br)C=C1C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC(Br)=C([O-])C(Br)=C1C

Thymol Blue Indicator, 0.4% (w/v), Ricca Chemical

CAS: 62625-21-2 Molecular Formula: C27H29NaO5S Molecular Weight (g/mol): Mixture MDL Number: MFCD00151093 InChI Key: OCMIKNBSIRSUPI-FRWNMSGJSA-M PubChem CID: 23692293 IUPAC Name: sodium 2-{[4-hydroxy-2-methyl-5-(propan-2-yl)phenyl][(1E)-2-methyl-4-oxo-5-(propan-2-yl)cyclohexa-2,5-dien-1-ylidene]methyl}benzene-1-sulfonate SMILES: [Na+].CC(C)C1=C\C(=C(\C2=CC(C(C)C)=C(O)C=C2C)C2=C(C=CC=C2)S([O-])(=O)=O)C(C)=CC1=O

Basic Blue 17, TCI America™

CAS: 92-31-9 Molecular Formula: C15H16ClN3S Molecular Weight (g/mol): 305.82 MDL Number: MFCD00011934 InChI Key: HNONEKILPDHFOL-UHFFFAOYSA-M Synonym: Toluidine Blue PubChem CID: 7083 IUPAC Name: 3-amino-7-(dimethylamino)-2-methyl-5λ⁴-phenothiazin-5-ylium chloride SMILES: [Cl-].CN(C)C1=CC=C2N=C3C=C(C)C(N)=CC3=[S+]C2=C1

Food Yellow No. 4, TCI America™

CAS: 1934-21-0 Molecular Formula: C16H9N4Na3O9S2 Molecular Weight (g/mol): 534.356 MDL Number: MFCD00148908 InChI Key: UJMBCXLDXJUMFB-UHFFFAOYSA-K PubChem CID: 164825 IUPAC Name: trisodium;5-oxo-1-(4-sulfonatophenyl)-4-[(4-sulfonatophenyl)diazenyl]-4H-pyrazole-3-carboxylate SMILES: C1=CC(=CC=C1N=NC2C(=NN(C2=O)C3=CC=C(C=C3)S(=O)(=O)[O-])C(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+]

Bromophenol Blue (0.04% in Water) [for pH Determination], TCI America™

MDL Number: MFCD00005875

Bromocresol Green, TCI America™

CAS: 76-60-8 Molecular Formula: C21H14Br4O5S Molecular Weight (g/mol): 698.014 MDL Number: MFCD00005874 InChI Key: FRPHFZCDPYBUAU-UHFFFAOYSA-N Synonym: Bromocresol Blue 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

StatLab MasterTech 2.5% Gum Mastic Solution

Used for the demonstration of spirochetes, such as those associated with Lyme disease, and other nonfilamentous bacteria

Mixed Indicator Solution, Methyl Red-Methylene Blue, Ricca Chemical

StatLab PathMark Margin Marker

Tissue marking dye with 2 oz. bottle, avaialble in orange color