861286

Orange G

certified by the Biological Stain Commission, Dye content 80 %

• Synonym(s): 1-Phenylazo-2-naphthol-6,8-disulfonic acid disodium salt, 7-Hydroxy-8-phenylazo-1,3-naphthalenedisulfonic acid disodium salt, Acid Orange 10, Wool Orange 2G
• Empirical Formula (Hill Notation): C₁₆H₁₀N₂Na₂O₇S₂
• CAS Number: 1936-15-8
• Molecular Weight: 452.37
• Colour Index Number: 16230
• Beilstein: 4120705
• EC Number: 217-705-6
• MDL number: MFCD00012457
• UNSPSC Code: 12171500
• PubChem Substance ID: 329769438
• NACRES: NA.47

Properties

• grade: certified by the Biological Stain Commission
• Quality Level: 200
• form: powder
• composition: Dye content, 80%
• color: orange to very dark orange, and Red to Very Dark Red and Orange-Red and Red-Orange and Dark Red-Orange
• solubility: H₂O: 1 mg/mL
• λmax: 475 nm
• ε (extinction coefficient): ≥10000 at 329-331 nm in H₂O; ≥17000 at 473-479 nm in H₂O; ≥20500 at 246-250 nm in H₂O
• application(s): diagnostic assay manufacturing; hematology; histology
• storage temp.: room temp
• SMILES string: [Na+].[Na+].Oc1ccc2cc(cc(c2c1\N=N\c3ccccc3)S([O-])(=O)=O)S([O-])(=O)=O
• InChI: 1S/C16H12N2O7S2.2Na/c19-13-7-6-10-8-12(26(20,21)22)9-14(27(23,24)25)15(10)16(13)18-17-11-4-2-1-3-5-11;;/h1-9,19H,(H,20,21,22)(H,23,24,25);;/q;2*+1/p-2/b18-17+;;
• InChI key: HSXUHWZMNJHFRV-QIKYXUGXSA-L

Description

Application

Collagen stain for connective tissue. Used with Orcein, Alizarin Blue 2B, and Fast Green FCF in Kornhauser′s quadruple stain for most elementary structures of tissues.

Biochem/physiol Actions

Orange G is used in collagen stain for connective tissue. It is used with Orcein, Alizarin Blue 2B, and Fast Green FCF in Kornhauser′s quadruple stain for most elementary structures of tissues. It is also used along with acid fuchsin and light green in masson trichrome stain for the staining of cellular structures, red blood cells and muscle cells.

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves