201901

Chrysophenine

Dye content 65 %

• Synonym(s): Direct Yellow 12
• Empirical Formula (Hill Notation): C₃₀H₂₆N₄Na₂O₈S₂
• CAS Number: 2870-32-8
• Molecular Weight: 680.66
• Colour Index Number: 24895
• EC Number: 220-698-2
• MDL number: MFCD00007488
• UNSPSC Code: 12171500
• PubChem Substance ID: 24852029
• NACRES: NA.47

Properties

• form: powder
• composition: Dye content, 65%
• λmax: 389 nm
• ε (extinction coefficient): ≥29000 at 389-401 nm in water at 0.02 g/L
• application(s): diagnostic assay manufacturing; hematology; histology
• storage temp.: room temp
• SMILES string: [Na+].[Na+].CCOc1ccc(cc1)\N=N\c2ccc(\C=C\c3ccc(cc3S([O-])(=O)=O)\N=N\c4ccc(OCC)cc4)c(c2)S([O-])(=O)=O
• InChI: 1S/C30H28N4O8S2.2Na/c1-3-41-27-15-11-23(12-16-27)31-33-25-9-7-21(29(19-25)43(35,36)37)5-6-22-8-10-26(20-30(22)44(38,39)40)34-32-24-13-17-28(18-14-24)42-4-2;;/h5-20H,3-4H2,1-2H3,(H,35,36,37)(H,38,39,40);;/q;2*+1/p-2/b6-5+,33-31+,34-32+;;
• InChI key: YQMJDPHTMKUEHG-RNVLWOMCSA-L

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable