201871

Direct yellow 27

• Empirical Formula (Hill Notation): C₂₅H₂₀N₄Na₂O₉S₃
• CAS Number: 10190-68-8
• Molecular Weight: 662.62
• Colour Index Number: 13950
• EC Number: 233-461-3
• MDL number: MFCD00005778
• UNSPSC Code: 12171500
• PubChem Substance ID: 24852026
• NACRES: NA.47

Properties

• form: powder
• Quality Level: 100
• λmax: 393 nm
• ε (extinction coefficient): 53000-57000 at 224-230 nm in water at 0.02 g/L
• application(s): diagnostic assay manufacturing; hematology; histology
• storage temp.: room temp
• SMILES string: [Na+].[Na+].COc1ccccc1NC(=O)C(\N=N\c2ccc(cc2S([O-])(=O)=O)-c3nc4ccc(C)c(c4s3)S([O-])(=O)=O)=C(/C)O
• InChI: 1S/C25H22N4O9S3.2Na/c1-13-8-10-18-22(23(13)41(35,36)37)39-25(27-18)15-9-11-17(20(12-15)40(32,33)34)28-29-21(14(2)30)24(31)26-16-6-4-5-7-19(16)38-3;;/h4-12,30H,1-3H3,(H,26,31)(H,32,33,34)(H,35,36,37);;/q;2*+1/p-2/b21-14-,29-28+;;
• InChI key: VHKQQPDOJAIOKS-NOBNIHJLSA-L

Description

General description

As a direct dye, Direct Yellow 27 is an acid dye with large molecules that will bind to cellulose fibers directly. It is mono azo dye with good light fastness.

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable