201960

Acid Yellow 25

Dye content 40 %

• Empirical Formula (Hill Notation): C₂₃H₂₀N₅NaO₆S₂
• CAS Number: 6359-85-9
• Molecular Weight: 549.55
• Colour Index Number: 18835
• EC Number: 228-810-1
• MDL number: MFCD00003121
• UNSPSC Code: 12171500
• PubChem Substance ID: 24852030
• NACRES: NA.47

Properties

• form: powder
• composition: Dye content, 40%
• λmax: 392 nm
• ε (extinction coefficient): 13200 at 259 nm in H₂O at 0.03 g/L
• application(s): diagnostic assay manufacturing; hematology; histology
• storage temp.: room temp
• SMILES string: [Na+].Cc1ccc(cc1S(=O)(=O)Nc2ccccc2)\N=N\c3c(C)nn(c3O)-c4ccc(cc4)S([O-])(=O)=O
• InChI: 1S/C23H21N5O6S2.Na/c1-15-8-9-18(14-21(15)35(30,31)27-17-6-4-3-5-7-17)24-25-22-16(2)26-28(23(22)29)19-10-12-20(13-11-19)36(32,33)34;/h3-14,27,29H,1-2H3,(H,32,33,34);/q;+1/p-1/b25-24+;
• InChI key: VKLQVFKYJGXGKQ-QREUMGABSA-M

Safety Information

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