Compound Q&A
What are the physical and chemical properties of Acid Blue 9 (CAS: 2650-18-2)?
Answer
Acid Blue 9 (CAS: 2650-18-2) is a water-soluble azo dye with a deep blue color. It has a molecular weight of approximately 662.3 g/mol. The dye is highly stable to light and heat, and it is moderately soluble in water. It shows good reactivity with cellulose fibers and has a high reactive potential with protein fibers. Acid Blue 9 is often used in the textile and paper industries due to its colorfastness and stability.
About
CAS No
2650-18-2
English Name
Acid Blue 9
Molecular Formula
C37H39N3O9S3
Molecular Weight
765.92 g/mol
SMILES
CC/[N+](=C/1\C=CC(=C(c2ccccc2S(=O)(=O)O)c2ccc(cc2)N(Cc2cccc(c2)S(=O)(=O)O)CC)C=C1)/Cc1cccc(c1)S(=O)(=O)[O-].N
InChIKey
HMEKVHWROSNWPD-UHFFFAOYSA-N
Last Updated: 2025-10-05 08:54
