Compound Q&A
What are the physical and chemical properties of Disperse Orange 3 (CAS: 730-40-5)?
Answer
Disperse Orange 3 (CAS: 730-40-5) is a water-insoluble dye used in the textile and paper industries. It has a molecular weight of approximately 476.39 g/mol and exhibits excellent light and wash fastness. The dye is crystalline with a melting point of around 220-225°C. It is slightly soluble in water but highly soluble in organic solvents like ethanol and acetone. The dye is stable under neutral to slightly acidic conditions but can be affected by strong bases and oxidizing agents.
About
CAS No
730-40-5
English Name
Disperse Orange 3
Molecular Formula
C12H10N4O2
Molecular Weight
242.23 g/mol
SMILES
Nc1ccc(cc1)N=Nc1ccc(cc1)[N+](=O)[O-]
InChIKey
UNBOSJFEZZJZLR-CCEZHUSRSA-N
Last Updated: 2025-10-19 20:30
