29556-33-0
Chemical Structure
Basic yellow 40
Synonym(s): Coumarin 40
- CAS No.: 29556-33-0
- Formula:C22H24ClN3O2
- Molecular Weight:397.90
IUPAC Name: 2-(7-(diethylamino)-2-oxo-2H-chromen-3-yl)-1,3-dimethyl-1H-benzo[d]imidazol-3-ium chloride
InChIKey: LCVNGSHJQQOSDB-UHFFFAOYSA-M
SMILES: C[N+]1=C(C2=CC3=CC=C(N(CC)CC)C=C3OC2=O)N(C)C4=CC=CC=C14.[Cl-]
Biological Activity: Basic yellow 40 (Coumarin 40) is a heterocyclic cationic dye. Basic yellow 40 is mainly used for dyeing acrylic textiles and for fingerprint development. Basic yellow 40 exhibits a UV-Vis absorption maximum at 431 nm[1][2].
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Basic yellow 40 | Basic yellow 40 (Coumarin 40) is a heterocyclic cationic dye. Basic yellow 40 is mainly used for dyeing acrylic textiles and for fingerprint development. Basic yellow 40 exhibits a UV-Vis absorption maximum at 431 nm. | |||||||||||||||||||||
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References
- [1]. Ho Y S, et al. Removal of basic dye from aqueous solution using tree fern as a biosorbent[J]. Process Biochemistry, 2005, 40(1): 119-124.
- [2]. Wawrzkiewicz M, et al. Amylomaize starch-modified polymeric adsorbents: synthesis, thermal characterization, and adsorption performance for CI Basic Yellow 40[J]. Journal of Thermal Analysis and Calorimetry, 2026: 1-17.