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Acid dyes from our factory are well used in the industry of Yellow Acid 232Textile, Plastic, Food, ink and Cosmetics, for customers from Ahmedabad, India. Our Company always devote ourselves to provding excellent quality products and professional service to help our clients to high performance, high effiency and less cost, so as to make our clients increase their market competition advantage.

Acid Yellow 232 Specification :

IUPAC Name: 3-(5-Chloro-1,3-benzoxazol-2-yl)-7-(diethylamino)chromen-2-one
Molecular Formula: C20H17ClN2O3
Molecular Weight: 368.81 g/mol
Canonical SMILES: O=c1c(c2nc3cc(Cl)ccc3o2)cc2ccc(N(CC)CC)cc2o1
InChI: InChI=1/C20H17ClN2O3/c1-3-23(4-2)14-7-5-12-9-15(20(24)26-18(12)11-14)19-22-16-10-13(21)6-8-17(16)25-19/h5-11H,3-4H2,1-2H3
EINECS: 252-722-2
XLogP3-AA: 4.9
H-Bond Donor: 0
H-Bond Acceptor: 5
Index of Refraction: 1.663
Molar Refractivity: 100.91 cm3
Molar Volume: 272.3 cm3
Polarizability: 40×10-24 cm3
Surface Tension: 58.5 dyne/cm
Density: 1.354 g/cm3
Flash Point: 301.8 °C

Properties and Applications:

black. Mainly used for the polyamide fiber dyeing and printing

Standard(Polyamide)Light FastnessSoapingPersperation FastnessOxygen bleachingFastness to seawater


Name:Acid Yellow 232
C.I. No.:
Synonyms3-(5-Chlorobenzoxazol-2-yl)-7-(diethylamino)-2-benzopyrone ; 3-(5-Chlorobenzoxazol-2-yl)-7-diethylaminocoumarin;C.I. Disperse Yellow 232;C.I. Solvent Yellow 160:1;2H-1-Benzopyran-2-one, 3-(5-chloro-2-benzoxazolyl)-7-(diethylamino)-;Macrolex Fl Yellow 10GN;Macrolex fluorescent yellow;
Molecular FormulaC38H32N8Na2O8S2
Molecular Weight838.82
CAS Registry Number
Molecular StructureAcid Black 232

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