ACID YELLOW 232
Acid dyes from our factory are well used in the industry of 
Textile, 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 Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 3-4 | 4 | 4-5 | 4 | 4-5 | 4-5 | ||
| Name: | Acid Yellow 232 |
| CAS: | 134687-50-6 |
| C.I. No.: | |
| Synonyms | 3-(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 Formula | C38H32N8Na2O8S2 |
| Molecular Weight | 838.82 |
| 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 |
| CAS Registry Number | |
| EINECS | 252-722-2 |
| Molecular Structure | 
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