• Name

  Disperse Yellow 232

• EINECS 252-722-2
• CAS No. 35773-43-4
• Article Data6
• CAS DataBase
• Density 1.354 g/cm³
• Solubility
• Melting Point 195-196 °C(Solv: N,N-dimethylformamide (68-12-2))
• Formula C₂₀H₁₇ClN₂O₃
• Boiling Point 575.4 °C at 760 mmHg
• Molecular Weight 368.82
• Flash Point 301.8 °C
• Transport Information
• Appearance
• Safety
• Risk Codes
• Molecular Structure
• Hazard Symbols
• 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;
• PSA 59.48000
• LogP 5.10080

Synthetic route

17754-90-4

4-(Diethylamino)salicylaldehyde

105-56-6

ethyl 2-cyanoacetate

95-85-2

2-hydroxy-5-chloro-aniline

35773-43-4

3-(5-chloro-1,3-benzoxazol-2-yl)-7-(diethylamino)-2H-chromen-2-one

Conditions

Conditions	Yield
With benzoic acid In pentan-1-ol at 110℃; for 0.05h; Microwave irradiation;	92%
With oxalic acid; L-proline In ethanol at 85℃; for 12h; Schlenk technique;	83%
With acetic acid In glycerol at 80℃; for 14h; Schlenk technique; Green chemistry;	75%
In butan-1-ol for 7h; Reflux;	73%

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17754-90-4

4-(Diethylamino)salicylaldehyde

105-53-3

diethyl malonate

95-85-2

2-hydroxy-5-chloro-aniline

35773-43-4

3-(5-chloro-1,3-benzoxazol-2-yl)-7-(diethylamino)-2H-chromen-2-one

Conditions

Conditions	Yield
With pyrophosphoric acid at 100℃; for 0.1h; Microwave irradiation;	70%

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Disperse Yellow 232 Chemical Properties

Disperse Yellow 232 Specification