Solvent Yellow 9
Name:C.I.Solvent Yellow 9,C.I.11870
Molecular Structure: Single azo class
C.I.Solvent Yellow 9,C.I.11870,CAS 6370-44-1,256.30,C15H16N2O2,Orgalol Yellow PC
Molecular Formula:C15H16N2O2
Molecular Weight: 256.30
CAS Registry Number:6370-44-1
Manufacturing Methods : 4-Ethoxybenzenamine diazotization, and p-Cresol coupling.
Properties and Applications: red light yellow. Melting point is 103 ~ 104 ℃. Soluble in Etanol, Acetone and Benzene. In concentrated sulfuric acid to dark brown, and then into orange, dilution still for orange; In a dilute Sodium hydroxide solution for orange.
| Standard | Light Fastness | Heat-resistant(℃) | water | Sodium Carbonate(5%) | Hydrochloric acid(5%) | |
| Melting point | Stable | |||||
| ISO | Good | 103～104 | Indissolvable | |||
List of Suppliers:
Orgalol Yellow PC( Francolor Pigments SA )