Complaint
Name:C.I.Solvent Orange 3,C.I.11270:1
Molecular Structure: Single azo class
C.I.Solvent Orange 3,C.I.11270:1,CAS 495-45-5,212.25,C12H12N4,Oil orange Y,Chrysoidine Y,Chrysoidine Y Base
Molecular Formula:C12H12N4
Molecular Weight: 212.25
CAS Registry Number:495-45-5
Manufacturing Methods : aniline diazotization, and Benzene-1,3-diaminecoupling.
Properties and Applications: dark yellow orange. Melting point is 118 ~ 118.5 ºC. Soluble in water for yellow orange, soluble in ethanol and Cellosolve, slightly soluble in acetone, insoluble in benzene. In concentrated sulfuric acid to yellow, to orange after diluted; In nitric acid for orange solution.
| Standard | Light Fastness | Heat-resistant(ºC) | water | Sodium Carbonate(5%) | Hydrochloric acid(5%) | |
| Melting point | Stable | |||||
| ISO | Poor | 118 ~ 118.5 | 90≥194
Sublimation | Poor | Poor | Dissolve |
