Preparation
2-Aminobenzoic acid diazotization and 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one coupling, and then in Formamide solution in 113 ~ 115 ℃, and Chromium formate heating 6 hours, form Chromium complex, 1 mol chrome on 2 Moore dye.
Properties and Applications
red light yellow. With C.I. Acid Yellow 121, C.I. Solvent Yellow 21 and the same chemical structure. Used for alcohol esters solvent tinting; Also used in alcohol soluble paint and nitro paint color.
|
Standard
|
Light Fastness
|
Heat-resistant(℃)
|
water
|
Sodium Carbonate(5%)
|
Hydrochloric acid(5%)
|
|
Melting point
|
Stable
|
|
ISO
|
Well
|
|
200
|
Insoluble
|
Insoluble
|
Insoluble
|
