Pigment Yellow 23
Name:C.I.Pigment Yellow 23,C.I.60520
Molecular Structure: anthraquinones
C.I.Pigment Yellow 23,C.I.60520,CAS 4981-43-5,343.33,C21H13NO4
Molecular Formula:C21H13NO4
Molecular Weight: 343.33
CAS Registry Number:4981-43-5
Manufacturing Methods :1-Aminoanthracene-9,10-dione and 2-Hydroxybenzoic acid condensation.
Properties and Applications: brilliant green yellow to brilliant yellow. Soluble in nitrobenzene and pyridine. In concentrated sulfuric acid for yellow red, yellow precipitation after dilution.
| Light Fastness | Heat resistance(℃ ) | Sodium carbonate(5%) | Muriatic acid(5%) | Oleic acid | PVC migration | Soap micelle bleeding | |
| Melting point | Stable | ||||||
| Well | Poor | No change | |||||
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