Pigment Blue 12
Name:C.I.Pigment Blue 12,C.I.42130
Molecular Structure: triarylmethane
Molecular Formula:C25H27Cl2N2+
Molecular Weight: 426.40
CAS Registry Number:1325-77-5
Manufacturing Methods :2,5-Dichlorobenzaldehyde and N-ethyl-2-methylbenzenamine condensation, and will product oxidation, reoccupy phosphorus molybdenum acid lake change.
Properties and Applications:brilliant blue. Soluble in hot water for green blue, soluble in ethanol for blue. In concentrated sulfuric acid for yellow, green precipitation after dilution. Pigment solution to join sodium hydroxide have yellow orange precipitation.
Light Fastness | Heat resistance(℃ ) | Sodium carbonate(5%) | Muriatic acid(5%) | Oleic acid | PVC migration | Soap micelle bleeding | |
Melting point | Stable | ||||||
Good | General | Poor | Good | Serious |
List of Suppliers:
Permanent Peacock Blue R Toner(Ridgeway Color & Chemical Division)
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