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Pigment Blue 3

Name:C.I.Pigment Blue 3,C.I.42140:1

Molecular Structure: triarylmethane

C.I.Pigment Blue 3,C.I.42140:1,CAS 1325-79-7,391.96,C25H28ClN2

C.I.Pigment Blue 3,C.I.42140:1,CAS 1325-79-7,391.96,C25H28ClN2

Molecular Formula:C25H28ClN2

Molecular Weight: 391.96

CAS Registry Number:1325-79-7

Manufacturing Methods :2-Chlorobenzaldehyde andN-ethyl-2-methylbenzenamine condensation, then product oxidation, reoccupy phosphorus molybdenum acid lake change.

Properties and Applications:brilliant blue. Soluble in hot water for the green, soluble in ethanol. In concentrated sulfuric acid for the red light yellow, yellow green for diluted. Its aqueous solution to join sodium hydroxide have brown light yellow precipitation. And the same C.I.Basic Blue 5 chemical structure (phosphorus molybdenum acid salt).

Light Fastness Heat resistance(℃ ) Sodium carbonate(5%) Muriatic acid(5%) Oleic acid PVC migration Soap micelle bleeding
Melting point Stable
Good 150 Good Good Well Bleeding

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