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Pigment Blue 2

Name:C.I.Pigment Blue 2,C.I.44045:2

Molecular Structure: triarylmethane

C.I.Pigment Blue 2,C.I.44045:2,CAS 1325-94-6,470.63,C33H32N3

C.I.Pigment Blue 2,C.I.44045:2,CAS 1325-94-6,470.63,C33H32N3

Molecular Formula:C33H32N3

Molecular Weight: 470.63

CAS Registry Number:1325-94-6

Manufacturing Methods :4-(Dichloro(4-(dimethylamino)phenyl)methyl)-N,N-dimethylbenzenamine and Naphthalen-1-amine condensation, then use phosphorus molybdenum acid lake change; (b) Bis (4 – (dimethylamino) phenyl) methanol and Naphthalen-1-amine condensation, the product into N- nitroso derivatives and oxidation, remove nitroso, then use phosphorus molybdenum acid lake change.

Properties and Applications:brilliant blue. Soluble in water is blue, soluble in ethanol for blue. In concentrated sulfuric acid for the red light brown, after dilution from yellow to green and then to blue. Dye aqueous solution to join sodium hydroxide have dark red light brown precipitation. And C.I.Basic Blue 26 and the same 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
GoodWell 150 General Good Good Bleeding

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