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Pigment Blue 11

Name:C.I.Pigment Blue 11,C.I.44040:2

Molecular Structure: triarylmethane

C.I.Pigment Blue 11,C.I.44040:2,CAS 71798-704,458.04,C29H32ClN3,Rubber Blue YD

C.I.Pigment Blue 11,C.I.44040:2,CAS 71798-704,458.04,C29H32ClN3,Rubber Blue YD

Molecular Formula:C29H32ClN3

Molecular Weight: 458.04

CAS Registry Number:71798-704

Manufacturing Methods :(a) Bis (4 – (dimethylamino) phenyl) methanol and N-Ethylnaphthalen-1-amine condensation, and make the product into N – nitroso derivatives, and oxidation, remove nitroso, reoccupy phosphomolybdic acid, phosphotungstic acid or phosphorus molybdenum acid lake change; (b)  4-(Dichloro(4-(dimethylamino)phenyl)methyl)-N,N-dimethylbenzenamine and N-Ethylnaphthalen-1-amine condensation, reoccupy phosphomolybdic acid, phosphotungstic acid or phosphorus molybdenum acid lake change.

Properties and Applications:brilliant red light blue. Soluble in hot water and ethanol for blue, slightly soluble in cold water is blue. In concentrated sulfuric acid for brown light yellow, dilute the bright green and blue. Pigment solution to join sodium hydroxide with brown floc precipitation. And C.I.Basic Blue 11C.I.Solvent Blue 6,C.I.Pigment Blue 10and the same chemical structure.

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

List of Suppliers:

Rubber Blue YD (du Pont E.I. de Nemours & Co. Inc.)


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