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Pigment Green 12

Name:C.I.Pigment Green 12,C.I.10020:1

Molecular Structure: naphthoquinone

C.I.Pigment Green 12,C.I.10020:1,CAS 84682-41-7,253.23,C10H7NO5S

C.I.Pigment Green 12,C.I.10020:1,CAS 84682-41-7,253.23,C10H7NO5S

Molecular Formula:C10H7NO5S

Molecular Weight: 253.23

CAS Registry Number:84682-41-7

Manufacturing Methods :6-Hydroxynaphthalene-2-sulfonic acid on nitrosation, and conversion to iron complex of barium salt.

Properties and Applications: deep green. Soluble in water for yellow green, long time placed decomposition. In concentrated sulfuric acid for yellow brown, dilution to yellow, then Red prussiate precipitation. Pigment solution to join naoh into blue green. And C.I.Acid Green 1 the same chemical structure (iron complex barium salt).

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

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