Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name:C.I.Pigment Blue 17,C.I.74180/74200

Molecular Structure: Phthalocyanine

C.I.Pigment Blue 17,C.I.74180,74200,CAS 71799-04-7,736.20,C32H16CuN8O6S2,Fast Sky Blue Lake 4230,Fast Sky Blue Lake,Pigment Sky Blue Lake

Molecular Formula:C₃₂H₁₆CuN₈O₆S₂

Molecular Weight: 736.20

CAS Registry Number:71799-04-7

Manufacturing Methods :Copper phthalocyanine with 40% SULFURIC ACID heated above 60 ℃ di-or tri-sulfonated,And then into barium salt (three sulfonated product rubbing fastness is better than two sulfonation products, but the washing fastness as two sulfonation products)

Properties and Applications:brilliant green light blue. In concentrated sulfuric acid for green, dilution for green blue, and olive green precipitation. The pigment goods contains C.I. 74180:1. and C.I.Direct Blue 87 the same chemical structure.

List of Suppliers:

Everbright Fast Sky Blue Lake 4230 (Sinochem Shanghai I/E Corp/Schecho PuDong Corporation)

Fast Sky Blue Lake( Shaanxi Foreign Tade )

Fast Sky Lake (Sinochem Ningbo Imp & Exp Corp)

Pigment Sky Blue Lake(Fenchem Enterprises Ltd)

Seikalight Blue A612(Dainichiseika Color & Chemicals)