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Pigment Blue 64

Name:C.I.Pigment Blue 64,C.I.69825

Molecular Structure: anthraquinones

C.I.Pigment Blue 64,C.I.69825,CAS 130-20-1,511.31,C28H12Cl2N2O4

C.I.Pigment Blue 64,C.I.69825,CAS 130-20-1,511.31,C28H12Cl2N2O4

Molecular Formula:C28H12Cl2N2O4

Molecular Weight: 511.31

CAS Registry Number:130-20-1

Manufacturing Methods :(a) will Anthraquinone Blue chlorinated, method is (1) and SULFURIC ACID and where did hydrochloric ACID effect; (2) and Sulfuryl chloride azeotropic; (3) and Benzoyl chloride, Copper and 1-Nitrobenzene action; (b) Phthalic anhydride and Chlorobenzene condensation, the product of chlorinated benzene methyl acyl benzoic acid nitration, reduction of nitro, cyclization, product 2-Amino-3-chloroanthracene-9,10-dione bromination and will last a 2-Amino-1-bromo-3-chloroanthracene-9,10-diorne bromination and will last 2-Amino-1,3-dibromoanthraquinone in copper catalyst and tie acid agent under the existence of condensation, (C) 2-Amino-1,3-dichloroanthraquinone in tie acid agent and Cuprous halide presence heating; (d) in an inert solvent with Sulfuryl chloride processing C.I.Vat Blue 11 (C.I. 69815), and the formation of the complex decomposition. Note: (b) method for product, improve the reducibility and levelness, it easier to generate leuco sulfate.

Properties and Applications: blue. Slightly soluble in Chloroform heat, heat Azabenzene and 2 – Chlorophenol, not soluble in ethanol, acetone and toluene. In concentrated sulfuric acid for brown, dilution for blue; In the basic insurance powder solution for green blue; In the acidic insurance powder solution for red light blue. With C.I. VAT blue 6 and the same chemical structure.

Light Fastness Heat resistance(℃ ) Sodium carbonate(5%) Muriatic acid(5%) Oleic acid PVC migration Soap micelle bleeding
Melting point Stable
Excellent Good to 200 Good Good Slightly

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