dye|World dye variety

Name:C.I.Direct Brown 222,C.I.30368

C.I.Direct Brown 222,C.I.30368,CAS 64743-15-3,722.68,C34H28N8Na2O6S,Direct Brown 3GA,Nippon Kagaku Direct Paper Brown,Paper Brown GL

Molecular Formula:C₃₄H₂₈N₈Na₂O₆S

Molecular Weight: 722.68

CAS Registry Number:64743-15-3

Manufacturing Methods : 3,3′-Dimethylbenzidine double nitriding,first coupled with 2-Hydroxybenzoic acid
, then and 4-Aminobenzenesulfonic acid diazo, and 4-Methylbenzene-1,3-diamine coupled to accidentally coupled nitrogen compounds.

Properties and Applications: dark yellow light brown. Mainly used for paper color.

List of Suppliers:

Direct Brown 3GA ( Mitsubishi Chemical Industries )

Nippon Kagaku Direct Paper Brown ( Kaseihin Kogyo Kyokai )

Paper Brown GL(Sinochem Liaoning Import & Export Corporation)