Direct Brown 222
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.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 2 | 1 | 1 | 3 | 2 | 4 | 3-4 |
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)