Vat Brown 23
Name:C.I.Vat Brown 23,C.I.65250
Molecular Structure: anthraquinones
Molecular Formula:
Molecular Weight:
CAS Registry Number:1328-26-3
Manufacturing Methods : 2-Aminoanthracene-9,10-dione with sulfuric acid and copper powder processing.
Properties and Applications: dark brown. Soluble in 1, 2, 3, 4 – Tetrahydronaphthalene, Xylene. In concentrated sulfuric acid to dark brown, dilution after dark brown precipitation; In the basic insurance powder solution for grey; In the acidic insurance powder solution for dark purple.
| Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
| Fading | Stain | ||||||
| ISO | 4 | 1-2 | 5-6 | 4-5 | 2 | 4-5 | 2 |
| AATCC | 5 | 1 | 4-5 | 4-5 | 1 | ||
List of Suppliers:
Brown LG (Hangzhou Dikai Chemical Co Ltd)
Indanthrene Brown B( Badische Anilin-und Soda Fabrik )