Vat Black 7
Name:C.I.Vat Black 7,C.I.59850
Molecular Structure: Violanthrone
C.I.Vat Black 7,C.I.59850,CAS 12262-53-2,501.49,C34H15NO4,Cibanon Black 2BA,Cibanone Black 3BH
Molecular Formula:C34H15NO4
Molecular Weight: 501.49
CAS Registry Number:12262-53-2
Manufacturing Methods : Dinaphtho[1,2,3-cd:3′,2′,1′-lm]perylene-5,10-dione suspension in Acetic acid glacial or 40 chloroacetic acid in nitrification.
Properties and Applications: green black. Soluble in 2 – Chlorophenol, 1, 2, 3, 4 – Tetrahydronaphthalene, Xylene, slightly soluble in Acetone, Chloroform, Pyridine , Toluene, insoluble in Etanol. In concentrated sulfuric acid to dark purple, dilution after dark purple precipitation; In concentrated nitric acid for green, In the basic insurance powder solution for purple; In the acidic insurance powder solution for wine.
| Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
| Fading | Stain | ||||||
| ISO | 5 | 5 | 7-8 | 5 | 4 | 5 | 5 |
List of Suppliers:
Cibanon Black 2BA( Ciba Specialty Chemicals Inc )
Cibanone Black 3BH( Ciba Specialty Chemicals Inc )