C.I. Vat Green 1 (C.I. 59825)??in the presence of sodium nitrite, bromide, fuming sulfuric acid, and avoid off meth.
An eye irritant. When heated to decomposition it emitsvery toxic fumes of Br-.
brilliant green. Variegated dark green powder. Soluble in 1, 2, 3, 4 – Tetrahydronaphthalene, there are green fluorescent, slightly soluble in 2 – Chlorophenol, not soluble in Acetone, Etanol, Chloroform, Pyridine and Toluene. In concentrated sulfuric acid to dark purple. Alkaline reduction leuco for blue; Acid reduction leuco for blue light red. Mainly used for cotton dyeing and printing paper and coloring.
Standard
|
Ironing Fastness
|
Chlorine bleach
|
Light Fastness
|
Mercerized
|
Oxygen bleach
|
Soaping
|
Fading
|
Stain
|
ISO
|
3
|
3
|
6-7
|
4-5
|
4-5
|
5
|
4
|
AATCC
|
5
|
4
|
6-7
|
4-5
|
4-5
|
|
|