Name:C.I.Acid Green 1,C.I.10020
Molecular Structure: nitroso class
C.I.Acid Green 1,C.I.10020,CAS 19381-50-1,878.46,C30H15FeN3Na3O15S3,Napthol Green B,Acid Green PXC
Molecular Formula:C30H15FeN3Na3O15S3
Molecular Weight: 878.46
CAS Registry Number:19381-50-1
Manufacturing Methods : 6-Hydroxynaphthalene-2-sulfonic acid on nitrosation, and transformed to iron sodium salt.
Properties and Applications: Yellow green. Green powder, to sunlight (infrared light) has excellent absorption and excellent light fastness, in a saturated salt solution in a good solubility and stability. Often in the water as yellow green. Case of concentrated sulfuric acid was yellow brown, diluted yellow. Its aqueous sodium hydroxide as blue green. Mainly used in solar salt industry and wool, silk and nylon fabric dyeing and printing, can also be used for leather dyeing.
Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
Fading | Stain | Fading | Stain | Fading | Stain | |||
ISO | 7 | 3 | 3-4 | 3-4 | 4 | |||
AATCC | 6-7 | 2-3 | 3-4 | 2 | 4- | |||
