Name:C.I.Acid Black 58,C.I.12230
Molecular Structure: Single azo,Metal Complexes
C.I.Acid Black 58,C.I.12230,CAS 12218-94-9/71839-85-5,399.42,C19H17N3O5S,Neutral Grey BL,Acid Grey BLN,Acid Grey GL,Irgalan Grey BL
Molecular Formula:C19H17N3O5S
Molecular Weight: 399.42
CAS Registry Number:12218-94-9/71839-85-5
Manufacturing Methods : 2-Amino-4-(methylsulfonyl)phenol diazo, and N-(7-hydroxynaphthalen-1-yl)acetamide coupling, and then turn it into 1:2 chromium complex.
Properties and Applications: blue ash. Used for wool, polyamide fiber, silk dyeing and printing, also used in leather color.
Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
Fading | Stain | Fading | Stain | Fading | Stain | |||
ISO | 6-7 | 4-5 | 5 | 5 | 5 | 5 | 5 | |
AATCC | 6-7 | 5 | 5 | 5 | 5 | 5 |