Acid Yellow 118
Name:C.I.Acid Yellow 118
Molecular Structure: Single azo,1:2 Cobalt complexes
Molecular Formula:C16H14N3NaO6S
Molecular Weight: 399.35
CAS Registry Number:5601-29-6/12270-05-2
Manufacturing Methods : 3-Amino-4-hydroxybenzenesulfonic acid diazo, and 3-Oxo-N-phenylbutanamide coupling, and then and chlorinated cobalt complexation and filtering.
Properties and Applications: the original dyes as deep yellow powder. Slightly soluble in water, soluble in ethylene glycol ether and DMF and organic solvent such as ethanol, soluble in organic solvent for tan after solution is finished product. Mainly used for pigskin, such as cow leather, goat natural leather finishing the spray or curtains, especially suitable for aniline leather spraying shading.
Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
Fading | Stain | Fading | Stain | Fading | Stain | |||
ISO | ||||||||
AATCC |
List of Suppliers:
Leather Coating Yellow Gl Qingdao Double Peach Specialty Chemicals (Group) Co., Ltd.,