Acid Red 32
Name:C.I.Acid Red 32,C.I.17065
Molecular Structure: Single azo class
Molecular Formula:C26H24N5NaO7S2
Molecular Weight: 605.62
CAS Registry Number:6360-10-7
Manufacturing Methods : 2-Amino-5-nitro-N-ethylbenzenesulfonanilide diazo, and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid in acid conditions coupled with the method will nitro reductive into groups, then the azo group with acetylated amino group on the bit.
Properties and Applications: blue-ray red. Soluble in water for red, soluble in ethanol purplish red color. The strong sulfuric acid for pink, to orange diluted. In water solution to join strong hydrochloric acid for red; Add thick sodium hydroxide solution for purple.
Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
Fading | Stain | Fading | Stain | Fading | Stain | |||
ISO | 6 | 3 | 3 | 3-4 | 1 | 1 | 3-4 | 2 |
AATCC | 6 | 2 | 2 | 2-3 | 2 | 2 | 4 | 4 |
List of Suppliers:
Orcoacid Fast Light Rubine BL( Classic Dyestuffs Inc )
Supemylite Rubine BLA( Classic Dyestuffs Inc )
[…] C.I.Acid Red 32 […]