必应染料-您身边的染料专家

Direct Red 122

Name:C.I.Direct Red 122,C.I.29210

Molecular Structure: Double azo class

C.I.Direct Red 122,C.I.29210,CAS 6420-46-8,786.7,C33H24N8Na2O9S2

C.I.Direct Red 122,C.I.29210,CAS 6420-46-8,786.7,C33H24N8Na2O9S2

Molecular Formula:C33H24N8Na2O9S2

Molecular Weight: 786.7

CAS Registry Number:6420-46-8

Manufacturing Methods : N-(3-aminophenyl)formamide (2 Moore) diazo, and N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea coupling, and then hydrolysis formex amino.

Properties and Applications: red. Soluble in water for red, slightly soluble in alcohol for Shallow red brown, insoluble in other organic solvents. The strong sulfuric acid for quality in red, with golden yellow to orange after diluted, orange precipitation; In nitric acid for red brown, then to yellow. The dye solution to join strong hydrochloric acid have brown light orange precipitation; Add thick sodium hydroxide solution for orange brown.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3-4 5 2 4 4
AATCC 5 4 2 4-5 5

List of Suppliers:

 


One Response to “Direct Red 122”

  1. […] C.I.Direct Red 122 […]

Leave a Reply