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Direct Orange 69

Name:C.I.Direct Orange 69,C.I.29055

Molecular Structure: Double azo class

C.I.Direct Orange 69,C.I.29055,CAS 8004-79-3,1016.87,C37H28N6Na4O15S4,Diazol Light Orange R

C.I.Direct Orange 69,C.I.29055,CAS 8004-79-3,1016.87,C37H28N6Na4O15S4,Diazol Light Orange R

Molecular Formula:C37H28N6Na4O15S4

Molecular Weight: 1016.87

CAS Registry Number:8004-79-3

Manufacturing Methods : 4-Aminonaphthalene-1,6-disulfonic acid or 4-Aminonaphthalene-1,7-disulfonic acid diazo, and 2-Amino-4-methylanisole coupling, and then make the light gasification.

Properties and Applications:  orange. Soluble in water for orange, slightly soluble in alcohol. The strong sulfuric acid for blue, green light blue after diluted precipitation. The dye solution to join strong hydrochloric acid have hidden cyan precipitation; Add thick sodium hydroxide solution have orange precipitation. Used for cellulose fiber dyeing and printing, and can be used in the paper color. 80 ℃ with the biggest dyeing affinity, good levelness.

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

List of Suppliers:

Diazol Light Orange R( Francolor Pigments SA )


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