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Mordant Orange 4

Name:C.I.Mordant Orange 4,C.I.18940

Molecular Structure: Single azo class

C.I.Mordant Orange 4,C.I.18940,CAS 6359-96-2,475.80,C16H11ClN5NaO7S,Bemachrome Orange 3RL

C.I.Mordant Orange 4,C.I.18940,CAS 6359-96-2,475.80,C16H11ClN5NaO7S,Bemachrome Orange 3RL

Molecular Formula:C16H11ClN5NaO7S

Molecular Weight: 475.80

CAS Registry Number:6359-96-2

Manufacturing Methods :  3-Amino-2-hydroxy-5-nitrobenzenesulfonic acid diazotization, and 1-(3-Chlorophenyl)-3-methyl-1H-pyrazol-5(4H)-one coupling.

Properties and Applications: dark red light orange. Soluble in water and Etanol for orange. In concentrated sulfuric acid to yellow, after diluted solution for yellow, accompanied by precipitation. Dye aqueous solution to join 10% sulfuric acid as yellow; Add 10% sodium hydroxide solution for orange.

Standard Ironing Fastness Light Fastness Fulling Persperation Fastness Soaping Water
Alkali Acid
ISO 4-5 6-7 4-5 4 4-5 5 5
AATCC 4-5 6-7 4 4-5 5

List of Suppliers:

Bemachrome Orange 3RL( Berncolors-Poughkeepsie Inc )


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