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Mordant Brown 40

Name:C.I.Mordant Brown 40,C.I.17590

Molecular Structure: Single azo class

C.I.Mordant Brown 40,C.I.17590,CAS 6369-32-0,507.43,C23H15N3Na2O6S,Acid Chrome Brown PG,Chrome Brown G

C.I.Mordant Brown 40,C.I.17590,CAS 6369-32-0,507.43,C23H15N3Na2O6S,Acid Chrome Brown PG,Chrome Brown G

Molecular Formula:C23H15N3Na2O6S

Molecular Weight: 507.43

CAS Registry Number:6369-32-0

Manufacturing Methods : 2-Aminobenzoic acid is diazotized in alkaline conditions with 4-Hydroxy-6-(phenylamino)naphthalene-2-sulfonic acid coupling.

Properties and Applications:  dark brown. Soluble in water for orange to red light brown, right amount soluble in ethanol and Cellosolve, insoluble in other organic solvent. In concentrated sulfuric acid for deep orange to red, for Light brown after diluted to orange precipitation; In concentrated nitric acid for Light brown, and then become yellow. Dye aqueous solution and concentrated hydrochloric acid for brown; Crowding sodium hydroxide solution for orange brown

Standard Ironing Fastness Light Fastness Fulling Persperation Fastness Soaping Water
Alkali Acid
ISO 5 5-6 5 4 5 5 5
AATCC Dry 3,wet 5 6 4-5 5 4 5

List of Suppliers:

Acid Chrome Brown PG (Colorom SA)

Akachrome Brown PG (Aakash Chemicals & Dyestuffs Inc)

Barvachrome Brown [G]( Joint Stock Company ‘Coioros’ )

Bemachrome Brown PG ( Berncolors-Poughkeepsie Inc )

Bemchrome Brown PG SUB (Classic Dyestuffs Inc)

Chrome Brown G ( Joint Stock Company ‘Coioros’ )

Mitsui Chrome Brown PG( Mitsui Toatsu Chemicals Ltd )

Sunchromine Brown PG conc. ( Sumitomo Chemical Co. Ltd )


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