Benzenesulfonic acid, 3,3'-(carbonyldiimino)bis[6-[(2,4-diaminophenyl)azo]-, disodium salt

CAS No.
6854-77-9
Chemical Name:
Benzenesulfonic acid, 3,3'-(carbonyldiimino)bis[6-[(2,4-diaminophenyl)azo]-, disodium salt
Synonyms
Direct Brown 152;C.I.Direct Brown 152:C.I.25370;Benzenesulfonic acid, 3,3'-(carbonyldiimino)bis[6-[(2,4-diaminophenyl)azo]-, disodium salt
CBNumber:
CB14773471
Molecular Formula:
C25H25N10NaO7S2
Molecular Weight:
664.65
MDL Number:
MOL File:
6854-77-9.mol

Benzenesulfonic acid, 3,3'-(carbonyldiimino)bis[6-[(2,4-diaminophenyl)azo]-, disodium salt Chemical Properties,Uses,Production

Preparation

1,3-Bis(4-amino-3-sulfophenyl)urea double nitriding, and Benzene-1,3-diamine (2 Moore) coupled.

Properties and Applications

red light brown. Moderate soluble in water for golden yellow to orange, and adequate soluble in alcohol. The strong sulfuric acid for purple, for yellow brown after diluted. The dye solution to join strong hydrochloric acid for dark brown, have precipitation; Add thick sodium hydroxide solution discoloration.

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

Benzenesulfonic acid, 3,3'-(carbonyldiimino)bis[6-[(2,4-diaminophenyl)azo]-, disodium salt Preparation Products And Raw materials

Benzenesulfonic acid, 3,3'-(carbonyldiimino)bis[6-[(2,4-diaminophenyl)azo]-, disodium salt Direct Brown 152 C.I.Direct Brown 152:C.I.25370 6854-77-9