Log in | Join Free | china | japan | germany

Direct Brown 148

Request For Quotation
Direct Brown 148 Basic information
Product Name:Direct Brown 148
Synonyms:Direct Brown 148;C.I.Direct Brown 148:C.I.25265
CAS:
MF:
MW:0
EINECS:
Product Categories:
Mol File:Mol File
Direct Brown 148 Structure
Direct Brown 148 Chemical Properties
Safety Information
MSDS Information
Direct Brown 148 Usage And Synthesis
PreparationN,N’-bis(3-aminophenyl)urea?double nitriding, first and 2,4-Diaminobenzenesulfonic acid coupling, again with Resorcinol coupling.
Properties and Applicationsbrown. Slightly soluble in water for yellow brown, slightly soluble in alcohol. The strong sulfuric acid in red orange for brown, diluted yellow brown to orange for brown. The dye solution was added concentrated hydrochloric acid with red brown precipitate; Add thick sodium hydroxide solution for yellow brown to orange brown; Sodium hydroxide solution to dilute the same color.
Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
AATCC 3 4 2 3 3
Direct Brown 148 Preparation Products And Raw materials
Raw materials2,4-Diaminobenzenesulfonic acid-->Resorcinol-->N,N'-bis(3-aminophenyl)urea
Tag:Direct Brown 148 Related Product Information
Benzenesulfonic acid, 4-amino-2-[(2,4-diaminophenyl)azo]-5-[[3-[(2,4-diaminophenyl)azo]phenyl]azo]-, monosodium salt C.I. Direct brown 151, disodium salt C.I. Direct brown 14 Direct Brown 146 2-Naphthalenesulfonic acid, 6-[(2,4-diaminophenyl)azo]-3-[[3-[(2,4-diaminophenyl)azo]phenyl]azo]-4-hydroxy-, monosodium salt Benzenesulfonic acid, 3,3'-(carbonyldiimino)bis[6-[(2,4-diaminophenyl)azo]-, disodium salt C.I. Direct Brown 149 C.I. Direct Brown 150