ChemicalBook Product Catalog Dyes and Pigments dye Acid dye Acid Brown 4

Acid Brown 4

Acid Brown 4 Basic information
Product Name:Acid Brown 4
Synonyms:Acid Brown 4;sodium 6-[(4-aminophenyl)azo]-5-hydroxynaphthalene-1-sulphonate;1-Naphthalenesulfonic acid, 6-(4-aminophenyl)azo-5-hydroxy-, monosodium salt;Acid brown 4 (C.I. 14805);Brown R;6-[(4-Aminophenyl)azo]-5-hydroxy-1-naphthalenesulfonic acid sodium salt;C.I.14805;C.I.Acid Brown 4
CAS:5858-51-5
MF:C16H12N3NaO4S
MW:365.33895
EINECS:227-492-1
Product Categories:
Mol File:5858-51-5.mol
Acid Brown 4 Structure
Acid Brown 4 Chemical Properties
density 1.447[at 20℃]
Water Solubility 18.67g/L at 20℃
LogP-1.616 at 20℃
Safety Information
MSDS Information
Acid Brown 4 Usage And Synthesis
PreparationN-(4-aminophenyl)acetamide diazo, and 5-Hydroxynaphthalene-1-sulfonic acid coupling, and then remove acetyl hydrolysis.
Flammability and ExplosibilityNonflammable
Properties and Applicationsred light brown. Soluble in water for red light brown, soluble in ethanol for yellow light brown. The strong sulfuric acid for wine red, dark blue, diluted to the red orange. Strong hydrochloric acid solution to join a brown orange precipitation; Add thick sodium hydroxide solution for palm orange.
Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 3 3-4 2 2 3 1-2
Acid Brown 4 Preparation Products And Raw materials
Raw materials4'-Aminoacetanilide-->1-Naphthol-5-sulfonic acid
ACID BROWN OA Acid brown 48 ACID BROWN HA C.I. Acid Brown 104 Acid brown 449 Acid brown 354 (C.I. 20177) ACID BROWN KA ACID BROWN Chromate(3-), [3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-2-hydroxy-5-nitrobenzenesulfonato(3-)][3-hydroxy-4-[(2-hydroxy-1-naphthalenyl)azo]-7-nitro-1-naphthalenesulfonato(3-)]-, sodium C.I. Acid Brown 224 C.I. Acid Brown 103 Acid Brown 121 C.I. Acid Brown 46 Acid Brown 58 Acid Brown 348 ACID BROWN Acid Brown 163 Acid brown 147
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