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1-Naphthalenesulfonic acid, 4,5-dihydroxy-3-[(4-sulfophenyl)azo]-, disodium salt

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1-Naphthalenesulfonic acid, 4,5-dihydroxy-3-[(4-sulfophenyl)azo]-, disodium salt Basic information
Product Name:1-Naphthalenesulfonic acid, 4,5-dihydroxy-3-[(4-sulfophenyl)azo]-, disodium salt
Synonyms:1-Naphthalenesulfonic acid, 4,5-dihydroxy-3-[(4-sulfophenyl)azo]-, disodium salt;Acid Red 31;C.I.Acid Red 31:C.I.16540
CAS:5850-50-0
MF:C16H10N2Na2O8S2
MW:468.36874
EINECS:611-670-4
Product Categories:
Mol File:5850-50-0.mol
1-Naphthalenesulfonic acid, 4,5-dihydroxy-3-[(4-sulfophenyl)azo]-, disodium salt Structure
1-Naphthalenesulfonic acid, 4,5-dihydroxy-3-[(4-sulfophenyl)azo]-, disodium salt Chemical Properties
Safety Information
MSDS Information
1-Naphthalenesulfonic acid, 4,5-dihydroxy-3-[(4-sulfophenyl)azo]-, disodium salt Usage And Synthesis
Preparation2-Aminobenzenesulfonic acid diazo, and 4,5Dihydroxynaphthalene-1-sulfonic acid?coupling.
Properties and Applicationsblue-ray red. Soluble in water for wine red, hardly soluble in alcohol. The strong sulfuric acid for dark purple, diluted red wine. In water solution to join strong hydrochloric acid for the red; Add sodium hydroxide into wine red to the deep red.
Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 4 2 3-4 2-3 1 3
1-Naphthalenesulfonic acid, 4,5-dihydroxy-3-[(4-sulfophenyl)azo]-, disodium salt Preparation Products And Raw materials
Raw materialsAniline-2-sulfonic acid-->4,5-dihydroxynaphthalene-1-sulphonic acid
Tag:1-Naphthalenesulfonic acid, 4,5-dihydroxy-3-[(4-sulfophenyl)azo]-, disodium salt(5850-50-0) Related Product Information
C.I. Acid Red 316(8CI,9CI) ACID RED 299 Acid Red 315 hydrogen bis[1-[(5-(aminosulphonyl)-2-hydroxyphenyl)azo]2-naphtholato(2-)]chromate(1-) CHROMOTROPE 2R 4-Hydroxy-3-(1-naphthalenylazo)-2,7-naphthalenedisulfonic acid disodium salt sodium 5-[2-[5-chloro-2-(4-methylphenyl)sulfonyl-phenyl]hydrazinyl]-6-imino-4-oxo-naphthalene-2-sulfonate Acid Red 30 Acid Red 308