Fast sulphon black F

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Fast sulphon black F Basic information
Product Name:Fast sulphon black F
Synonyms:ACID BLACK 32;FAST SULFON BLACK F;FAST SULFONE BLACK F;CI 26990;trisodium 4-hydroxy-5-[(2-hydroxynaphthyl)azo]-3-[(4-sulphonatonaphthyl)azo]naphthalene-2,7-disulphonate;2,7-Naphthalenedisulfonic acid, 4-hydroxy-5-(2-hydroxy-1-naphthalenyl)azo-3-(4-sulfo-1-naphthalenyl)azo-, trisodium salt;Acid black 32 (C.I. 26990);4-Hydroxy-5-[(2-hydroxy-1-naphtyl)azo]-3-[(4-sulfo-1-naphtyl)azo]-2,7-naphthalenedisulfonic acid trisodium salt
CAS:3682-47-1
MF:C30H21N4NaO11S3
MW:732.68
EINECS:222-966-4
Product Categories:
Mol File:3682-47-1.mol
Fast sulphon black F Structure
Fast sulphon black F Chemical Properties
storage temp. 4°C, Inert atmosphere
solubility DMSO (Slightly, Sonicated), Water (Slightly, Heated, Sonicated)
form Powder
color Black
Safety Information
Safety Statements 24/25
WGK Germany 3
MSDS Information
ProviderLanguage
ACROS English
SigmaAldrich English
Fast sulphon black F Usage And Synthesis
Chemical Propertiesblack powder
UsesFast Sulphon Black F (Technical Grade) is a complexometric indicator, used for titrations. Fast Sulphon Black F is used for titrations with EDTA. It may appear purple with a copper complexation and change to green with EDTA. Fast Sulphon Black F may also be used as a stain.
Preparation4-Aminonaphthalene-1-sulfonic acid diazo, in alkaline conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acidcoupling, its product to diazo, and Naphthalen-2-ol coupling.
Properties and Applicationsgreen and black. Soluble in water for black, soluble in ethanol, slightly soluble in soluble fiber element. The strong sulfuric acid as dark blue light in purple, diluted solution for olive. In water solution to join 10% of sulfuric acid discoloration; Add 10% sodium hydroxide solution for dark blue light red.
Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 4 4 4 3-4 4
AATCC 7 3 3 3 4-5
Fast sulphon black F Preparation Products And Raw materials
Raw materialsNaphthionic acid-->8-Amino-1-naphthol-3,6-disulfonic acid monosodium salt monohydrate-->2-Naphthol
Tag:Fast sulphon black F(3682-47-1) Related Product Information
sodium 4-hydroxy-5-[(2-methoxy-4-nitrophenyl)azo]-6-(phenylamino)naphthalene-2-sulphonate Acid Black 41 Sulphon Black RA Chromate(3-), bis[3-(hydroxy-κO)-4-[[2-(hydroxy-κO)-1-naphthalenyl]azo-κN1]-7-[[(4-methylphenyl)sulfonyl]amino]-1-naphthalenesulfonato(3-)]-, disodium hydrogen Sodium 4-amino-1-naphthalenesulfonate FAST SULPHON BLACK F AZOFUCHSIN 8-Amino-1-naphthol-3,6-disulfonic acid monosodium salt monohydrate Sudan I 1,2,4-Benzenetriol 1-Naphthol-3,6-disulfonic acid disodium salt 4-AMINO-1-NAPHTHALENESULFONIC ACID SODIUM SALT 1,1'-AZONAPHTHALENE Naphthionic acid 1-Aminonaphthalene-6-sulfonic acid 3-AMINO-2,7-NAPHTHALENEDISULFONIC ACID MONOSODIUM SALT 8-AMINO-1-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT 5-amino-4-hydroxynaphthalene-2-sulphonic acid