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Acid red 183

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Acid red 183 Basic information
Product Name:Acid red 183
Synonyms:Disodium 5-chloro-3-[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulphophenyl)-1H-pyrazol-4-yl]azo]-2-hydroxybenzene-1-sulphonate;CI 18800;chromate(2-),[5-chloro-3-[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulfophenyl)-1h-pyr;Chromate(2-),[5-chloro-3-[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulfophenyl)-1H-pyrazol-4-yl]azo]-2-hydroxybenzenesulfonato(4-)]hydroxy-,disodium;NEOLAN RED GRE;acid red 183 (C.I. 18800);disodium [5-chloro-3-[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulphophenyl)-1H-pyrazol-4-yl]azo]-2-hydroxybenzene-1-sulphonato(4-)]hydroxychromate(2-);Chromate, [5-chloro-3-[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulfophenyl)-1H-pyrazol-4-yl]azo]-2-hydroxybenzenesulfonato(4-)]hydroxy-, disodium
CAS:6408-31-7
MF:C16H11ClN4Na2O8S2
MW:532.84
EINECS:229-054-5
Product Categories:A;Stains and Dyes;Stains&Dyes, A to
Mol File:6408-31-7.mol
Acid red 183 Structure
Acid red 183 Chemical Properties
Boiling point 764.18℃[at 101 325 Pa]
density 1.84[at 20℃]
vapor pressure 0Pa at 25℃
storage temp. room temp
Colour Index 18800
form powder
Water Solubility 903.5μg/L at 25℃
λmax494 nm
ε(extinction coefficient)2900 at 322nm in H2O at 0.03g/L
7500 at 244nm in H2O at 0.03g/L
Major Applicationdiagnostic assay manufacturing
hematology
histology
InChIKeyAAKJXBYQACYFJH-UHFFFAOYSA-I
SMILES[Na+].[Na+].Cc1nn(-c2cccc(c2)S([O-])(=O)=O)c3O[Cr](O)Oc4c(cc(Cl)cc4S([O-])(=O)=O)\N=N\c13
LogP4.65 at 25℃
EPA Substance Registry SystemChromate(2-), [5-chloro-3-[[4,5-dihydro-3-methyl-5-(oxo-.kappa.O)-1-(3-sulfophenyl)-1H-pyrazol-4-yl]azo-.kappa.N1]-2-(hydroxy-.kappa.O)benzenesulfonato(4-)]hydroxy-, disodium, (T-4)- (6408-31-7)
Safety Information
Safety Statements 24/25
WGK Germany 3
TSCA TSCA listed
Storage Class11 - Combustible Solids
MSDS Information
ProviderLanguage
ACROS English
Acid red 183 Usage And Synthesis
Chemical Propertiesdark rust crystalline powder
Usesdiagnostic assay manufacturing
hematology
histology
Preparation3-Amino-5-chloro-2-hydroxybenzenesulfonic acid diazo, and 1-(3-Sulfophenyl)-3-methyl-5-pyrazolone coupling, and then in water solution and formic acid chromium heating, in 125 ° C keep 3 hours, make the generation of the chrome complex.
Flammability and ExplosibilityNot classified
Properties and Applicationsred yellow light. Soluble in water is red. The strong sulfuric acid to red light yellow; Diluted into orange. In water solution to join 10% of sulfuric acid slightly change to blue; Add 10% sodium hydroxide solution into orange. Apply to wool dyeing and leather color.
Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 7 3-4 4 4 2 3
AATCC 6-7 2 2 5 5
Acid red 183 Preparation Products And Raw materials
Raw materials1-(3-Sulfophenyl)-3-methyl-5-pyrazolone-->2-Amino-4-chlorophenol-6-sulfonic acid
Tag:Acid red 183(6408-31-7) Related Product Information
ACID RED 183 3-Methylpyrazole 2-Amino-4-chlorophenol 3-Chloroaniline 1-Methylpyrazole 3-Methyl-3-pyrazolin-5-one 3-Aminothiophenol 1,3-Dimethylpyrazole 1,3-Dimethyl-5-hydroxypyrazole 2-Amino-4-chlorophenol-6-sulfonic acid AMMONIUM METHANESULFONATE Metanilic acid Phenolsulfonic acid 1H-Pyrazol-4-ylamine Sodium methanesulfonate 2-Aminophenol hydrochloride 3-Chlorothiophenol 1H-Pyrazol-4-amine hydrochloride