ChemicalBook Product Catalog Organic Chemistry Amides Amino compound 6-Amino-4-hydroxy-2-naphthalenesulfonic acid

6-Amino-4-hydroxy-2-naphthalenesulfonic acid

6-Amino-4-hydroxy-2-naphthalenesulfonic acid Basic information
Product Name:6-Amino-4-hydroxy-2-naphthalenesulfonic acid
Synonyms:Galmarine(silymarine soluble);2-Amino-8-hydroxynaphthalene-6-sulfonic acid;6-AMINO-4-HYDROXY-2-NAPHTHALENE-SULPHONICACID;6-Amino-4-hydroxy-2-naphthalinsulfonsure;6-AMINO-4-HYDROXY-2-NAPHTHALENESULFONIC ACID (GAMMA ACID);2-AMINO-8-NAPTHOL-6-SULFONIC ACID;1-Hydroxy-7-amino-3-naphthalenesulfonic acid;4-Hydroxy-6-amino-2-naphthalenesulfonic acid
CAS:90-51-7
MF:C10H9NO4S
MW:239.25
EINECS:202-000-8
Product Categories:Building Blocks;Chemical Synthesis;Intermediates;Organic Building Blocks;Sulfonic/Sulfinic Acids;Sulfur Compounds;Intermediates of Dyes and Pigments;Organics
Mol File:90-51-7.mol
6-Amino-4-hydroxy-2-naphthalenesulfonic acid Structure
6-Amino-4-hydroxy-2-naphthalenesulfonic acid Chemical Properties
Boiling point 458℃[at 101 325 Pa]
density 1.4338 (rough estimate)
vapor pressure 0Pa at 25℃
refractive index 1.6500 (estimate)
storage temp. Keep in dark place,Sealed in dry,Room Temperature
form powder to crystal
pka-0.20±0.40(Predicted)
color White to Gray to Brown
Water Solubility 4.5g/L(hot water)
InChIKeyHBZVNWNSRNTWPS-UHFFFAOYSA-N
LogP-1.39
CAS DataBase Reference90-51-7(CAS DataBase Reference)
EPA Substance Registry System2-Naphthalenesulfonic acid, 6-amino-4-hydroxy- (90-51-7)
Safety Information
Hazard Codes C
Risk Statements 34
Safety Statements 26-27-28-36/37/39-45
RIDADR UN 2585 8/PG 3
WGK Germany 1
RTECS QK1295250
HS Code 2922.21.5000
ToxicityLD50 intraperitoneal in mouse: > 500mg/kg
MSDS Information
ProviderLanguage
SigmaAldrich English
6-Amino-4-hydroxy-2-naphthalenesulfonic acid Usage And Synthesis
Uses6-Amino-?4-?hydroxy-2-naphthalenesulfonic Acid is used in the synthesis of mono-azo dyes for application towards synthetic fibers. Also used in the synthesis of dyes with high technical properties for silk.
Flammability and ExplosibilityNotclassified
Nickel bis(sulphamidate) Sulfanilic acid 4-Aminobutyric acid Ascoric Acid ALTRENOGEST Sulfamic acid monosodium salt 6-Amino-4-hydroxy-2-naphthalenesulfonic acid Glycine ARSENAZO I 5-[[4-(Acetylamino)-2-sulfophenyl]azo]-6-amino-4-hydroxy-2-naphthalenesulfonic acid disodium salt CHROMOTROPE 2R sulfonaphthol CHROMOTROPE 2B SPADNS phosphoric acid ARSENAZO III DISODIUM SALT SULFONAZO III, TITRATION INDICATOR FOR S O4 CHLOROPHOSPHONAZO III
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