290793

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

90%

• Linear Formula: H₂NC₁₀H₅(OH)SO₃H · H₂O
• CAS Number: 139123-65-2
• Molecular Weight: 257.26
• EC Number: 202-000-8
• MDL number: MFCD00149252
• UNSPSC Code: 12352100
• PubChem Substance ID: 24857487

Properties

• Assay: 90%
• SMILES string: O.Nc1ccc2cc(cc(O)c2c1)S(O)(=O)=O
• InChI: 1S/C10H9NO4S.H2O/c11-7-2-1-6-3-8(16(13,14)15)5-10(12)9(6)4-7;/h1-5,12H,11H2,(H,13,14,15);1H2
• InChI key: UDDZFUCCXGYYGP-UHFFFAOYSA-N

Description

General description

6-Amino-4-hydroxy-2-naphthalenesulfonic acid undergoes azo coupling reaction with 3-trifluoromethyl- and 4-nitrobenzenediazonium ion in relative highly concentrated aqueous alkaline solutions to give ratios of aminoazo to hydroxyazo compounds.

Application

6-Amino-4-hydroxy-2-naphthalenesulfonic acid has been used in the synthesis of:

• aminoazo and hydroxyazo dyes
• water dispersible graphene

Safety Information

• Pictograms: GHS05
• Signal Word: Danger
• Hazard Statements: H314
• Precautionary Statements: P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P363
• Hazard Classifications: Skin Corr. 1B
• Storage Class Code: 8A - Combustible corrosive hazardous materials
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves