70862

4-Amino-1-naphthalenesulfonic acid sodium salt hydrate

technical

• Synonym(s): 1-Naphthylamine-4-sulfonic acid sodium salt, Naphthionic acid sodium salt, Sodium 4-amino-1-naphthalenesulfonate
• Linear Formula: H₂NC₁₀H₆SO₃Na · xH₂O
• CAS Number: 123333-48-2
• Molecular Weight: 245.23 (anhydrous basis)
• Beilstein: 3784871
• EC Number: 204-975-5
• MDL number: MFCD00150730
• UNSPSC Code: 12352100
• PubChem Substance ID: 57652263
• NACRES: NA.22

Properties

• grade: technical
• form: crystals
• impurities: ~25% water
• mp: 280 °C (dec.) (lit.)
• SMILES string: [Na+].[H]O[H].Nc1ccc(c2ccccc12)S([O-])(=O)=O
• InChI: 1S/C10H9NO3S.Na.H2O/c11-9-5-6-10(15(12,13)14)8-4-2-1-3-7(8)9;;/h1-6H,11H2,(H,12,13,14);;1H2/q;+1;/p-1
• InChI key: PGVZBSXAFZCRTM-UHFFFAOYSA-M

Description

Application

4-Amino-1-naphthalenesulfonic acid sodium salt hydrate can be used:

• To prepare 1-bromo-4-naphthalenesulfonic acid, applicable as a phosphorophore in the detection of peptides by capillary electrophoresis.
• As a reactant to synthesize scandium complexes, applicable as artificial receptors in the removal of amphoteric α−amino acids from aqueous solutions.

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H315,H319,H335
• Precautionary Statements: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves