Product Name: Sodium 2-naphthalenesulfonate CAS Number: 532-02-5 Molecular Formula: C??H?NaO?S Molecular Weight: 230.22 g/mol Synonyms: 2-Naphthalenesulfonic acid sodium salt; Sodium beta-naphthalenesulfonate; β-Naphthalenesulfonic acid sodium salt Classification: Anionic surfactant, organic synthetic intermediate, dye auxiliary, chemical raw material

Appearance: White to off-white crystalline powder, odorless, uniform texture Melting Point: >300 °C Boiling Point: Decomposes at high temperature without fixed boiling point Density: 1.45 g/cm3 Solubility: Easily soluble in water, soluble in ethanol; insoluble in ether and hydrocarbon solvents Stability: Stable at room temperature and normal pressure; hygroscopic; stable in neutral and alkaline conditions, decomposes in strong acid environment Key Parameters: Purity ≥98.0%; Moisture ≤1.0%; Water Insoluble Matter ≤0.1%

Sodium 2-naphthalenesulfonate is a common anionic aromatic sulfonate compound. It is widely used as dye dispersant, leveling agent and dyeing auxiliary in textile and dye industry. It serves as organic synthesis intermediate for preparing naphthalene series fine chemicals and pharmaceutical intermediates. Also used as concrete water reducer raw material, electroplating additive, and analytical reagent in chemical laboratory.

Packaging Laboratory grade: 10g, 50g, 100g sealed plastic or glass bottles Industrial grade: 25kg woven bag or HDPE drum with inner lining

Storage: Store in cool, dry, well ventilated warehouse; keep tightly sealed to prevent moisture absorption; keep away from strong acid and oxidant Shelf Life: 24 months under recommended sealed storage Transportation: Avoid rain and humid environment; handle gently to prevent package breakage and moisture ingress