Description

Sodium Acenaphthene-5-Sulphonate is an organic sodium salt derivative of acenaphthene, widely utilized as a key intermediate in the synthesis of dyes, pigments, and fluorescent whitening agents. Its sulfonate group imparts excellent water solubility, making it particularly valuable for formulating aqueous-based colorants and functional materials. This compound is essential for manufacturers in the dye and textile chemical industries, as well as for research institutions developing advanced organic electronic materials and optical brighteners.

Application

• Dye & Pigment Intermediate: A crucial building block for synthesizing acid dyes, reactive dyes, and solvent dyes used in textile, leather, and paper coloring.
• Fluorescent Whitening Agent (FWA) Production: Serves as a core precursor in manufacturing optical brighteners for detergents, plastics, and paper products.
• Research & Development: Used in academic and industrial R&D for creating novel organic semiconductors, light-emitting materials, and photonic compounds.
• Chemical Synthesis: Acts as a sulfonating agent or a charged moiety introducer in custom organic synthesis for specialty chemicals.
• Analytical Chemistry: Can be employed as a standard or reagent in chromatographic analysis and spectroscopic studies.

Basic Information

Product Name	Sodium Acenaphthene-5-Sulphonate
CAS No.	31202-24-1
Molecular Formula	C12H9NaO3S
Molecular Weight	256.25 g/mol
Synonyms	5-Acenaphthenesulfonic Acid Sodium Salt; Acenaphthene-5-sulfonic Acid Sodium Salt; Sodium 5-Acenaphthenesulfonate; 1,2-Dihydroacenaphthylene-5-sulfonic Acid Sodium Salt; Azenaphthene-5-sulphonate Sodium; Sodium Acenaphthene-5-sulfonate
EINECS	Contact for details

Quality Control

Our Sodium Acenaphthene-5-Sulphonate is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing, including identification, purity assay, and impurity profiling, to ensure it meets precise customer specifications and consistent batch-to-batch reliability. A Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (typically 15-25°C). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition (Sulfated Ash)	≤ 0.5%
Solubility (in Water)	Clear, colorless to faint yellow solution

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.