Description

6-Sulfonaphthalene-1,9-Dicarboxylicacid is a high-purity, multifunctional aromatic sulfonic acid derivative with a dicarboxylic acid backbone. This compound is valued for its unique chemical structure, which makes it a versatile intermediate in the synthesis of advanced materials and specialty chemicals. It is primarily sought by manufacturers in the dye and pigment, pharmaceutical, and polymer industries for creating high-performance products.

Application

• Dye & Pigment Intermediate: A key building block for synthesizing water-soluble, high-color-strength azo and anthraquinone dyes.
• Pharmaceutical Synthesis: Serves as a critical intermediate in the production of certain active pharmaceutical ingredients (APIs) and diagnostic agents.
• Polymer Modification: Used to introduce sulfonic acid groups into polymer chains, enhancing properties like hydrophilicity and ion-exchange capacity.
• Liquid Crystal Materials: A potential precursor in the manufacture of sulfonated liquid crystal compounds for display technologies.
• Corrosion Inhibitor Formulation: Incorporated into specialty chemical blends to protect metal surfaces in industrial processes.
• Research & Development: Employed in academic and industrial R&D for exploring new organic reactions and material properties.

Basic Information

Product Name	6-Sulfonaphthalene-1,9-Dicarboxylicacid
CAS No.	732939-58-1
Molecular Formula	C12H8O7S
Molecular Weight	296.25 g/mol
Synonyms	1,9-Dicarboxy-6-naphthalenesulfonic acid; 6-Sulfo-1,9-naphthalenedicarboxylic acid; Naphthalene-1,9-dicarboxylic acid-6-sulfonic acid; 1,9-Naphthalenedicarboxylic acid, 6-sulfo-; 6-Sulfo-1,9-naphthalic acid; 6-Sulfonaphthalic acid; 6-SNDA; 6-Sulfonaphthalene dicarboxylic acid
EINECS	Contact for details

Quality Control

Our 6-Sulfonaphthalene-1,9-Dicarboxylicacid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting customer specifications. Certificates of Analysis (COA) documenting all critical parameters are 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 (15-25°C). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed when not in use to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Sulfated Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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