Description

Tetrahydro-2,5-Dioxo-3-Furansulfonic Acid, Sodium Salt is a high-purity, water-soluble sodium salt derivative of a sulfonated furandione, valued for its role as a versatile synthetic intermediate and building block. Its significance lies in its ability to introduce both a reactive sulfonic acid group and a protected carbonyl functionality into target molecules, enabling the synthesis of complex, functionalized compounds. This chemical is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries who require precise and reliable intermediates for advanced synthesis.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring sulfonate or carboxylate functionalities for enhanced solubility or biological activity.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators where its reactive sites allow for the creation of novel, potent compounds.
• Polymer & Material Science: Serves as a monomer or cross-linking agent for creating specialty polymers, including water-soluble resins, ion-exchange materials, and coatings with specific functional properties.
• Chemical Research & Development: An important reagent in organic synthesis for constructing heterocyclic compounds and introducing sulfonate groups under controlled conditions.
• Dye & Pigment Manufacturing: Acts as an intermediate in the synthesis of sulfonated dyes and pigments, improving their water solubility and fiber affinity.
• Surfactant & Detergent Chemistry: Can be utilized as a precursor for anionic surfactants with specific structural features derived from its furan backbone.

Basic Information

Product Name	Tetrahydro-2,5-Dioxo-3-Furansulfonic Acid, Sodium Salt
CAS No.	73464-18-3
Molecular Formula	C4H3NaO7S
Molecular Weight	218.12 g/mol
Synonyms	3-Sulfotetrahydro-2,5-furandione sodium salt; Sodium 2,5-dioxotetrahydrofuran-3-sulfonate; 3-Sulfosuccinic anhydride sodium salt; Tetrahydro-3-sulfo-2,5-furandione sodium salt; Sodium 3-sulfolactate cyclic anhydride; 2,5-Dioxotetrahydrofuran-3-sulfonic acid sodium salt; Succinic anhydride-3-sulfonic acid sodium salt
EINECS	Contact for details

Quality Control

Our Tetrahydro-2,5-Dioxo-3-Furansulfonic Acid, Sodium Salt is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for identity, purity, and impurity profiles. Certificates of Analysis (COA) detailing results from methods such as HPLC, NMR, and titration are available upon request to support your quality assurance and regulatory needs.

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 product is hygroscopic (moisture-sensitive) and must be kept under dry conditions to prevent degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.1%
pH (5% solution)	6.0 - 8.0

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