Description

Naphth[1,8-Cd]-1,2-Oxathiole-5-Sulphonic Acid 2,2-Dioxide is a specialized heterocyclic sulfonic acid derivative, recognized for its unique fused-ring structure. This compound serves as a high-value chemical intermediate in advanced synthesis, prized for its ability to introduce specific functional groups and modify material properties. It is primarily required by pharmaceutical research, fine chemical synthesis, and advanced material science sectors for developing novel compounds and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for compounds requiring a fused naphthoxathiole sulfone core.
• Fine Chemical Synthesis: Used in the preparation of complex organic molecules for research and development in agrochemicals and specialty chemicals.
• Material Science Research: Acts as a precursor or functionalizing agent in the development of advanced polymers, dyes, or photoactive materials.
• Chemical Research & Development: Serves as a reference standard or starting material in academic and industrial laboratories for exploring new chemical reactions and pathways.
• Ligand and Catalyst Development: Potential use in creating novel ligands for catalytic systems or metal-organic frameworks (MOFs).

Basic Information

Item	Detail
Product Name	Naphth[1,8-Cd]-1,2-Oxathiole-5-Sulphonic Acid 2,2-Dioxide
CAS No.	71735-36-9
Molecular Formula	C10H6O5S2
Molecular Weight	270.28 g/mol
Synonyms	1,8-Naphthosultam-5-sulfonic acid; 5-Sulfo-1,8-naphthosultam; Naphth[1,8-cd]-1,2-oxathiole-5-sulfonic acid 2,2-dioxide; 1,8-Naphthosultone-5-sulfonic acid; 1,8-Naphthosultam sulfonic acid; Naphthosultam sulfonate; 5-Sulfonaphth[1,8-cd]isothiazole 1,1-dioxide (deprotonated form reference)
EINECS	Contact for details

Quality Control

Our Naphth[1,8-Cd]-1,2-Oxathiole-5-Sulphonic Acid 2,2-Dioxide is produced under a strict quality management system. Each batch undergoes rigorous analytical testing including HPLC, NMR, and mass spectrometry to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong bases and oxidizing agents. For long-term storage, consider conditions under an inert atmosphere to maintain stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 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.