Description

Disodium 4,4'-(3H-2,1-Benzoxathiol-3-Ylidene)Bisphenolate S,S-Dioxide is a high-purity, organosulfur-based chemical compound with significant utility in advanced material synthesis. This compound matters for its role as a key intermediate and functional additive in applications requiring precise chemical reactivity and stability. Industrial and research professionals in the pharmaceutical, specialty chemical, and advanced polymer sectors need it for developing innovative products and processes.

Application

• As a critical intermediate in the synthesis of specialty dyes, pigments, and optical brighteners.
• In pharmaceutical research for the development of novel active pharmaceutical ingredients (APIs) and diagnostic agents.
• As a functional monomer or additive in the production of high-performance polymers and engineering plastics.
• Utilized in organic electronic materials research, including for OLEDs and photoconductive polymers.
• As a reagent in analytical chemistry for specific detection or complexation processes.
• In agrochemical research for the synthesis of new active ingredients with specific modes of action.

Basic Information

Product Name	Disodium 4,4'-(3H-2,1-Benzoxathiol-3-Ylidene)Bisphenolate S,S-Dioxide
CAS No.	93839-72-6
Molecular Formula	C20H12Na2O6S2
Molecular Weight	466.41 g/mol
Synonyms	Disodium 4,4'-(3H-2,1-Benzoxathiol-3-ylidene)bis(phenolate) S,S-dioxide; Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis-, S,S-dioxide, disodium salt; Disodium 4,4'-(2,1,3-Benzoxathiazol-3-ylidene)diphenolate dioxide; Disodium 4,4'-(Benzoxathiol-3-ylidene)diphenolate S,S-dioxide; 93839-72-6; Disodium salt of Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis-, S,S-dioxide
EINECS	Contact for details

Quality Control

Our Disodium 4,4'-(3H-2,1-Benzoxathiol-3-Ylidene)Bisphenolate S,S-Dioxide is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for research and industrial use. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to orange-yellow powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition (Sulfated Ash)	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm

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