Description

Unithiol Disulfide CAS NO 115681-29-3 is a high-purity, synthetic organosulfur compound of significant industrial and research interest. This chemical serves as a critical intermediate and reagent, valued for its unique disulfide bond and thiol-related reactivity. It is essential for manufacturers and R&D laboratories in the pharmaceutical, biochemical, and specialty chemical sectors seeking reliable, high-quality raw materials for synthesis and process development.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring disulfide or thiol functional groups.
• Biochemical Research: Used as a reagent in protein chemistry, enzyme studies, and for probing thiol-disulfide exchange mechanisms.
• Cross-linking Agent: Employed in polymer and material science for creating disulfide-linked networks, which can impart redox-responsive properties.
• Antioxidant Precursor: Serves as a precursor or synergist in formulations designed for oxidative stability.
• Chemical Synthesis: Versatile intermediate in organic synthesis for introducing protected or latent thiol functionalities.
• Reference Standard: Used as an analytical standard in quality control laboratories for method development and validation.

Basic Information

Product Name	Unithiol Disulfide
CAS No.	115681-29-3
Molecular Formula	C4H10O2S4
Molecular Weight	218.38 g/mol
Synonyms	2,3-Dimercapto-1-propanol disulfide; 1,2-Bis(2,3-dimercaptopropylthio)ethane (common name); Dithio-2,3-dimercaptopropanol; Unitiol disulfide; Unithiol dimer; DMPS disulfide; Sodium 2,3-dimercaptopropane-1-sulfonate disulfide derivative
EINECS	Contact for details

Quality Control

Our Unithiol Disulfide is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including chromatographic purity assays and identity confirmation, to ensure it meets stringent specifications for research and industrial use. A Certificate of Analysis (COA) detailing batch-specific results is provided with every shipment.

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 oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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