Description

2,2'-Thiodiethyl Diacetate is a versatile sulfur-containing organic ester, also known by its CAS number 4275-28-9. This compound serves as a critical intermediate and functional additive in advanced chemical synthesis, valued for its ability to introduce sulfur and ester functionalities. It is essential for manufacturers and R&D teams in the pharmaceutical, agrochemical, polymer, and specialty chemical industries seeking to develop new molecules or modify material properties.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring sulfur-based functional groups or as a precursor for prodrug development.
• Agrochemical Synthesis: Acts as a key building block in the production of herbicides, fungicides, and insecticides where the thioether linkage is integral to biological activity.
• Polymer Modification & Cross-linking Agent: Employed in the production and modification of specialty polymers, resins, and elastomers to impart specific characteristics like flexibility, adhesion, or thermal stability.
• Chemical Intermediate for Organic Synthesis: Serves as a versatile reagent in organic chemistry for introducing the 2-thiodiethanol moiety into more complex molecular architectures.
• Lubricant & Fuel Additive Component: Utilized in formulating high-performance lubricants and fuel additives where sulfur-containing compounds act as anti-wear or extreme pressure agents.
• Flavor & Fragrance Industry: May be used as a precursor in the synthesis of certain sulfur-containing aroma chemicals, contributing to savory or alliaceous notes.

Basic Information

Product Name	2,2'-Thiodiethyl Diacetate
CAS No.	4275-28-9
Molecular Formula	C8H14O4S
Molecular Weight	206.26 g/mol
Synonyms	Thiodiglycol Diacetate; Bis(2-acetoxyethyl) Sulfide; Diethylene Glycol, Thio-, Diacetate; 2,2'-Thiobis(ethanol) Diacetate; Ethanol, 2,2'-thiobis-, diacetate; Acetic Acid 2,2'-Thiodiethyl Ester; NSC 2090; Bis(β-acetoxyethyl) Sulfide
EINECS	224-265-5

Quality Control

Our 2,2'-Thiodiethyl Diacetate is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for identity, purity, and composition. A comprehensive Certificate of Analysis (COA) detailing results for assay, impurities, and physical properties is provided with every shipment to guarantee traceability and batch-to-batch consistency for your critical processes.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.460 - 1.470
Density (20°C)	1.15 - 1.20 g/mL

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