Description

Thiodiethylene Diacetoacetate is a versatile sulfur-containing organic compound that serves as a key intermediate in advanced chemical synthesis. Its bifunctional acetoacetate groups make it a valuable building block for creating complex molecular architectures, particularly in polymer and pharmaceutical chemistry. This product is essential for R&D chemists and process engineers in the fine chemical, polymer additive, and agrochemical sectors seeking to develop novel materials and active ingredients.

Application

• Polymer Crosslinking Agent: Used in the production of specialty resins, coatings, and adhesives to enhance thermal stability and mechanical properties.
• Pharmaceutical Intermediate: Serves as a precursor in the synthesis of heterocyclic compounds and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Employed as a key intermediate in the manufacture of certain herbicides and fungicides.
• Ligand and Chelating Agent Precursor: Useful in coordination chemistry for the development of metal-organic frameworks (MOFs) and catalysts.
• Fine Chemical Building Block: Utilized in organic synthesis for constructing complex molecules with acetoacetate functionality.
• UV Stabilizer and Antioxidant Intermediate: A component in the synthesis of additives for plastics and rubber to prevent degradation.

Basic Information

Product Name	Thiodiethylene Diacetoacetate
CAS No.	28722-25-0
Molecular Formula	C10H14O6S
Molecular Weight	262.28 g/mol
Synonyms	2,2'-[Thiobis(ethyleneoxy)]bis[4-oxopent-2-en-2-ol]; Bis(acetoacetoxyethyl) Sulfide; Diacetoacetic Acid 2,2'-Thiodiethyl Ester; 2,2'-(Thiodiethylene) Diacetoacetate; Thiodiglycol Diacetoacetate; Acetoacetic Acid 2,2'-Thiodiethyl Ester; TDDA; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our Thiodiethylene Diacetoacetate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including assay by HPLC and identification by FTIR, to ensure it meets precise specifications for purity and consistency. Certificates of Analysis (COA) are provided with every shipment and are available upon request 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 a controlled room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. The container must be kept tightly closed to prevent moisture absorption.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	1.18 - 1.22
Refractive Index (20°C)	1.470 - 1.480

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