Description

3,3'-Thiodipropionodihydrazide is a versatile organic compound featuring a central thioether linkage flanked by two hydrazide functional groups. This unique bifunctional structure makes it a valuable intermediate for synthesizing polymers, antioxidants, and metal chelating agents. It is primarily sought after by manufacturers in the polymer additives, specialty chemicals, and pharmaceutical intermediate sectors.

Application

• Polymer Additive Synthesis: A key intermediate for producing thioester-based antioxidants and light stabilizers for plastics and synthetic fibers.
• Crosslinking Agent: Used in the production of specialty resins and elastomers, where its dual hydrazide groups can form thermally stable crosslinks.
• Metal Chelation: Serves as a precursor for ligands and chelating agents used in water treatment, catalysis, and analytical chemistry.
• Pharmaceutical Intermediate: Employed in the synthesis of active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Corrosion Inhibitor Formulation: A component in formulations designed to protect metals in industrial systems.
• Chemical Research & Development: Used as a building block in organic synthesis for novel materials and compounds.

Basic Information

Product Name	3,3'-Thiodipropionodihydrazide
CAS No.	6292-68-8
Molecular Formula	C6H14N4O2S
Molecular Weight	206.27 g/mol
Synonyms	Thiodipropionic Dihydrazide; Bis(2-hydrazinyl-2-oxoethyl) Sulfide; 3,3'-Thiobis(propanehydrazide); Thiodipropionic Acid Dihydrazide; TDPH; TDAD; Antioxidant TDPH; Sulfonyldipropionic Dihydrazide
EINECS	228-548-4

Quality Control

Our 3,3'-Thiodipropionodihydrazide is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets defined specifications for identity, purity, and performance. A Certificate of Analysis (COA) detailing the results is provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Due to its sensitivity to oxidation, it is recommended to store under an inert atmosphere (e.g., nitrogen) for long-term preservation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	215 - 220 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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