Description

Tetramethylthiuram Disulfide CAS NO 137-26-8 is a vital organosulfur compound widely recognized as a primary ultra-accelerator and vulcanizing agent in the rubber industry. Its significance lies in its ability to dramatically improve the speed and efficiency of the vulcanization process, enhancing the physical properties of the final rubber product. This chemical is essential for manufacturers in the automotive, industrial goods, and consumer products sectors seeking to optimize production cycles and product durability.

Application

• Primary Vulcanization Accelerator for natural and synthetic rubbers (SBR, NBR, EPDM) in tire manufacturing and industrial rubber goods.
• Secondary Fungicide and Bactericide in agricultural formulations for seed treatment and soil protection.
• Sulfur Donor in sulfur-cured elastomer systems, providing efficient cross-linking.
• Antioxidant and Anti-aging Agent to extend the service life of rubber products by preventing degradation.
• Component in Sealing Compounds and gaskets requiring high heat resistance and compression set.
• Additive in Adhesives and Coatings to modify curing characteristics and improve performance.
• Animal Repellent in specific non-agricultural applications.
• Research & Development chemical for polymer science and material studies.

Basic Information

Product Name	Tetramethylthiuram Disulfide
CAS No.	137-26-8
Molecular Formula	C6H12N2S4
Molecular Weight	240.43 g/mol
Synonyms	Thiram; TMTD; Tetramethylthiuram Disulphide; Bis(dimethylthiocarbamoyl) Disulfide; Accelerator T; Accelerator Thiuram; Nocceler TMT; Methyl Thiram; Arasan; Fernasan; Pomarsol; Spotrete; Tuads
EINECS	205-286-2

Quality Control

Our Tetramethylthiuram Disulfide is manufactured under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, melting point, and ash content, consistent with industrial and agricultural grade requirements. Certificates of Analysis (COA) documenting these results 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, and well-ventilated area away from heat sources and incompatible materials. Recommended storage temperature is between 15°C and 25°C. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 97.0%
Melting Point	155°C - 165°C
Loss on Drying	≤ 0.5%
Ash Content	≤ 0.3%
Residue on Sieve (100 mesh)	≤ 1.0%

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