Description

Tetraisopropylthiuram Disulfide is a specialized organosulfur compound belonging to the thiuram disulfide class, valued for its role as a versatile vulcanization accelerator and chemical intermediate. Its structure provides excellent scorch safety and efficient cross-linking properties in polymer systems. This product is essential for manufacturers in the rubber and polymer industries seeking to enhance the curing characteristics and final physical properties of their elastomeric products.

Application

• Primary vulcanization accelerator for various synthetic rubbers, including nitrile rubber (NBR) and ethylene-propylene-diene monomer (EPDM).
• Acts as a secondary accelerator in combination with thiazoles or sulfenamides to optimize cure rate and performance in tire and mechanical goods manufacturing.
• Used as a polymerization modifier and short-stopper in the production of synthetic latex and resins.
• Serves as a key chemical intermediate in the synthesis of other sulfur-containing specialty chemicals.
• Employed as a sulfur donor in efficient vulcanization (EV) and semi-efficient vulcanization (SEV) systems to improve heat aging resistance.
• Finds application in the formulation of certain antioxidant and antimicrobial additives for industrial use.

Basic Information

Product Name	Tetraisopropylthiuram Disulfide
CAS No.	4136-91-8
Molecular Formula	C14H28N2S4
Molecular Weight	352.64 g/mol
Synonyms	Tetra-iso-propylthiuram Disulfide; Tetraisopropyl Thiuram Disulfide; Bis(diisopropylthiocarbamoyl) Disulfide; Diisopropyl Thiuram Disulfide; TIPTD; Tetraisopropyl Thuram Disulfide; Accelerator TIPTD; N,N,N',N'-Tetraisopropylthiuram Disulfide
EINECS	223-951-9

Quality Control

Our Tetraisopropylthiuram Disulfide is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure consistent purity, performance, and compliance with industry specifications. A Certificate of Analysis (COA) detailing key parameters such as assay, melting point, and ash content is provided with every shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Separate from strong oxidizing agents and strong bases.

Specification

Item	Specification
Appearance	White to pale yellow crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	108°C - 112°C
Loss on Drying	≤ 0.5%
Ash Content	≤ 0.3%

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