Description

Bis(Pentamethylene)Thiuram Tetrasulfide CAS NO 120-54-7 is a sulfur-containing organic compound belonging to the thiuram disulfide class, widely recognized as an efficient vulcanization accelerator and sulfur donor. Its primary value lies in its ability to significantly enhance the cross-linking efficiency and physical properties of rubber compounds, leading to improved heat resistance and aging characteristics. This product is essential for manufacturers in the rubber and polymer industries seeking to optimize their curing processes and final product performance.

Application

• Primary vulcanization accelerator for natural rubber (NR), synthetic polyisoprene (IR), and butadiene rubber (BR).
• Acts as a sulfur donor in efficient vulcanization (EV) and semi-efficient vulcanization (SEV) systems.
• Used in the production of technical rubber goods, including hoses, belts, seals, and molded items.
• Imparts excellent heat resistance and low compression set in finished rubber products.
• Employed as a secondary accelerator in combination with sulfenamides or guanidines for synergistic effects.
• Application in cable insulation and jacketing compounds for enhanced durability.
• Can be used in certain polymer modification processes.

Basic Information

Product Name	Bis(Pentamethylene)Thiuram Tetrasulfide
CAS No.	120-54-7
Molecular Formula	C12H20N2S6
Molecular Weight	384.68 g/mol
Synonyms	Dipentamethylenethiuram Tetrasulfide; DPTT; Tetrasulfiram; Tetrabis(piperidinothiocarbonyl) Disulfide; Bis(piperidino)thiuram Tetrasulfide; Accelerator DPTT; Vulcanizing Agent DPTT; N,N'-Dipentamethylenethiuram Tetrasulfide; 1,1'-(Tetrathiodicarbonothioyl)dipiperidine
EINECS	204-406-0

Quality Control

Our production of Bis(Pentamethylene)Thiuram Tetrasulfide adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including assay, melting point determination, and ash content analysis, to ensure consistency and performance. A Certificate of Analysis (COA) detailing all relevant specifications is provided with each shipment to guarantee traceability and compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat sources, open flames, and incompatible materials such as strong oxidizing agents. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Light gray to pale yellow powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 97.0 %
Melting Point	110 - 115 °C
Ash Content	≤ 0.5 %
Moisture (Karl Fischer)	≤ 0.5 %
Sulfur Content	Contact for details

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