Description

Bis(Ethoxythiocarbonyl) Pertetrasulfide is an organosulfur compound characterized by its unique tetrasulfide (-S-S-S-S-) bridge. This chemical structure makes it a valuable intermediate and additive in various industrial processes where controlled sulfur release or cross-linking is required. It is primarily utilized in the rubber and polymer industries, as well as in organic synthesis for the production of specialty chemicals.

Application

• Rubber Vulcanization: Acts as a sulfur donor and curing agent in the vulcanization of natural and synthetic rubbers, improving cross-link density and final product properties.
• Polymer Modification: Used as a cross-linking agent or chain extender in the synthesis and modification of various polymers to enhance thermal stability and mechanical strength.
• Lubricant & Grease Additive: Serves as an extreme pressure (EP) and anti-wear additive in industrial lubricants and greases.
• Organic Synthesis Intermediate: A key reagent for introducing tetrasulfide linkages or thiocarbonyl groups into more complex organic molecules in pharmaceutical and agrochemical research.
• Sealant & Adhesive Formulations: Incorporated into formulations to promote curing and improve the elasticity and durability of sealants and adhesives.

Basic Information

Product Name	Bis(Ethoxythiocarbonyl) Pertetrasulfide
CAS No.	1851-71-4
Molecular Formula	C6H10O2S6
Molecular Weight	322.46 g/mol
Synonyms	Bis(ethoxycarbonothioyl) Tetrasulfide; Tetraethyl Thiuram Tetrasulfide; Ethyl Tuads; Tetrasulfiram; TETD-S4; 1,2-Bis(ethoxycarbonothioylthio)disulfane; Ethyl Perkacit TETD-S; Accelerator TETD-S
EINECS	217-438-5

Quality Control

Our Bis(Ethoxythiocarbonyl) Pertetrasulfide is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. The product undergoes rigorous analytical testing, including assay, identification, and impurity profiling. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is light-sensitive and easily oxidized; it is recommended to store under an inert atmosphere (e.g., nitrogen) for long-term preservation to maintain optimal quality and stability. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Light yellow to yellow powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Melting Point	65 - 70 °C
Sulfur Content	Contact for details
Loss on Drying	≤ 1.0 %
Residue on Ignition	≤ 0.5 %

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