Description

Selenium Dimethyldithiocarbamate is an organoselenium compound primarily used as a high-performance vulcanization accelerator in the rubber industry. This compound is valued for its ability to significantly enhance the curing rate and crosslink density of various elastomers, leading to superior final product properties. It is an essential chemical for manufacturers in the automotive, industrial hose, and specialty sealant sectors seeking to optimize production efficiency and material performance.

Application

• Rubber Vulcanization Accelerator: A key component in the sulfur vulcanization process for natural and synthetic rubbers, improving cure speed and physical properties.
• Automotive Parts Manufacturing: Used in the production of high-durability components such as seals, gaskets, hoses, and belts.
• Industrial Rubber Goods: Essential for manufacturing conveyor belts, rollers, and vibration dampeners requiring high heat and compression set resistance.
• Specialty Elastomers: Employed in the curing of nitrile rubber (NBR), ethylene-propylene-diene monomer (EPDM), and other polymers for demanding applications.
• Agricultural and Off-Road Tire Production: Contributes to the toughness and wear resistance required in heavy-duty tire formulations.
• Antioxidant/Synergist: Can function as a secondary antioxidant or synergist in certain polymer stabilization systems.

Basic Information

Product Name	Selenium Dimethyldithiocarbamate
CAS No.	144-34-3
Molecular Formula	C6H12N2S4Se
Molecular Weight	311.34 g/mol
Synonyms	Selenium Dimethyldithiocarbamate; Selenium Bis(dimethyldithiocarbamate); Bis(dimethylcarbamodithioato-κS,κS')selenium; Selenium DMDTC; Selenious Acid, Bis(dimethyldithiocarbamate); Accelerator S; Vulcanization Accelerator S; Methyl Selenac
EINECS	205-620-1

Quality Control

Our Selenium Dimethyldithiocarbamate is manufactured under strict quality management protocols to ensure batch-to-batch consistency and reliability. Production adheres to ISO 9001 standards, with rigorous in-process and final product testing. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee the material meets your specific technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents, acids, and heat sources. The container must be kept tightly sealed to minimize moisture absorption and prevent contamination.

Specification

Item	Specification
Appearance	Yellow to orange-yellow powder or crystals
Identification (IR)	Conforms
Assay (Selenium Content)	≥ 24.0 %
Melting Point	172 - 178 °C
Loss on Drying	≤ 0.5 %
Residue on Ignition (Sulfated Ash)	≤ 0.5 %
Heavy Metals (as Pb)	≤ 20 ppm

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