Description

4,4'-Methylene Bis(Dibutyldithiocarbamate) is a high-performance sulfur-based chemical additive. This compound is valued for its role as an effective secondary accelerator and vulcanization agent in rubber processing. It is primarily utilized by manufacturers in the polymer and specialty chemical industries to enhance the properties and processing efficiency of various elastomers.

Application

• Rubber Vulcanization: Acts as a secondary accelerator and sulfur donor in the vulcanization of natural rubber (NR), synthetic polyisoprene (IR), and other diene rubbers.
• Polymer Stabilization: Functions as an antioxidant and anti-aging agent, protecting rubber products from thermal and oxidative degradation.
• Tire Manufacturing: Used in tire tread and sidewall compounds to improve cure characteristics and final product durability.
• Technical Rubber Goods: Employed in the production of belts, hoses, seals, and gaskets for consistent curing and enhanced mechanical properties.
• Reclaim Rubber Processing: Facilitates the devulcanization and reprocessing of rubber scrap.
• Metalworking Fluids: Serves as an extreme pressure (EP) additive and anti-wear agent in industrial lubricants.

Basic Information

Product Name	4,4'-Methylene Bis(Dibutyldithiocarbamate)
CAS No.	10254-57-6
Molecular Formula	C21H42N2S4
Molecular Weight	466.85 g/mol
Synonyms	Bis(dibutyldithiocarbamoyl)methane; Methylene bis(dibutyldithiocarbamate); 4,4'-Methylenebis(N,N-dibutyldithiocarbamate); Bis(N,N-dibutyldithiocarbamoyl)methane; Accelerator MDB; Vulcanization accelerator MDB; Dibutyl dithiocarbamate methylene ester; MBDBTDC
EINECS	233-598-8

Quality Control

Our production of 4,4'-Methylene Bis(Dibutyldithiocarbamate) adheres to stringent quality management protocols to ensure batch-to-batch consistency and reliability. The material is manufactured and tested to meet the exacting standards required for industrial rubber compounding. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and physical properties is provided with every shipment.

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 and incompatible materials. This product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Light yellow to pale brown powder or flakes
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0 %
Melting Point	70 - 85 °C
Loss on Drying	≤ 0.5 %
Ash Content	≤ 0.2 %

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