Description

Tetra-n-Butylthiuram Disulfide is a sulfur-containing organic compound widely recognized as a versatile vulcanization accelerator and rubber chemical. Its primary value lies in its ability to significantly enhance the curing efficiency and physical properties of various elastomers, leading to improved product performance and manufacturing throughput. This chemical is essential for manufacturers in the rubber and polymer industries, particularly for producing high-quality automotive parts, industrial hoses, seals, and other durable goods.

Application

• Primary Vulcanization Accelerator for natural rubber (NR), styrene-butadiene rubber (SBR), and nitrile rubber (NBR).
• Secondary Accelerator in synergistic systems with thiazoles or sulfenamides to achieve faster cure rates.
• Non-staining, Non-discoloring Agent for light-colored or transparent rubber products.
• Processing Aid in rubber compounding to improve scorch safety and processing stability.
• Crosslinking Agent in specific polymer modification and specialty adhesive formulations.
• Agricultural Chemical Intermediate in the synthesis of certain fungicides and pesticides.
• Oil Additive component, functioning as an antioxidant and anti-wear agent.

Basic Information

Item	Details
Product Name	Tetra-n-Butylthiuram Disulfide
CAS No.	1634-02-2
Molecular Formula	C18H36N2S4
Molecular Weight	408.75 g/mol
Synonyms	Bis(dibutylthiocarbamoyl) disulfide; Tetrabutylthiuram disulfide; TBzTD; TBTD; Accelerator TBzTD; Butyl Tuads; Vulcafor TBzTD; Vanax TBTD; N,N,N',N'-Tetrabutylthiuram disulfide
EINECS	216-655-1

Quality Control

Our Tetra-n-Butylthiuram Disulfide is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications. A Certificate of Analysis (COA) detailing purity, assay, and key impurity profiles is provided with each shipment to guarantee consistency and support your quality assurance protocols.

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, sparks, open flames, and strong oxidizing agents.

Specification

Item	Specification
Appearance	Light yellow to pale brown powder or granules
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0 %
Melting Point	68 - 72 °C
Loss on Drying	≤ 0.5 %
Ash Content	≤ 0.3 %
Sieving (100 mesh)	≥ 99.5 % pass

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