Description

n-tert-Butyl-2-Benzothiazolesulfenamide is a crucial sulfenamide-class accelerator widely used in the rubber vulcanization process. Its primary value lies in providing a delayed action, or scorch safety, which allows for longer processing times and safer handling of rubber compounds before curing begins. This product is essential for manufacturers in the tire, automotive parts, and industrial rubber goods industries seeking to optimize production efficiency and final product performance.

Application

• Primary Rubber Vulcanization Accelerator: Used as a delayed-action accelerator in the sulfur vulcanization of natural rubber (NR), synthetic polyisoprene (IR), and styrene-butadiene rubber (SBR).
• Tire Manufacturing: A key component in tire treads, sidewalls, and other carcass compounds to ensure optimal cure characteristics and physical properties.
• Technical Rubber Goods: Employed in the production of conveyor belts, hoses, seals, gaskets, and vibration dampeners.
• Footwear and Sporting Goods: Used in rubber soles, athletic surfaces, and other molded rubber products requiring consistent curing.
• Cable and Wire Insulation: Imparts excellent scorch safety and curing efficiency in rubber insulation and sheathing compounds.
• Blends with Other Accelerators: Often used in combination with thiazoles or guanidines to achieve specific curing profiles and synergistic effects.

Basic Information

Product Name	n-tert-Butyl-2-Benzothiazolesulfenamide
CAS No.	95-31-8
Molecular Formula	C11H14N2S2
Molecular Weight	238.37 g/mol
Synonyms	TBBS; N-tert-Butylbenzothiazole-2-sulfenamide; 2-(tert-Butylthio)benzothiazole; Benzothiazyl-tert-butylsulfenamide; Santocure® TBBS; Vulkacit NZ®; Accelerator TBBS; 2-Benzothiazolesulfenamide, N-(1,1-dimethylethyl)-; N-(1,1-Dimethylethyl)-2-benzothiazolesulfenamide
EINECS	202-406-6

Quality Control

Our n-tert-Butyl-2-Benzothiazolesulfenamide is manufactured under a stringent quality management system. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, melting point, and performance characteristics. A Certificate of Analysis (COA) detailing these results is provided with each shipment to guarantee traceability and compliance with your quality 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). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed when not in use to prevent absorption of atmospheric moisture, which can affect performance. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Light yellow to beige powder or flakes
Identification (IR)	Conforms
Assay (HPLC)	≥ 97.0 %
Melting Point	100 - 106 °C
Loss on Drying	≤ 0.5 %
Ash Content	≤ 0.3 %

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