Description

N,n-Diisopropylbenzothiazole-2-Sulfenamide is a specialized sulfenamide derivative primarily used as a delayed-action accelerator in the rubber vulcanization process. This compound is critical for optimizing the scorch safety and cure rate of rubber compounds, ensuring superior final product properties. It is an essential chemical for manufacturers in the tire, automotive parts, and industrial rubber goods industries seeking to enhance production efficiency and material performance.

Application

• Primary Rubber Accelerator: A key component in the vulcanization of natural rubber (NR) and synthetic rubbers like SBR and BR, providing a delayed action that prevents premature curing (scorching) during processing.
• Tire Manufacturing: Extensively used in the production of tire treads, sidewalls, and other components where a balance of processing safety and fast cure rate is required.
• Technical Rubber Goods: Employed in the manufacture of conveyor belts, hoses, seals, and gaskets to achieve optimal physical properties like tensile strength and elasticity.
• Cable & Wire Insulation: Used in rubber compounds for electrical insulation due to its efficient curing characteristics.
• Footwear & Sporting Goods: Applied in rubber soles and various molded rubber products for consistent quality and durability.
• Synergistic Blends: Often used in combination with other accelerators like thiurams or guanidines to fine-tune the vulcanization profile for specific applications.

Basic Information

Product Name	N,n-Diisopropylbenzothiazole-2-Sulfenamide
CAS No.	95-29-4
Molecular Formula	C13H18N2S2
Molecular Weight	266.42 g/mol
Synonyms	DIBS; N,N-Diisopropyl-2-benzothiazolesulfenamide; Diisopropylbenzothiazyl sulfenamide; Benzothiazole, 2-[(diisopropylamino)sulfonyl]-; Accelerator DIBS; Vulcanization accelerator DIBS; Santocure® DIBS (Trade Name); Vulkacit® DIBS (Trade Name)
EINECS	202-402-6

Quality Control

Our N,n-Diisopropylbenzothiazole-2-Sulfenamide is produced under stringent quality management systems. 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 assay, physical properties, and impurity profiles is provided with each shipment to guarantee consistency and reliability for your production processes.

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 product is hygroscopic (moisture-sensitive); keep the container tightly sealed to minimize exposure to atmospheric humidity. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Light yellow to beige powder or flakes
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0 %
Melting Point	55 - 60 °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.