Description

Methyl-2-Mercaptobenzimidazole CAS NO 53988-10-6 is a specialized organic sulfur compound belonging to the benzimidazole class, valued for its role as a key intermediate and stabilizer. Its primary commercial importance lies in its ability to function as an effective antioxidant and metal deactivator, protecting materials from degradation. This product is essential for manufacturers in the rubber, polymer, and lubricant industries seeking to enhance product longevity and performance under demanding conditions.

Application

• Rubber Antioxidant: A critical component in the production of antioxidants for rubber and elastomers, preventing oxidative aging and extending service life.
• Polymer Stabilizer: Used as a stabilizer in various polymers and plastics to inhibit thermal and oxidative degradation during processing and use.
• Lubricant Additive: Functions as an anti-wear and antioxidant additive in industrial lubricants and greases.
• Copper Corrosion Inhibitor: Acts as a effective corrosion inhibitor, particularly for copper and its alloys, in cooling systems and industrial fluids.
• Chemical Synthesis Intermediate: Serves as a versatile building block for the synthesis of more complex benzimidazole derivatives in pharmaceutical and agrochemical research.
• Photographic Chemicals: Used in the formulation of certain photographic developers and chemicals.

Basic Information

Product Name	Methyl-2-Mercaptobenzimidazole
CAS No.	53988-10-6
Molecular Formula	C8H8N2S
Molecular Weight	164.22 g/mol
Synonyms	2-Mercapto-5-methylbenzimidazole; 5-Methyl-2-mercaptobenzimidazole; 2-Mercapto-5-methyl-1H-benzimidazole; 1H-Benzimidazole-2-thiol, 5-methyl-; Usaf ek-7065; Antioxidant MMB; Vulkanox MB-2/MGC; Antigene MB; NSC 404087
EINECS	258-904-8

Quality Control

Our Methyl-2-Mercaptobenzimidazole is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets precise specifications for identity, purity, and performance. A Certificate of Analysis (COA) detailing the results is provided with each shipment to guarantee traceability and compliance with your requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents. Due to its light-sensitive nature and tendency to oxidize, prolonged exposure to air and light should be minimized.

Specification

Item	Specification
Appearance	White to light yellow crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	290 - 300 °C
Loss on Drying	≤ 0.5%
Sulfated Ash	≤ 0.1%

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