Description

2-Mercaptobenzoxazole is a versatile sulfur and nitrogen-containing heterocyclic compound with significant industrial utility. Its primary value lies in its role as a highly effective corrosion inhibitor and a key intermediate in the synthesis of specialty chemicals. This product is essential for manufacturers in the rubber vulcanization, metalworking, and pharmaceutical industries, where its unique chemical properties enable enhanced performance and process efficiency.

Application

• Corrosion Inhibitor: A critical additive in industrial coolants, cutting fluids, and metal treatment formulations to protect ferrous and non-ferrous metals from oxidation and pitting.
• Rubber Vulcanization Accelerator: Used as a primary or secondary accelerator in the production of various rubber goods, improving cure rates and final product properties.
• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those with benzoxazole or thiol-based pharmacophores.
• Lubricant Additive: Functions as an anti-wear and extreme pressure (EP) agent in advanced lubricant packages for automotive and industrial machinery.
• Copper Chelating Agent: Employed in electroplating solutions and as a selective chelator in analytical chemistry and water treatment processes.
• Polymer Stabilizer: Acts as a metal deactivator and antioxidant in plastics and polymer formulations to prevent degradation.

Basic Information

Product Name	2-Mercaptobenzoxazole
CAS No.	2382-96-9
Molecular Formula	C7H5NOS
Molecular Weight	151.19 g/mol
Synonyms	2-Benzoxazolethiol; 2-MBO; MBX; Benzo[d]oxazole-2-thiol; 2-Mercapto-1,3-benzoxazole; 2-Hydroxybenzoxazole; 2-Thiobenzoxazolone; 2-Sulfanylbenzoxazole; 2-Benzoxazolyl mercaptan
EINECS	219-189-5

Quality Control

Our 2-Mercaptobenzoxazole is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for industrial and fine chemical applications. A Certificate of Analysis (COA) detailing all specifications is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Due to its sensitivity to oxidation, it is recommended to store under an inert atmosphere for long-term preservation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Light yellow to yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	195°C - 205°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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