Description

1-Methylbenzotriazole is a versatile heterocyclic compound belonging to the benzotriazole class of corrosion inhibitors and metal deactivators. This high-purity chemical is valued for its effectiveness in protecting copper and copper alloys from tarnishing and oxidative degradation in various industrial systems. It is an essential raw material for formulators in the metalworking, cooling water treatment, and automotive industries, where reliable corrosion protection is critical for operational efficiency and equipment longevity. Global suppliers and manufacturers rely on consistent quality and stable supply chains for this key performance additive.

Application

• Corrosion Inhibition: Primary use as a highly effective copper and brass corrosion inhibitor in industrial cooling water systems, heat exchangers, and closed-loop circuits.
• Metalworking Fluids: Key additive in synthetic and semi-synthetic cutting fluids, grinding coolants, and anti-freeze formulations to prevent corrosion on machined parts and tools.
• Automotive Applications: Incorporated into engine coolants and antifreeze formulations to protect radiator cores and other copper/brass components from corrosion and cavitation.
• Polymer Stabilization: Acts as a metal deactivator and antioxidant in plastics and polymers, scavenging metal ions that can catalyze degradation during processing and use.
• Electroplating & Surface Treatment: Used in electroplating baths and surface finishing processes to improve deposit quality and provide temporary corrosion protection.
• Photographic Chemicals: Employed in certain photographic developers and solutions as a stabilizing agent.
• Research & Development: Serves as a chemical intermediate and reagent in organic synthesis and pharmaceutical research for creating novel compounds.

Basic Information

Product Name	1-Methylbenzotriazole
CAS No.	13351-73-0
Molecular Formula	C7H7N3
Molecular Weight	133.15 g/mol
Synonyms	1-Methyl-1H-benzotriazole; Tolyltriazole; TTA; Methylbenzotriazole; 1-H-Benzotriazole, 1-methyl-; 1-Methylbenzotriazole; MBT; 4-Methyl-1H-benzotriazole (isomer); Copper Corrosion Inhibitor TTA; Cobratec® TT-100
EINECS	236-403-5

Quality Control

Our 1-Methylbenzotriazole is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, color, and performance. A comprehensive Certificate of Analysis (COA) is provided with each shipment, detailing key parameters such as assay, melting point, and impurity profiles. We are committed to supplying material that consistently meets the high standards required for industrial and formulation applications.

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 and incompatible materials. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to light yellow crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 99.0%
Melting Point	80 - 84 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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