Description

Cobratec #99 is a high-performance benzotriazole derivative corrosion inhibitor, identified by CAS No. 27556-51-0. It is engineered to provide superior protection for metals, particularly copper and its alloys, against a wide range of corrosive environments. This product is essential for formulators and manufacturers in industries such as metalworking fluids, industrial coolants, and coatings who require reliable, long-lasting corrosion control.

Application

Cobratec #99 is a versatile corrosion inhibitor with key applications across multiple industries:

• As a primary or synergistic component in metalworking fluids and coolants.
• Protection of copper and brass components in industrial recirculating water systems and heat exchangers.
• Formulation of anti-corrosion additives for hydraulic fluids, greases, and lubricants.
• Use in automotive and aerospace antifreeze/coolant formulations.
• Incorporation into protective coatings and paints for metal substrates.
• As a stabilizing agent in chemical processes where copper catalysis is involved.

Basic Information

Item	Details
Product Name	Cobratec #99
CAS No.	27556-51-0
Molecular Formula	C9H9N3
Molecular Weight	159.19 g/mol
Synonyms	1H-Benzotriazole, 1,2,3-Benzotriazole; BTA; Cobratec 99; TTZ; Azimidobenzene; Benzene azimide; Benzisotriazole; NSC 3098; Copper Corrosion Inhibitor BTA
EINECS	248-531-5

Quality Control

Every batch of Cobratec #99 is produced and tested under a strict quality management system to ensure consistent performance and purity. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) are available upon request, detailing key parameters such as assay, melting point, and appearance.

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.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 99.0%
Melting Point	95 - 99 °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.