Tolyltriazole
Corrosion Inhibition: Tolyltriazole effectively inhibits corrosion by forming a stable electrochemical protective film on metal surfaces, helping maintain the integrity and functionality of machinery and components.
Thermal and Oxidative Resistance: The protective layer formed exhibits high durability, providing strong resistance against high temperatures and oxidative conditions to ensure prolonged protection.
Multi-Metal Compatibility: It offers corrosion protection for a variety of metals such as copper, cobalt, silver, and zinc, and can also safeguard aluminum and steel when used in combination with other corrosion inhibitors.
Enhanced Solubility and Performance: The presence of a methyl group in tolyltriazole improves its solubility in certain organic solvents, thereby enhancing its efficacy in mitigating galvanic corrosion in copper and its alloys.
Tolyltriazole serves as an efficient water-stabilizing agent that inhibits corrosion through adsorption onto metal surfaces and equipment components. By establishing strong adhesive interactions, it shields the molecular structure of metals from aqueous damage. The compound forms a resilient electrochemical barrier that is sufficiently robust to withstand corrosive agents. This protective film demonstrates outstanding oxidative and thermal stability, maintaining long-term integrity without contaminating process fluids or accumulating within piping systems.
Similar to benzotriazole—a widely used corrosion inhibitor—tolyltriazole contains an additional methyl group that improves its solubility in specific organic solvents. This property enhances its performance in preventing galvanic corrosion, particularly in pure copper and copper alloys coupled with dissimilar metals. Besides copper, tolyltriazole provides effective protection for metals such as cobalt, silver, and zinc. It can also be applied in conjunction with other inhibitors to extend corrosion resistance to aluminum and steel, broadening its utility across multiple industrial sectors.
Tolyltriazole Chemical Properties
Melting point | 76-87°C |
Boiling point | 160°C |
density | 1.24 |
vapor pressure | 14.3Pa at 25℃ |
refractive index | 1.5341 (estimate) |
storage temp. | Sealed in dry,2-8°C |
solubility | Chloroform (Slightly), Methanol (Slightly) |
form | Solid |
pka | 8.85[at 20 ℃] |
color | White to Off-White |
Odor | Faint to no odor |
Water Solubility | <0.01 g/100 mL at 18 ºC |
Stability: | Stable. Flammable. Incompatible with strong oxidizing agents. |
LogP | 1.081 at 25℃ |
CAS DataBase Reference | 29385-43-1(CAS DataBase Reference) |
| EPA Substance Registry System | Tolyl triazole (29385-43-1) |
Safety Information
Hazard Codes | Xn |
Risk Statements | 20/21/22-36/37/38-41-22 |
Safety Statements | 22-36/37/39 |
RTECS | DM1300000 |
HS Code | 2933998090 |
Hazardous Substances Data | 29385-43-1(Hazardous Substances Data) |
Toxicity | rabbit,LD,skin,> 4gm/kg (4000mg/kg),National Technical Information Service. Vol. OTS0520643, |
