Tolyltriazole CAS#29385-43-1
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Effective Corrosion Inhibition: Forms a durable electrochemical barrier on metal surfaces to help prevent corrosion and protect metal components and machinery.
Excellent Thermal and Oxidative Stability: The protective film offers favorable resistance to oxidation and heat, supporting long-term corrosion protection.
Excellent Protection for Copper and Alloys: Particularly effective for pure copper and copper alloys, helping prevent galvanic corrosion when copper comes into contact with other metals.
Broad Metal Protection: Provides corrosion protection for cobalt, silver, and zinc, and can also help protect aluminum and steel when combined with other corrosion inhibitors.
Products Description of Tolyltriazole CAS#29385-43-1
Tolyltriazole is a water-stabilizing chemical that helps inhibit corrosion by bonding to the surfaces of metal components and machinery, preventing water from destabilizing the molecular structure of metals. It forms a durable electrochemical protective barrier that is sufficiently thick to resist corrosive chemicals. This protective film offers good oxidative and thermal stability and provides long-term corrosion protection without contaminating process fluids or the metal materials used in piping systems.
Similar to benzotriazole, another commonly used corrosion inhibitor, tolyltriazole contains an additional methyl group that improves its solubility in certain organic solvents. It is particularly suitable for protecting pure copper and copper alloys, as it helps prevent galvanic corrosion when copper comes into contact with other metals. Tolyltriazole can also protect cobalt, silver, and zinc from corrosion. When used in combination with other corrosion inhibitors, it can additionally help protect aluminum and steel surfaces.
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) |
| 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, |
Product Application of Tolyltriazole CAS#29385-43-1
Tolyltriazole is used as a corrosion inhibitor to provide protective treatment for metal surfaces, particularly copper and copper-based materials.



