Petro chemical
Tolyltriazole (methylbenzotriazole) is an important organic compound widely used in metal corrosion inhibition and rust prevention. As a highly efficient metal protective agent, it plays a crucial role in industrial production, and its protective effect is especially significant for copper and copper alloys.
The chemical structure of tolyltriazole is based on a benzotriazole ring containing a methyl substituent, and this structural feature gives it good metal affinity and stability. According to research data, tolyltriazole has CAS No. 29385-43-1, molecular formula C7H7N3, and molecular weight 133.15. It is also called 5-methylbenzotriazole or methyl-1H-benzotriazole, and English aliases include tolyltriazole, TTA, 5-methylbenzotriazole and 5-methyl-1H-benzotriazole.
In terms of appearance, pure tolyltriazole appears as white to pale yellow needle-like powder or granules, sometimes as yellowish-brown to light brown granules. It has a distinctive odor, described as faint to odorless. Under normal temperature and pressure, it exists in solid form, and this physical state makes it easy to store and transport.
The effects of tolyltriazole in various application fields are compared in the table below:
|
Application Field |
Main Function |
Use Concentration |
Effect |
Remarks |
|
Metal corrosion inhibition |
Forms a protective film, prevents metal corrosion |
0.1%-2% |
Corrosion rate reduced by more than 90% |
Better effect when compounded with MBT·Na |
|
Water treatment |
Corrosion inhibition for copper and copper alloys |
2-10 mg/L |
Effectively prevents pipeline corrosion |
Shock dosing can reach 5-10 times the concentration |
|
Lubricating oil additives |
Metal deactivation, antioxidation |
0.05%-0.5% |
Friction coefficient reduced by 30% |
Significant effect when compounded with molybdate |
|
Automotive antifreeze |
Prevents cooling system corrosion |
0.1%-0.5% |
Effectively protects copper and aluminum parts |
- |
|
Rust-preventive oil (grease) |
Improves rust-prevention performance |
0.5%-3% |
No rust for 12 months in humid environments |
- |
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If you do not return the status of this order, you purchase the goods invoice will receive the goods from seven to ten working days, please pay attention to the receipt box.