CHARACTERS: SLIGHT YELLOW TO WHITE GRANULES MELTING POINT: 80-86℃ MOISTURE: 0.2%MAX ASH: 0.05%MAX PH(25℃): 5.5-6.5 ASSAY: 99%MIN. Pure TTA is white granule or powder. TTA is a mixture of 4-methyl-benzotriazole and 5-methyl-benzotriazole. The melting point is from 80℃ to 86℃, soluble in alcohol, benzene, toluene, chloroform andwatery lye, and hardly soluble in water.

Products Details

CAS NO.: 29385-43-1 EINECS No.: 249-596-6 Molecular formula: C7H7N3 Molecular weight: 133.16   Specification 




White or light yellow granular

Content, %

99.5 min

Moisture, %

0.2 max

Melting point, ℃


Ash content, %

0.05 max

Colour (Hazen)

45 max



  Usage TTA is mainly used as antirust and corrosion inhibitor for metals. Including silver, copper, zinc, lead, nickel and so on. TTA is widely used in the products of anticorrosive oil. It also used in the gas phase corrosion inhibitor of copper and aldary, lubricant additive, cycle water treating compound and auto antifreeze. TTA also can be used with a variety of scale inhibitors and sterilization algaecide. It has a fine corrosion mitigation effect on close cycle cooling water system.   Packing 25kg inner liner PE bag, 1000kg woven bag, or customers’ requirement

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