... 5-methylbenzotriazole. White or offwhite powder or granules. Insoluble in water, soluble in alcohol, benzene, toluene, chloroform and dilute alkali solution. Specification ... MAXMP78-85°CPH5.5-6.5Use: Antirust agent, corrosion retardant, water stabilizer, UV absorber, anti-freezing liquid, anti-fogging agent, plant ...