5-Methylbenzotriazole (5MBT), CAS 136-85-6
5-Methylbenzotriazole (5MBT), CAS 136-85-6, is a methyl-substituted benzotriazole compound used primarily as a corrosion inhibitor. It is also known as 5-Methyl-1H-benzotriazole, 5-Methyl-1,2,3-benzotriazole, 5-Tolyltriazole and Tolutriazole in chemical reference and commercial literature.
Chemical Name: 5-Methyl-1H-benzotriazole
Product Name: 5-Methylbenzotriazole
Abbreviation: 5MBT
Alternative Names: 5-Methyl-1,2,3-benzotriazole, 5-Tolyltriazole, Tolutriazole
CAS No.: 136-85-6
EC No.: 205-265-8
Molecular Formula: C7H7N3
Molecular Weight: 133.15 g/mol
IUPAC Name: 5-Methyl-2H-benzotriazole
Properties: Pure product form light yellow to white granules or powder, insoluble in water, soluble in alcohol, benzene, toluene, chloroform and other organic solvents, soluble in dilute lye.

Appearance: Light yellow to white granules, powders
Purity: ≥99.00%
Melting Point: 79-86℃
Moisture: ≤0.15%
Ash: ≤0.05%
Aquous PH: 5.0-6.0
Widely used in petroleum additives, with anti-wear, anti-corrosion, anti-oxidation, anti-rust and other properties. It can also be used as an antirust and corrosion inhibitor for copper and copper alloys, and has certain protective effects on stainless steel, cast iron, cadmium and nickel alloys.
25kg/fiber drum.
8400MT/year.
Store in tightly sealed original containers in a cool, dry and well-ventilated area.
Protect the product from moisture and contamination.
Avoid unnecessary exposure to heat and incompatible materials.
Keep containers closed when not in use.
Hosea Chem® offers supply support for 5-Methylbenzotriazole (5MBT), CAS 136-85-6, for copper corrosion inhibition, metal protection, industrial water treatment and related formulation applications.