Product advantages:

The factory achieves stable production with a purity of over 99.5% and metal ions below 100 ppb.

Identification
Name		5-Methyl-1H-benzotriazole
Synonyms		5-Methyl-1H-benzo-1,2,3-triazole 5-methyl-1h-benzotriazol m-Aziminotoluene 5-METHYLBENZOTRIAZOLE 5-METHYL-1H-BENZOTRIAZOLE 5-Methyl-2H-benzotriazole 5-Methyl-3H-benzotriazole 6-Methyl-1H-benzotriazole
Molecular Structure
Molecular Formula		C7H7N3
Molecular Weight		133.15
CAS Registry Number		136-85-6 (49636-02-4)
Properties
Melting point		80-84 ºC
Boiling point		210-212 ºC (12 mmHg)
Water solubility		6.0 g/L (25 ºC)
density		1.1873
refractive index		1.5341
Flash point		210-212°C
pka		8.74±0.40
Exterior		White to off-white crystalline powder
Safety Data
Hazard Symbols		Xn
Risk Codes		R22;R37
Safety Description		S36;S38

5-Methyl-1H-benzotriazole use：

A potential nitrification inhibitor of urea fertilizer in agricultural soils.

5-Methylbenzotriazole (CAS No.: 136-85-6, Molecular Formula: C₇H₇N₃) is a highly efficient organic corrosion inhibitor and metal passivator. It is widely used in metal processing, industrial water treatment, automotive coolants, electronic chemicals, and polymer materials. This product is a white to off-white crystalline powder with excellent chemical stability, high-temperature resistance, and corrosion inhibition properties. It effectively prevents oxidation and corrosion of non-ferrous metals such as copper, silver, and zinc. Additionally, it can be used as a light stabilizer and antioxidant.

---

Core Advantages of Our Company

1. Advanced Production Technology & R&D Capabilities
We adopt internationally advanced catalytic synthesis processes and multi-stage purification technologies to achieve high purity (≥99.5%) and low impurity content (chloride, heavy metals, etc. far below industry standards) of 5-methylbenzotriazole. With our independently developed continuous production system, we significantly enhance production efficiency, reduce energy consumption and manufacturing costs, and ensure batch-to-batch stability and consistency at an industry-leading level.

2. Rigorous Quality Control System

• Full-process Quality Management: From raw material sourcing and intermediate synthesis to final product packaging, we implement ISO 9001 and ISO 14001 certified systems and comply with international regulations such as REACH and RoHS.

• Precision Testing Capability: Equipped with advanced instruments such as HPLC, GC-MS, and ICP-OES, we conduct comprehensive testing for purity, metal ion content, and physicochemical properties to ensure traceability and verifiable quality for every batch.

3. Customized Solution Services
Backed by a strong R&D team and flexible production lines, we offer tailored services, including:

• Metal Ion Control: Providing different metal ion specification levels based on customer requirements (no control – 100 ppb – 50 ppb – 10 ppb).

---

Application Fields

5-Methyl-1H-benzotriazole (commonly abbreviated as MBT) is a versatile chemical used across multiple industries. Its primary end-use sectors include:

1. Metalworking & Corrosion Protection

• Automotive Industry: Used in coolants and antifreeze formulations to prevent metal component corrosion.

• Aerospace: Protects aircraft components from corrosion.

• Machinery Manufacturing: Used in cutting and metalworking fluids to extend equipment lifespan.

2. Water Treatment

• Industrial Cooling Systems: Prevents corrosion and scaling in cooling water systems.

• Boiler Water Treatment: Prevents corrosion and deposits in boiler systems.

3. Electronics & Semiconductors

• Electronics Manufacturing: Used in cleaning agents and etching solutions to prevent metal corrosion.

• Semiconductor Industry: Applied in wafer cleaning and polishing solutions to protect metal parts.

4. Coatings & Paints

• Anti-Corrosion Coatings: Enhances corrosion resistance in coatings for ships, bridges, and other infrastructure.

• Industrial Coatings: Provides corrosion protection for machinery and pipelines.

5. Plastics & Polymers

• Plastic Additives: Improves stability and aging resistance in PVC and other plastics.

• Polymer Production: Enhances performance in certain polymer manufacturing processes.

6. Other Industries

• Photography: Used in developer solutions to prevent metal corrosion.

• Laboratories: Serves as a chemical reagent in research and analysis.

---

By Choosing Us, You Will Receive:

✅ High-purity, high-performance 5-methylbenzotriazole products
✅ Technologically advanced, environmentally compliant, and reliable supply chain
✅ Tailored, responsive, and one-stop service solutions

We welcome your inquiries and look forward to building value together!