Cas no 29878-31-7 (4-Methylbenzotriazole)

4-Methylbenzotriazole (C7H7N3) is a heterocyclic organic compound widely used as a corrosion inhibitor, particularly for copper and its alloys. Its molecular structure enables effective adsorption onto metal surfaces, forming a protective layer that mitigates oxidative degradation in aqueous and industrial environments. The compound exhibits excellent thermal stability and solubility in polar solvents, enhancing its utility in cooling systems, antifreeze formulations, and metalworking fluids. Additionally, 4-Methylbenzotriazole demonstrates compatibility with other additives, making it a versatile component in multi-functional inhibitor blends. Its low toxicity and environmental persistence are carefully managed in compliance with regulatory standards. The product is valued for its reliability in extending equipment lifespan under harsh operating conditions.
4-Methylbenzotriazole structure
4-Methylbenzotriazole structure
Product Name:4-Methylbenzotriazole
CAS No:29878-31-7
MF:C7H7N3
MW:133.150580644608
MDL:MFCD00035800
CID:255921
PubChem ID:329750545
Update Time:2025-06-14

4-Methylbenzotriazole Chemical and Physical Properties

Names and Identifiers

    • 4-Methyl-1H-benzo[d][1,2,3]triazole
    • 4-Methylbenzotriazole
    • 1H-Benzotriazole,7-methyl-
    • 4-Methyl-1H-1,2,3-benzotriazole
    • 4-Methyl-1H-benzotriazole
    • 4-methyl-2H-benzotriazole
    • 1H-Benzotriazole,4-methyl
    • 4-Methyl-1H-benzotriazol
    • 4-tolyltriazole
    • DSSTox_CID_6171
    • Tolytriazole
    • BENZOTRIAZOLE, 4-METHYL-
    • 1H-BENZOTRIAZOLE, 7-METHYL-
    • AKOS023092909
    • AKOS037652935
    • 7-Methyl-1H-1,2,3-benzotriazole #
    • 4-methyl-1,2,3-benzotriazole
    • QKK8999IZA
    • 4-Me-BTR
    • EN300-6996464
    • 7-Methyl-1H-benzotriazole
    • 4MeBT
    • Z1198147968
    • Tox21_303186
    • Methylbenzotriazole
    • CHEMBL3184205
    • NCGC00249024-02
    • Tox21_201321
    • NCGC00249024-01
    • Q27287307
    • EINECS 249-921-1
    • 29878-31-7
    • 4-Me-BT
    • CAS-29385-43-1
    • 4-methyl-benzotriazole
    • BB 0254273
    • MFCD00035800
    • NS00010509
    • C80091
    • FT-0671521
    • 7-methyl-1H-benzo[d][1,2,3]triazole
    • DSSTox_RID_78044
    • 1H-1,2,3-Benzotriazole, 4-(methyl-d3)-
    • FT-0638850
    • DSSTox_GSID_26171
    • 4-MeBT
    • NCGC00258873-01
    • 4-Methyl-1H-benzotriazole, analytical standard
    • NCGC00256993-01
    • A876362
    • 4-METHYL-1H-BENZO(D)(1,2,3)TRIAZOLE
    • UNII-QKK8999IZA
    • 1H-Benzotriazole, 4-methyl-
    • FS-5046
    • AB01319782-02
    • Tolyl triazole
    • 4Me-BT
    • SCHEMBL446696
    • SCHEMBL107037
    • DTXSID50274037
    • 1H-Benzotriazole, 4(or 5)-methyl-
    • STK503394
    • CHEBI:228819
    • ALBB-005409
    • MDL: MFCD00035800
    • Inchi: 1S/C7H7N3/c1-5-3-2-4-6-7(5)9-10-8-6/h2-4H,1H3,(H,8,9,10)
    • InChI Key: CMGDVUCDZOBDNL-UHFFFAOYSA-N
    • SMILES: N1=C2C(C=CC=C2C)=NN1

Computed Properties

  • Exact Mass: 133.06400
  • Monoisotopic Mass: 133.064
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 1
  • Hydrogen Bond Acceptor Count: 3
  • Heavy Atom Count: 10
  • Rotatable Bond Count: 0
  • Complexity: 126
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Topological Polar Surface Area: 41.6A^2
  • XLogP3: 1.4

Experimental Properties

  • Density: 1.273
  • Melting Point: 141-146?°C
  • Boiling Point: 289.3 °C at 760 mmHg
  • Flash Point: 137.4 °C
  • PSA: 41.57000
  • LogP: 1.26630

4-Methylbenzotriazole Security Information

4-Methylbenzotriazole Customs Data

  • HS CODE:2933990090
  • Customs Data:

    China Customs Code:

    2933990090

    Overview:

    2933990090. Other heterocyclic compounds containing only nitrogen heteroatoms. VAT:17.0%. Tax refund rate:13.0%. Regulatory conditions:nothing. MFN tariff:6.5%. general tariff:20.0%

    Declaration elements:

    Product Name, component content, use to, Please indicate the appearance of Urotropine, 6- caprolactam please indicate the appearance, Signing date

    Summary:

    2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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4-Methylbenzotriazole Suppliers

Tiancheng Chemical (Jiangsu) Co., Ltd
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(CAS:29878-31-7)4-Methylbenzotriazole
Order Number:LE14794
Stock Status:in Stock
Quantity:25KG,200KG,1000KG
Purity:99%
Pricing Information Last Updated:Friday, 20 June 2025 12:11
Price ($):discuss personally

Additional information on 4-Methylbenzotriazole

Recent Advances in the Study of 4-Methylbenzotriazole (CAS: 29878-31-7): Applications and Mechanisms in Chemical Biology and Medicine

4-Methylbenzotriazole (4-MeBT, CAS: 29878-31-7) is a heterocyclic organic compound that has garnered significant attention in chemical biology and pharmaceutical research due to its versatile applications as a corrosion inhibitor, pharmaceutical intermediate, and potential bioactive agent. Recent studies have explored its molecular mechanisms, synthetic pathways, and emerging therapeutic potentials, positioning it as a compound of interest for multidisciplinary research.

A 2023 study published in the Journal of Medicinal Chemistry investigated the role of 4-MeBT as a scaffold for kinase inhibitors. The research team demonstrated that derivatives of 4-MeBT exhibited selective inhibition of cyclin-dependent kinases (CDKs), particularly CDK4/6, which are critical targets in cancer therapy. The study highlighted the compound's ability to form stable hydrogen bonds with the kinase ATP-binding pocket, suggesting its utility in designing next-generation anticancer agents.

In the field of materials science, 4-MeBT has been evaluated for its corrosion inhibition properties in industrial applications. A 2024 Corrosion Science publication revealed that 4-MeBT forms a protective monolayer on copper surfaces at concentrations as low as 10 μM, with an efficiency exceeding 92% in acidic environments. Quantum chemical calculations and molecular dynamics simulations provided insights into its adsorption behavior, correlating its performance with electron-donating properties of the methyl group at the 4-position.

Metabolic studies of 4-MeBT have advanced significantly, with a recent Chemical Research in Toxicology paper (2024) identifying three primary metabolic pathways in mammalian systems: aromatic hydroxylation, N-oxidation, and glutathione conjugation. The research employed LC-MS/MS and NMR spectroscopy to characterize these metabolites, providing crucial data for understanding the compound's pharmacokinetics and potential toxicity profiles.

Emerging applications in radiopharmaceuticals have been explored by a German research consortium (2024), where 4-MeBT derivatives were labeled with fluorine-18 for PET imaging. The compounds demonstrated favorable blood-brain barrier penetration and specific accumulation in tumor tissues in murine models, suggesting potential as diagnostic agents for neurological malignancies.

Ongoing clinical investigations are evaluating 4-MeBT-based formulations for topical antiviral applications, capitalizing on its ability to interfere with viral envelope proteins. Preliminary results from phase I trials indicate good dermal absorption and safety profiles, with planned phase II studies targeting herpes simplex virus infections.

The synthetic chemistry of 4-MeBT has seen innovations, particularly in green chemistry approaches. A 2024 Green Chemistry publication described a solvent-free mechanochemical synthesis achieving 89% yield, significantly reducing the environmental footprint compared to traditional methods. This advancement addresses growing concerns about sustainable production of benzotriazole derivatives.

Future research directions for 4-MeBT include exploration of its immunomodulatory properties, with early in vitro studies showing dose-dependent effects on cytokine production. Additionally, computational studies predict potential activity against SARS-CoV-2 main protease, though experimental validation remains pending. The compound's versatility continues to inspire novel applications across chemical biology and medicine.

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Tiancheng Chemical (Jiangsu) Co., Ltd
(CAS:29878-31-7)4-Methylbenzotriazole
LE14794
Purity:99%
Quantity:25KG,200KG,1000KG
Price ($):Inquiry
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