3,4,5-Trimethoxytoluene
3,4,5-Trimethoxytoluene (CAS 6443-69-2) is an organic compound with the linear formula (CH3O)3C6H2CH3 and a molecular weight of 182.22 g/mol. This substance serves as a valuable building block in chemical synthesis. It has been utilized as a substructure model compound in research, particularly in studies involving reactions with chlorine-based agents. Available from Tech Serve Solutions with a purity of 97%, it is suitable for various laboratory and industrial applications.
- IUPAC
- 5-Methylpyrogallol trimethyl ether
- Synonyms
- 6443-69-2(CH3O)3C6H2CH35-Methylpyrogallol trimethyl ether

Chemical Synthesis
3,4,5-Trimethoxytoluene functions as a key intermediate and building block in organic synthesis. Its specific structural features make it useful for constructing more complex molecules.
Research and Development
This compound has been employed as a substructure model in scientific investigations, including studies of reactions between trimethoprim and active chlorine species.
Organic Building Block
As an organic building block, 3,4,5-Trimethoxytoluene is integral to the development of novel chemical entities and materials within research laboratories.
| Molecular weight | 182.22 |
|---|---|
| Linear formula | (CH3O)3C6H2CH3 |
| Assay | 97% |
| Boiling point | 117-118 °C/5 mmHg(lit.) |
| Density | 1.082 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.523(lit.) |
| Application | 3,4,5-Trimethoxytoluene was used as a substructure model compound in the reaction of trimethoprim with free available chlorine (i.e. HOCl)1. |
| Melting point | 24-26 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Flash point | 74 °C / 165.2 °F |
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 3,4,5-Trimethoxytoluene used for?
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3,4,5-Trimethoxytoluene is used as a building block in chemical synthesis and has been utilised as a substructure model compound in research.
What is the CAS number and chemical formula for 3,4,5-Trimethoxytoluene?
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The CAS number is 6443-69-2, and the linear formula is (CH3O)3C6H2CH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,4,5-Trimethoxytoluene at a minimum assay of 97%. This is a technical/research grade material, and TSS does not represent it as USP, BP, EP, or other pharmacopoeia grades.
What are the safety precautions for handling 3,4,5-Trimethoxytoluene?
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Handling 3,4,5-Trimethoxytoluene requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. The substance is classified under WGK 2 in Germany. Ensure adequate ventilation and avoid exposure.
How is 3,4,5-Trimethoxytoluene packed and shipped?
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Tech Serve Solutions ensures secure and compliant packing for all chemicals, adhering to international shipping regulations for safe export worldwide.
How can I request a sample or quote for 3,4,5-Trimethoxytoluene?
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To request a sample or a quotation, please contact our sales team through the website or by phone, specifying the product name and CAS number (6443-69-2).
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