2,6-Dimethoxybenzaldehyde
2,6-Dimethoxybenzaldehyde (CAS: 3392-97-0) is an organic compound with the molecular formula (CH3O)2C6H3CHO and a molecular weight of 166.17 g/mol. This aromatic aldehyde is a valuable building block in organic synthesis. Its structure, featuring methoxy groups ortho to the aldehyde, influences its reactivity. It serves as a precursor in the synthesis of various organic molecules and intermediates, particularly where specific substitution patterns are required.
- Synonyms
- (CH3O)2C6H3CHO2,6-Dimethoxy-benzaldehyde

Precursor for 2,6-Dihydroxybenzaldehyde Synthesis
2,6-Dimethoxybenzaldehyde is utilised in the preparation of 2,6-dihydroxybenzaldehyde via a demethylation reaction, typically employing reagents such as aluminium bromide (AlBr3).
Organic Synthesis Building Block
This compound functions as a versatile building block in organic chemistry, enabling the construction of more complex molecules. Its aldehyde functionality allows for various condensation and addition reactions.
Intermediate in Chemical Manufacturing
It is employed as an intermediate in the multi-step synthesis of fine chemicals and potentially pharmaceutical precursors, where its specific aromatic substitution pattern is advantageous.
| Molecular weight | 166.17 |
|---|---|
| Linear formula | (CH3O)2C6H3CHO |
| Assay | 99% |
| Boiling point | 285 °C(lit.) |
| Application | 2,6-Dimethoxybenzaldehyde has been used in the preparation of 2,6-dihydroxybenzaldehyde by demethylation with AlBr31. |
| Melting point | 96-98 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-37/39 |
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 2,6-Dimethoxybenzaldehyde used for?
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2,6-Dimethoxybenzaldehyde is primarily used as a building block in organic synthesis and as a precursor for preparing other compounds, notably 2,6-dihydroxybenzaldehyde.
What is the CAS number and chemical formula for 2,6-Dimethoxybenzaldehyde?
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The CAS number for 2,6-Dimethoxybenzaldehyde is 3392-97-0, and its linear chemical formula is (CH3O)2C6H3CHO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,6-Dimethoxybenzaldehyde with a minimum purity of 99%. This product is supplied for laboratory and research purposes; it is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should 2,6-Dimethoxybenzaldehyde be handled?
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2,6-Dimethoxybenzaldehyde is classified as a Warning substance (GHS07) and causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment, including eyeshields, gloves, and an N95 dust mask, in a well-ventilated area.
Is 2,6-Dimethoxybenzaldehyde a controlled substance?
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Based on the provided data, 2,6-Dimethoxybenzaldehyde is not indicated as a controlled substance.
How is 2,6-Dimethoxybenzaldehyde shipped and exported?
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As a global supplier, Tech Serve Solutions professionally packs and exports chemicals worldwide, adhering to all relevant shipping regulations.
How can I request a quote or sample for 2,6-Dimethoxybenzaldehyde?
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To request a quote or sample, please use the contact form on our website or reach out to our sales team with your specific requirements.
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