2,5-Dimethoxybenzaldehyde
2,5-Dimethoxybenzaldehyde (CAS: 93-02-7) is an aromatic aldehyde with the molecular formula (CH3O)2C6H3CHO and a molecular weight of 166.17 g/mol. This compound serves as a crucial intermediate in organic synthesis, particularly in the pharmaceutical and fine chemical industries. Its characteristic aldehyde functionality and methoxy substituents make it a valuable building block for constructing more complex molecular architectures.
- Synonyms
- (CH3O)2C6H3CHO2,5-DimethoxyanisaldehydeBenzaldehyde, 2,5-dimethoxy-

Pharmaceutical Intermediate
2,5-Dimethoxybenzaldehyde is utilised in the synthesis of various active pharmaceutical ingredients (APIs) and drug candidates. Its structure allows for diverse chemical modifications to create novel therapeutic compounds.
Organic Synthesis Building Block
As a versatile building block, it is employed in multi-step syntheses for creating complex organic molecules. It is valuable in the development of speciality chemicals and research compounds.
Fine Chemical Synthesis
This aldehyde is a key component in the production of fine chemicals, contributing to the development of materials with specific properties and applications in various industrial sectors.
| Molecular weight | 166.17 |
|---|---|
| Linear formula | (CH3O)2C6H3CHO |
| Assay | 98% |
| Boiling point | 146 °C/10 mmHg(lit.) |
| Melting point | 46-48 °C(lit.) |


Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H334May cause allergy or asthma symptoms if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
- P342
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38-43 |
| Safety statements (S) | 26-36/37/39 |
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 2,5-Dimethoxybenzaldehyde primarily used for?
+
2,5-Dimethoxybenzaldehyde (CAS: 93-02-7) is primarily used as a building block in organic synthesis, particularly in the pharmaceutical and fine chemical industries for creating more complex molecules.
What are the CAS number and formula for 2,5-Dimethoxybenzaldehyde?
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The CAS number for 2,5-Dimethoxybenzaldehyde is 93-02-7, and its linear formula is (CH3O)2C6H3CHO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,5-Dimethoxybenzaldehyde with an assay of 98%. This is a technical or research grade chemical, and TSS does not represent it as USP, BP, or EP grade.
What are the main safety concerns when handling 2,5-Dimethoxybenzaldehyde?
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2,5-Dimethoxybenzaldehyde presents hazards including skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). It may also cause allergy or asthma symptoms or breathing difficulties if inhaled (H334). Appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, faceshields, and gloves, should be used.
How is 2,5-Dimethoxybenzaldehyde packed, shipped, and exported?
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2,5-Dimethoxybenzaldehyde is carefully packed according to industry standards to ensure safe transit. TSS is an experienced global supplier and exporter, facilitating international shipments.
How can I request a sample or quote for 2,5-Dimethoxybenzaldehyde?
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To request a sample or a quote for 2,5-Dimethoxybenzaldehyde, please contact the Tech Serve Solutions sales team via our website or direct inquiry channels.
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