trans-3,5-Dimethoxy-4-hydroxycinnamaldehyde
trans-3,5-Dimethoxy-4-hydroxycinnamaldehyde (CAS: 4206-58-0), a derivative of cinnamic acid, is a fine chemical identified by its linear formula HOC<sub>6</sub>H<sub>2</sub>(OCH<sub>3</sub>)<sub>2</sub>CH=CHCHO and a molecular weight of 208.21 g/mol. This organic building block is primarily utilised in chemical synthesis and research applications. Its structure, featuring methoxy and hydroxyl groups along with an aldehyde functional group, makes it a valuable intermediate for creating more complex molecules in various research and development settings.
- IUPAC
- Sinapinaldehyde
- Synonyms
- SinapinaldehydeHOC6H2(OCH3)2CH=CHCHO

Organic Synthesis Intermediate
Serves as a versatile building block in organic synthesis, enabling the construction of complex molecular architectures. Its aldehyde and substituted phenyl ring provide multiple reaction sites for further functionalisation.
Research and Development
Utilised in R&D laboratories for exploring novel chemical pathways and developing new compounds. Its specific structure can be advantageous in medicinal chemistry and materials science research.
Fine Chemical Reagent
Employed as a specific reagent in multi-step synthesis protocols where its unique structural features are required. It is suitable for laboratory-scale preparations requiring high purity reagents.
| Molecular weight | 208.21 |
|---|---|
| Linear formula | HOC6H2(OCH3)2CH=CHCHO |
| Assay | 98% |
| Storage temperature | 2-8°C |
| Melting point | 104-106 °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) | 26-36 |
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 trans-3,5-Dimethoxy-4-hydroxycinnamaldehyde used for?
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trans-3,5-Dimethoxy-4-hydroxycinnamaldehyde is primarily used as an intermediate and building block in organic synthesis and research and development laboratories.
What is the CAS number and formula for trans-3,5-Dimethoxy-4-hydroxycinnamaldehyde?
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The CAS number is 4206-58-0, and the linear formula is HOC<sub>6</sub>H<sub>2</sub>(OCH<sub>3</sub>)<sub>2</sub>CH=CHCHO.
What grade and purity does Tech Serve Solutions supply for this chemical?
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Tech Serve Solutions supplies trans-3,5-Dimethoxy-4-hydroxycinnamaldehyde with an assay of 98%. This is suitable for research and general laboratory use. We do not represent it as USP, BP, EP, or any other pharmacopoeia grade.
How should trans-3,5-Dimethoxy-4-hydroxycinnamaldehyde be handled safely?
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This compound is classified as a Warning. It causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). When handling, use a dust mask type N95 (US), wear eyeshields and gloves. Ensure good ventilation. Avoid breathing dust.
How is trans-3,5-Dimethoxy-4-hydroxycinnamaldehyde packed and shipped?
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We export fine chemicals globally, ensuring appropriate packaging for safe transport and handling, adhering to international shipping regulations. Specific packing details can be provided upon request.
How can I request a sample or a quote for trans-3,5-Dimethoxy-4-hydroxycinnamaldehyde?
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To request a sample or a quote, please contact our sales team through the website or by calling us. Provide the product name and CAS number (4206-58-0) for efficient processing.
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