4-Hydroxy-3-methoxycinnamaldehyde
4-Hydroxy-3-methoxycinnamaldehyde (CAS: 458-36-6), with a molecular weight of 178.18 g/mol, is a substituted cinnamaldehyde. This organic compound functions as a valuable building block in chemical synthesis. Its chemical structure, HOC <sub>6</sub> H <sub>3</sub> (OCH <sub>3</sub> )CH=CHCHO, lends itself to various transformations in organic chemistry. It is commonly utilised in the creation of more complex molecules for research and development purposes.
- IUPAC
- Coniferyl aldehyde
- Synonyms
- Coniferyl aldehyde

Organic Synthesis Building Block
This aldehyde serves as a versatile intermediate in the synthesis of various organic compounds. Its functional groups allow for diverse chemical reactions, making it useful in multi-step synthetic pathways.
Research and Development
4-Hydroxy-3-methoxycinnamaldehyde is employed in academic and industrial research laboratories. It is used to explore new chemical reactions and develop novel materials or compounds.
Intermediate for Fine Chemicals
The compound can be used in the production of specialised fine chemicals. Its unique structure is suitable for incorporation into molecules with specific desired properties.
| Molecular weight | 178.18 |
|---|---|
| Linear formula | HOC6H3(OCH3)CH=CHCHO |
| Assay | 98% |
| Boiling point | 175 °C/5 mmHg(lit.) |
| Melting point | 80-82 °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 4-Hydroxy-3-methoxycinnamaldehyde used for?
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4-Hydroxy-3-methoxycinnamaldehyde is primarily used as a building block in organic synthesis and in research and development for the creation of more complex organic molecules.
What is the CAS number and molecular formula for 4-Hydroxy-3-methoxycinnamaldehyde?
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The CAS number is 458-36-6. The linear formula is HOC <sub>6</sub> H <sub>3</sub> (OCH <sub>3</sub> )CH=CHCHO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Hydroxy-3-methoxycinnamaldehyde with an assay of 98%. We do not represent this product as USP, BP, or EP grade.
How should 4-Hydroxy-3-methoxycinnamaldehyde be handled safely?
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This compound is a warning signal word substance, classified with hazards H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Recommended personal protective equipment includes a dust mask type N95 (US), eyeshields, and gloves. Ensure adequate ventilation and avoid breathing dust.
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals. Packaging and shipping adhere to international regulations for chemical transport. Please contact us for specific export details.
How can I request a sample or quote for 4-Hydroxy-3-methoxycinnamaldehyde?
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To request a sample or a quote, please visit the 'Contact Us' section on the Tech Serve Solutions website or use the 'Request a Quote' feature available on the product page.
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