3-Methylcinnamic acid, predominantly trans
3-Methylcinnamic acid, predominantly trans (CAS: 14473-89-3) is an organic compound with the linear formula CH₃C₆H₄CH=CHCO₂H and a molecular weight of 162.19 g/mol. As a carboxylic acid and a derivative of cinnamic acid, it serves as a valuable building block in organic synthesis. Its structure lends itself to various chemical transformations, making it useful in the research and development of more complex molecules across diverse chemical sectors.
- Synonyms
- 3-Methylcinnamic acid

Organic Synthesis Intermediate
3-Methylcinnamic acid is employed as a key intermediate in the synthesis of various organic compounds. Its reactive functional groups allow for diverse chemical modifications, facilitating the construction of complex molecular architectures.
Research and Development
This compound is utilised in academic and industrial research laboratories for exploring new synthetic pathways and developing novel materials. Its availability as a chemical building block supports fundamental chemical research.
Fine Chemical Production
It serves as a precursor in the fine chemical industry for producing specialised chemicals. The trans configuration is often preferred for its specific reactivity and stereochemical outcomes in subsequent reactions.
| Molecular weight | 162.19 |
|---|---|
| Linear formula | CH3C6H4CH=CHCO2H |
| Assay | 97% |
| Melting point | 115-118 °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 3-Methylcinnamic acid, predominantly trans used for?
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3-Methylcinnamic acid, predominantly trans (CAS: 14473-89-3) is primarily used as a building block in organic synthesis and in research and development for creating more complex organic molecules and exploring new chemical pathways.
What are the CAS number and formula for 3-Methylcinnamic acid, predominantly trans?
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The CAS number for 3-Methylcinnamic acid, predominantly trans is 14473-89-3 and its linear formula is CH₃C₆H₄CH=CHCO₂H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Methylcinnamic acid, predominantly trans with an assay of 97%. We do not represent this product as USP, BP, EP, or other pharmacopoeia grades.
What are the primary safety hazards associated with 3-Methylcinnamic acid, predominantly trans?
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3-Methylcinnamic acid, predominantly trans is classified with GHS07 symbol and 'Warning' signal word. It causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment including dust mask type N95, eyeshields, and gloves should be used when handling.
How is 3-Methylcinnamic acid, predominantly trans shipped or exported by TSS?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 3-Methylcinnamic acid, predominantly trans. We handle all aspects of international shipping and export documentation to ensure compliant delivery.
How can I request a sample or quote for 3-Methylcinnamic acid, predominantly trans?
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To request a sample or a quote for 3-Methylcinnamic acid, predominantly trans, please contact our sales team through the website or direct inquiry channels.
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