trans-2,4-Dichlorocinnamic acid
Tech Serve Solutions presents trans-2,4-Dichlorocinnamic acid (CAS: 20595-45-3), a C9 organic building block with the linear formula Cl2C6H3CH=CHCO2H and a molecular weight of 217.05 g/mol. This carboxylic acid derivative is primarily utilised in chemical synthesis as a valuable intermediate. Its precise structure and reactive functional groups make it suitable for further derivatisation in various research and development applications.
- Synonyms
- Cl2C6H3CH=CHCO2H

Organic Synthesis Intermediate
trans-2,4-Dichlorocinnamic acid serves as a key intermediate in the synthesis of more complex organic molecules. Its dichlorinated phenyl ring and carboxylic acid moiety offer multiple reaction sites for further chemical modification.
Research and Development
This compound is frequently employed in academic and industrial research settings for the exploration of new chemical entities and reaction pathways. It is a useful building block for creating novel compounds with potential applications.
Material Science Precursor
The distinct chemical structure of trans-2,4-Dichlorocinnamic acid may lend itself to applications as a precursor in the development of specialised materials, although specific uses are typically proprietary.
| Molecular weight | 217.05 |
|---|---|
| Linear formula | Cl2C6H3CH=CHCO2H |
| Assay | 98% |
| Melting point | 233-235 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
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-2,4-Dichlorocinnamic acid used for?
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trans-2,4-Dichlorocinnamic acid is used as an intermediate in organic synthesis and in research and development for creating novel chemical compounds.
What is the CAS number and formula for trans-2,4-Dichlorocinnamic acid?
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The CAS number is 20595-45-3, and its linear formula is Cl2C6H3CH=CHCO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies trans-2,4-Dichlorocinnamic acid with an assay of 98%. We do not represent this product as meeting USP, BP, or EP pharmacopoeia standards.
How should trans-2,4-Dichlorocinnamic acid be handled safely?
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Handling requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. Refer to the Safety Data Sheet for comprehensive guidance.
Is trans-2,4-Dichlorocinnamic acid a controlled substance?
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The provided data does not indicate that trans-2,4-Dichlorocinnamic acid is a controlled substance.
How is trans-2,4-Dichlorocinnamic acid shipped and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, experienced in the logistics of shipping laboratory reagents worldwide.
How can I request a quote or sample for trans-2,4-Dichlorocinnamic acid?
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Please contact our sales team via the website or direct inquiry to request a quote or to arrange for a sample of trans-2,4-Dichlorocinnamic acid.
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