Cinnamoyl chloride
Cinnamoyl chloride (CAS: 102-92-1) is a versatile organic compound with the linear formula C6H5CH=CHCOCl and a molecular weight of 166.60 g/mol. As an acid halide and carbonyl compound, it functions as a crucial building block in organic synthesis. Its reactivity makes it valuable for introducing the cinnamoyl group into various molecular structures, facilitating the creation of more complex organic molecules.
- IUPAC
- trans-3-Phenylacryloyl chloride
- Synonyms
- trans-3-Phenylacryloyl chloride(E)-3-Phenylacryloyl chloride

Organic Synthesis Intermediate
Cinnamoyl chloride serves as a key intermediate in the synthesis of pharmaceuticals and fine chemicals. It is used to introduce the cinnamoyl moiety into target molecules through acylation reactions.
Research and Development
This compound is employed in academic and industrial research laboratories for developing novel synthetic methodologies and exploring new chemical entities. Its structure is amenable to various derivatizations.
Fine Chemical Production
It is utilised in the production of speciality chemicals where the phenylprop-2-enoyl structural unit is required. This can include precursors for polymers, dyes, or agrochemicals.
| Molecular weight | 166.60 |
|---|---|
| Linear formula | C6H5CH=CHCOCl |
| Assay | 98% |
| Boiling point | 256-258 °C(lit.) |
| Storage temperature | 2-8°C |
| Melting point | 35-37 °C(lit.) |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Transport (UN / ADR) | UN 3261 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-36/37/39-45 |
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 Cinnamoyl chloride used for?
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Cinnamoyl chloride is used as an intermediate in organic synthesis, particularly for introducing the cinnamoyl group into pharmaceuticals, fine chemicals, and materials for research and development.
What is the CAS number and formula for Cinnamoyl chloride?
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The CAS number is 102-92-1, and its linear formula is C6H5CH=CHCOCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Cinnamoyl chloride with an assay of 98%. This is a technical/research grade material, and TSS does not represent it as USP, BP, or EP grade.
How should Cinnamoyl chloride be handled safely?
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Cinnamoyl chloride is a corrosive substance (H314). Handle with appropriate personal protective equipment, including eyeshields, face shields, and chemical-resistant gloves. Ensure adequate ventilation and use a respirator if airborne exposure is possible. Store at 2-8°C.
Is Cinnamoyl chloride a controlled substance?
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The provided data does not indicate that Cinnamoyl chloride is a controlled substance.
How is Cinnamoyl chloride packed and shipped?
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Cinnamoyl chloride is classified under UN 3261, Hazard Class 8, Packing Group II. TSS exports chemicals globally, adhering to all relevant shipping regulations for hazardous materials.
How can I request a quote or sample for Cinnamoyl chloride?
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To request a quote or a sample, please contact the TSS sales team via our website or the contact details provided. Specify the CAS number 102-92-1 in your request.
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