2,3,6-Trifluorobenzoyl chloride
2,3,6-Trifluorobenzoyl chloride (CAS: 189807-20-3) is a fluorinated aromatic acyl halide with the molecular formula F3C6H2COCl and a molecular weight of 194.54 g/mol. This compound serves as a valuable intermediate and building block in organic synthesis. Its reactive acyl chloride group and trifluorinated phenyl ring make it suitable for introducing the 2,3,6-trifluorobenzoyl moiety into various organic structures, finding utility in research and development across chemical and material sciences.
- Synonyms
- 189807-20-3F3C6H2COCl

Organic Synthesis Intermediate
Utilised as a key building block in the synthesis of complex organic molecules. The trifluorinated phenyl ring and reactive acid chloride group allow for versatile derivatisation in the development of novel compounds.
Pharmaceutical Research
Serves as a precursor or intermediate in the synthesis of potential pharmaceutical agents. Its unique structural features can be incorporated to modify the properties of drug candidates.
Agrochemical Development
Employed in the creation of new agrochemicals, where the fluorinated aromatic structure may confer desirable biological activity or modify physicochemical properties.
Material Science Applications
Can be used in the development of specialised polymers or materials where fluorination is required to impart specific characteristics like thermal stability or chemical resistance.
| Molecular weight | 194.54 |
|---|---|
| Linear formula | F3C6H2COCl |
| Assay | 98% |
| Boiling point | 77-79 °C/20 mmHg(lit.) |
| Density | 1.48 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.4825(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 | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 73 °C / 163.4 °F |
| Transport (UN / ADR) | UN 3265 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 23-26-27-36/37/39-45 |
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 2,3,6-Trifluorobenzoyl chloride used for?
+
2,3,6-Trifluorobenzoyl chloride is primarily used as a building block and intermediate in organic synthesis, with potential applications in pharmaceutical research, agrochemical development, and material science.
What are the CAS number and formula for 2,3,6-Trifluorobenzoyl chloride?
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The CAS number is 189807-20-3 and the linear formula is F3C6H2COCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,3,6-Trifluorobenzoyl chloride with a minimum assay of 98%. This product is intended for research and industrial use and is not represented as USP, BP, EP, or other pharmacopoeia grades.
What are the safety considerations when handling 2,3,6-Trifluorobenzoyl chloride?
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2,3,6-Trifluorobenzoyl chloride is classified as Danger (GHS05). It causes severe skin burns and eye damage (H314). Appropriate personal protective equipment, including full-face respirators, chemical-resistant gloves, and eye protection, must be used. Handle in a well-ventilated area and avoid contact with skin, eyes, and clothing.
How is 2,3,6-Trifluorobenzoyl chloride packed and shipped?
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This chemical is packed according to international shipping regulations for hazardous materials. It is classified as UN 3265, Hazard Class 8, Packing Group II, and is exported globally by Tech Serve Solutions.
How can I request a quote or sample for 2,3,6-Trifluorobenzoyl chloride?
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To request a quote or sample, please contact our sales department through the website or by phone, providing your contact details and the quantity required.
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