2,3-Dichloro-5-(trifluoromethyl)pyridine
2,3-Dichloro-5-(trifluoromethyl)pyridine (CAS: 69045-84-7) is a halogenated pyridine derivative with the molecular formula C6H2Cl2F3N and a molecular weight of 215.99 g/mol. This compound serves as a valuable building block in organic synthesis, particularly for the construction of complex heterocyclic structures. Its chemical properties make it suitable for applications in agrochemical and pharmaceutical research and development.
- Synonyms
- C6H2Cl2F3N2,3-dichloro-5-(trifluoromethyl)pyridine

Agrochemical Intermediate
This compound is utilised in the synthesis of novel agrochemicals, contributing to the development of new pesticides and herbicides. Its trifluoromethyl and dichloro substituents offer unique reactivity profiles for target molecule construction.
Pharmaceutical Building Block
As a versatile heterocyclic building block, it finds application in the discovery and synthesis of new pharmaceutical agents. The pyridine core functionalised with halogens and a trifluoromethyl group enables diverse derivatisation pathways.
Organic Synthesis Reagent
Researchers employ 2,3-Dichloro-5-(trifluoromethyl)pyridine in various organic transformations. Its structure allows for regioselective reactions, facilitating the creation of complex molecular architectures.
| Molecular weight | 215.99 |
|---|---|
| Empirical formula | C6H2Cl2F3N |
| Assay | 97% |
| Boiling point | 80 °C/20 mmHg(lit.) |
| Density | 1.549 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.475(lit.) |



Hazard statements
- H302Harmful if swallowed
- H317May cause an allergic skin reaction
- H318Causes serious eye damage
- H411Toxic to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 79 °C / 174.2 °F |
| Transport (UN / ADR) | UN 3082 9/PG 3 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 20/22-41-43-51/53 |
| Safety statements (S) | 24-26-37/39-61 |
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-Dichloro-5-(trifluoromethyl)pyridine used for?
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2,3-Dichloro-5-(trifluoromethyl)pyridine (CAS: 69045-84-7) is primarily used as a building block in organic synthesis for the development of agrochemicals and pharmaceuticals, and as a general reagent in chemical research.
What is the CAS number and molecular formula for 2,3-Dichloro-5-(trifluoromethyl)pyridine?
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The CAS number is 69045-84-7 and the molecular formula is C6H2Cl2F3N.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 2,3-Dichloro-5-(trifluoromethyl)pyridine be handled?
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This compound is classified as dangerous. It is harmful if swallowed or inhaled, can cause an allergic skin reaction, and causes serious eye damage. It is also toxic to aquatic life with long lasting effects. Handle with appropriate personal protective equipment, including eyeshields, faceshields, gloves, and a suitable respirator. Ensure adequate ventilation and avoid release into the environment. Refer to the safety data sheet for comprehensive handling information.
Is this chemical available for export globally?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 2,3-Dichloro-5-(trifluoromethyl)pyridine. We adhere to all relevant shipping and customs regulations for international distribution.
How can I request a quote or sample?
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To request a quote or a sample of 2,3-Dichloro-5-(trifluoromethyl)pyridine, please contact our sales team through the website or by phone. Provide your specific requirements, including quantity and delivery details.
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