2-fluoro-6-(trifluoromethyl)pyridine

C6H3F4N

CAS94239-04-0
GHS02 Gefahrensymbol: Entzündbar – Flamme
GHS07 Gefahrensymbol: Gesundheitsschädlich/Reizend – Ausrufezeichen
Warning

Consulting for 2-fluoro-6-(trifluoromethyl)pyridine

Our experts support you with application, dosage, and compliance.

Request Consultation

Identification

CAS Number
94239-04-0
EC Number
428-100-3
UN Number
1993
Index Number
613-245-00-9
PubChem CID
2736501

Physical-chemical properties

Molecular Formula
C6H3F4N
Molar Mass
165.09 g/mol
IUPAC Name
2-fluoro-6-(trifluoromethyl)pyridine

Chemical Identifiers

InChI
InChI=1S/C6H3F4N/c7-5-3-1-2-4(11-5)6(8,9)10/h1-3H
InChI Key
IZOIOCQPMHHDHN-UHFFFAOYSA-N

Overview

2-fluoro-6-(trifluoromethyl)pyridine (CAS 94239-04-0) is a fluorinated heterocyclic compound with high chemical stability and distinctive electronic properties. This specialized pyridine derivative represents an important class of organofluorine compounds widely utilized in pharmaceutical and agrochemical synthesis. With its molecular formula C6H3F4N and molecular weight of 165.09 g/mol, this compound features both a fluorine substituent and a trifluoromethyl group on the pyridine ring, creating unique reactivity patterns that make it valuable as a synthetic intermediate. The strategic positioning of these fluorine-containing groups at the 2 and 6 positions significantly influences the compound's electronic distribution and chemical behavior. From a safety perspective, 2-fluoro-6-(trifluoromethyl)pyridine is classified as a flammable liquid (Category 3) and carries acute toxicity warnings, requiring careful handling protocols. The compound displays GHS02 and GHS07 pictograms with a "Warning" signal word, indicating moderate hazard levels that necessitate appropriate personal protective equipment and ventilation systems during use. Its ADR Class 3 classification confirms its flammable liquid status for transportation purposes. The compound finds primary applications in pharmaceutical intermediate synthesis, particularly in the development of fluorinated drug molecules where the pyridine core provides essential pharmacophoric properties. It also serves as a key building block in agrochemical production, where fluorinated pyridines contribute to enhanced biological activity and metabolic stability. Additionally, this compound is utilized in specialty chemical synthesis where its unique electronic properties, distinct from simpler aromatic solvents like 1,4-xylene, enable specific reaction pathways. OYSI maintains reliable supply chains for 2-fluoro-6-(trifluoromethyl)pyridine to support European chemical manufacturing operations.

Safety & Classification

Warning
Classification:

Flam. Liq. 3; Acute Tox. 4 *; Acute Tox. 4 *; Aquatic Chronic 3

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H226

Flammable liquid and vapour.

H332

Harmful if inhaled.

H302

Harmful if swallowed.

H412

Harmful to aquatic life with long lasting effects.

Classification according to CLP Regulation (EC) No 1272/2008. The complete list of hazard and precautionary statements can be found in the Safety Data Sheet (SDS).

First Aid Measures

Inhalation

Harmful

Measures if vapours or dust are inhaled

First Aid Actions

  • +P304IF INHALED:
  • +P340Remove person to fresh air and keep comfortable for breathing.
  • +P311Call a POISON CENTER/doctor.

Related hazard statements:

Ingestion

Harmful

Measures if substance is accidentally swallowed

First Aid Actions

  • +P301IF SWALLOWED:
  • +P330Rinse mouth.
  • +P331Do NOT induce vomiting.
  • +P310Immediately call a POISON CENTER/doctor.

Related hazard statements:

General Measures

Emergency 112 | Poison Control: +49 30 19240 (DE), +33 1 45 42 59 59 (FR), +31 30 274 88 88 (NL)

First aid measures are based on CLP classification and associated P-statements. They do not replace the Safety Data Sheet (SDS). In case of emergency, always consult the full SDS and a physician.

Transport (ADR)

UN Number1993
ADR Class3
Packing GroupIII
Tunnel CodeD/E
Proper Shipping Name2-Fluor-6-trifluormethylpyridin
Marine PollutantNo

Frequently Asked Questions

What is 2-fluoro-6-(trifluoromethyl)pyridine?

2-fluoro-6-(trifluoromethyl)pyridine is a fluorinated pyridine derivative with the molecular formula C6H3F4N and CAS number 94239-04-0. This organic compound features a pyridine ring substituted with a fluoro group at position 2 and a trifluoromethyl group at position 6. With a molecular weight of 165.09 g/mol, it belongs to the class of halogenated heterocycles and is classified as a flammable liquid with moderate toxicity hazards.

What are the physicochemical properties of 2-fluoro-6-(trifluoromethyl)pyridine?

2-fluoro-6-(trifluoromethyl)pyridine is a liquid at room temperature with characteristic properties typical of fluorinated pyridines. The compound exhibits high chemical stability due to the strong C-F bonds and the electron-withdrawing effects of the fluorine substituents. Its polarity and solubility characteristics are influenced by the fluorine atoms, making it less polar than unsubstituted pyridine. The trifluoromethyl group significantly affects its volatility and lipophilicity properties.

What is 2-fluoro-6-(trifluoromethyl)pyridine used for?

2-fluoro-6-(trifluoromethyl)pyridine serves primarily as an intermediate in pharmaceutical and agrochemical synthesis. The compound is valuable in medicinal chemistry for developing fluorinated drug molecules, where fluorine substitution often enhances bioavailability and metabolic stability. It is also used in the synthesis of specialty chemicals and as a building block for advanced materials. The unique electronic properties conferred by the fluorine substituents make it particularly useful in fine chemical manufacturing.

How to handle 2-fluoro-6-(trifluoromethyl)pyridine safely?

2-fluoro-6-(trifluoromethyl)pyridine requires careful handling due to its flammable and toxic properties. Operators must wear appropriate personal protective equipment including chemical-resistant gloves, safety glasses, and protective clothing. Work should be conducted in well-ventilated areas or under fume hoods to prevent inhalation exposure. Keep away from ignition sources, heat, and sparks. Use non-sparking tools and ensure proper grounding to prevent static electricity buildup during transfers.

How to store 2-fluoro-6-(trifluoromethyl)pyridine correctly?

2-fluoro-6-(trifluoromethyl)pyridine must be stored in a cool, dry, well-ventilated area away from heat sources and ignition points. Keep containers tightly closed in original packaging and store below 25°C to maintain stability. Ensure segregation from incompatible materials such as strong oxidizers and bases. Storage areas should be equipped with appropriate fire suppression systems and spill containment measures. Regular inspection of containers for integrity is recommended to prevent leaks.

What to do in case of contact with 2-fluoro-6-(trifluoromethyl)pyridine?

Immediate action is required upon contact with 2-fluoro-6-(trifluoromethyl)pyridine. For skin contact, remove contaminated clothing and wash affected area thoroughly with soap and water for at least 15 minutes. In case of eye contact, flush immediately with clean water for 15 minutes while holding eyelids open. If inhaled, move person to fresh air and seek medical attention if breathing difficulties occur. For ingestion, do not induce vomiting and seek immediate medical attention.

How to dispose of 2-fluoro-6-(trifluoromethyl)pyridine appropriately?

2-fluoro-6-(trifluoromethyl)pyridine disposal must comply with local and national hazardous waste regulations. The compound cannot be disposed of through regular waste streams due to its hazardous classification. Contact licensed hazardous waste disposal companies for proper collection and treatment. Incineration at high temperatures in specialized facilities is typically required. Empty containers must also be treated as hazardous waste. Maintain detailed records of all disposal activities for regulatory compliance.

How to transport 2-fluoro-6-(trifluoromethyl)pyridine?

2-fluoro-6-(trifluoromethyl)pyridine is classified under ADR Class 3, Packing Group III as a flammable liquid. Transportation requires UN-approved packaging suitable for flammable liquids and proper hazard labeling with GHS02 and GHS07 pictograms. Vehicles must carry appropriate safety equipment and emergency response information. Drivers need ADR certification for dangerous goods transport. Ensure compliance with quantity limitations and route restrictions as specified in dangerous goods regulations.

Is 2-fluoro-6-(trifluoromethyl)pyridine subject to particular regulations?

2-fluoro-6-(trifluoromethyl)pyridine is subject to standard chemical regulations including REACH registration requirements in the European Union. The compound is not classified as a Substance of Very High Concern (SVHC) but must comply with CLP classification and labeling regulations showing Warning signal word and appropriate pictograms. Workplace exposure limits and safety data sheet requirements apply. Users must ensure regulatory compliance for import, use, and distribution within their respective jurisdictions.

Where to buy 2-fluoro-6-(trifluoromethyl)pyridine in Europe?

2-fluoro-6-(trifluoromethyl)pyridine is available through OYSI, a specialized European distributor of technical chemicals. OYSI provides reliable supply chains for pharmaceutical and chemical intermediates across Europe, ensuring product quality and regulatory compliance. As an established chemical distributor, OYSI offers technical support and handles all necessary documentation for safe transport and use. Contact OYSI directly for availability, specifications, and pricing information for your specific application requirements.

Data Sources

Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.