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MSDS Commentary: 2-Trifluoromethylaniline

Identification

Chemical Name: 2-Trifluoromethylaniline
Chemical Formula: C7H6F3N
Synonyms: o-Trifluoromethylaniline, 2-(Trifluoromethyl)aniline
Chemical Type: Aromatic amine with trifluoromethyl group
Common Uses: Intermediate in organic synthesis, agrochemical applications, specialty chemical manufacturing, lab reagent

Hazard Identification

Potential Hazards: Harmful if inhaled or absorbed through skin, causes irritation to eyes, skin, and respiratory tract
Classification: Acute toxicity, irritant
Label Elements: Harmful symbol (Xn), irritation symbol (Xi)
Notable Risks: There is a risk for those handling it without proper protection, especially in settings lacking engineered ventilation or stringent hygiene oversight

Composition / Information on Ingredients

Active Ingredient: 2-Trifluoromethylaniline (≥97%)
Impurities: Usually present in trace amounts, including closely related aniline isomers and unreacted starting materials
Form: Clear to pale yellow liquid

First Aid Measures

Inhalation: Remove the person to fresh air, call for medical support if breathing becomes difficult
Skin Contact: Wash thoroughly with soap and water, remove contaminated clothing
Eye Contact: Rinse with copious amounts of water for at least 15 minutes, seek medical attention if irritation persists
Ingestion: Rinse mouth with water, do not induce vomiting, seek immediate medical attention

Fire-Fighting Measures

Suitable Extinguishing Media: Dry chemical powder, carbon dioxide, foam, alcohol-resistant foam
Specific Hazards: Toxic fumes of nitrogen oxides, hydrogen fluoride, and carbon oxides can form during fire
Protective Equipment for Firefighters: Wear full protective gear and self-contained breathing apparatus
Precautions: Avoid inhaling gases, ensure proper ventilation during response

Accidental Release Measures

Personal Precautions: Use proper personal protective equipment such as gloves, goggles, and protective clothing
Environmental Precautions: Prevent release to drains, watercourses, or soil
Clean-Up Approach: Absorb liquids with ineert material, ventilate area, collect and dispose of debris in suitable containers

Handling and Storage

Safe Handling Practices: Work in a chemical fume hood, avoid direct contact, prevent splashes and inhaling vapors
Storage Requirements: Keep in tightly closed containers, store in cool, dry, and well-ventilated area away from strong oxidizers and acids
Operations: Maintain good housekeeping in storage and work areas, label all containers clearly

Exposure Controls and Personal Protection

Engineering Controls: Local exhaust ventilation, safety shower, and eye wash stations in immediate vicinity
Respiratory Protection: Use NIOSH-approved respirators in areas with inadequate ventilation
Skin Protection: Chemical-resistant gloves, long sleeves, lab coat or apron
Eye Protection: Chemical splash goggles

Physical and Chemical Properties

Appearance: Clear to light yellow liquid
Odor: Mild, aromatic
Boiling Point: Approximately 188 °C
Melting Point: Slightly below room temperature
Vapor Pressure: Low at room temperature
Solubility: Limited water solubility, soluble in organic solvents like ether and ethanol
Density: Around 1.27 g/cm³ at room temperature
Flash Point: Above 70 °C
Other Properties: Stable under normal storage conditions, but reacts with strong acids and oxidizers

Stability and Reactivity

Chemical Stability: Chemically stable in original containers under recommended storage
Reactivity: Reacts with strong oxidizing agents or acids to produce toxic fumes
Decomposition Products: Nitrogen oxides, hydrogen fluoride, carbon monoxide, carbon dioxide given off at high temperatures
Other Considerations: Care needed to avoid strong shock, heat, or improper mixing during storage and handling

Toxicological Information

Routes of Exposure: Inhalation, dermal absorption, ingestion
Acute Effects: Eye and skin irritation, upper respiratory tract irritation, headache, nausea
Chronic Effects: Repeated contact may lead to dermatitis or sensitization
Carcinogenicity: Analogues of aniline compounds have shown potential risk, though specific data on this chemical is limited, so caution is justified
Other Observed Effects: Toxicity studies in rodents found changes in liver and kidney tissue with repeated high-level exposure

Ecological Information

Aquatic Toxicity: Harmful to aquatic life in significant concentrations due to persistence and toxicity of aromatic amines
Persistence: Can linger in the environment, breakdown may generate persistent low-level fluorinated byproducts
Bioaccumulation Potential: Moderate due to aromatic structure and resistance to rapid biodegradation
Water Hazard Class: High enough to raise concern for spills near waterways or treatment plants

Disposal Considerations

Waste Handling: Collect and store for disposal at licensed chemical waste facilities, avoid pouring into local drains or incineration without proper filtration systems
Contaminated Packaging: Treat as hazardous waste; triple rinse and manage in line with chemical containment requirements
Safe Practices: Work with approved waste haulers, follow local, regional, and national requirements for disposal of aromatic amines and fluorinated compounds

Transport Information

Transport Integrity: Keep in tightly sealed containers, cushioned during transit to avoid leaks or damage
Transport Hazards: Considered hazardous under chemical shipment regulations due to toxicity and potential for environmental impact
Labeling and Documentation: Mark shipments accurately, carry paperwork referencing specific chemical hazards, train all handlers
Emergency Procedures: Detailed spill response and first aid instructions accompany shipments of sizeable quantities

Regulatory Information

National Chemical Inventories: Included on some regional and international lists, specific status should be checked before import or export
Worker Safety Laws: Covered by occupational exposure standards in many jurisdictions, controls often mirror rules set for other anilines
Environmental Control Laws: Subject to registration, reporting, and remediation rules due to environmental persistence and aquatic toxicity
Right-to-Know Requirements: Employees must be informed about handling hazards and workplace controls, with documentation kept on site