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Chemical Name: 4-Fluorotoluene
Synonyms: p-Fluorotoluene
Chemical Formula: C7H7F
CAS Number: 352-32-9
Appearance: Clear, colorless liquid, strong aromatic odor
Common Uses: Making pharmaceutical intermediates, agrochemical research, specialty chemical synthesis
Main Hazards: Flammable liquid and vapor, irritation to eyes, skin, respiratory tract
Hazard Classes: Flammable liquids, irritant
Pictogram: Flame, Exclamation mark
Signal Word: Warning
Key Risks: Fire hazard from volatile vapors, potential temporary central nervous system effects if inhaled at high concentrations, eye and skin irritation
Component: 4-Fluorotoluene
Concentration: Up to 100% in laboratory and industrial-grade material
Impurities: Typically present at trace levels only, depending on synthesis process
Inhalation: Move to fresh air, monitor for dizziness, seek medical help if symptoms linger
Skin Contact: Wash with soap and plenty of water, remove contaminated clothing
Eye Contact: Rinse gently with water for 10-15 minutes, keep eyelids apart, get medical attention for continued irritation
Ingestion: Rinse mouth if conscious, avoid vomiting, go to medical facility promptly
Suitable Extinguishing Media: Dry chemical, foam, carbon dioxide
Unsuitable Media: Water streams may spread fire
Hazardous Combustion Products: Toxic fumes including hydrogen fluoride, carbon oxides
Protective Equipment: Full gear, self-contained breathing apparatus
Special Tactics: Cool containers with water spray well away from leak area; vapors heavier than air can travel to ignition sources and flashback
Personal Precautions: Evacuate nonessential personnel, make sure area is well-ventilated, remove ignition sources
Environmental Precautions: Stop spill if safe, prevent runoff into water and soil
Containment: Use inert absorbents such as sand or vermiculite, prevent spread of liquid
Cleanup: Collect absorbed material in sealable containers for safe disposal
Handling: Wear chemical-resistant gloves, goggles, and minimize splash and vapor formation; ground and bond containers when pouring
Storage: Keep cool in tightly closed containers, away from ignition sources, oxidizers, acids; use in a chemical fume hood or well-ventilated space
Incompatibles: Strong oxidizers, strong acids, open flames
Life Lessons: Carelessness with solvent storage leads to headaches—both for air quality and fire risk—not worth the shortcut
Engineering Controls: Local exhaust ventilation, explosion-proof electrical equipment where vapors may be present
Personal Protective Equipment: Protective gloves (nitrile recommended), splash-proof goggles, lab coat or chemical apron
Respiratory Protection: If vapor levels creep up, a proper respirator makes an enormous difference; don’t skip it
Hygiene Measures: Wash hands well after use, change contaminated clothing, avoid eating or drinking in work area
State: Liquid
Boiling Point: Around 127–131°C
Melting Point: Below -30°C
Density: Approximately 1.05 g/cm³
Vapor Pressure: Moderate at room temperature, which makes caps and ventilation essential
Solubility: Low in water, mixes well with common organic solvents
Odor: Sharp, aromatic
Chemical Stability: Stable under standard ambient storage conditions, away from strong oxidizers and open flames
Conditions to Avoid: Heat, sparks, static discharge
Incompatible Materials: Oxidizing agents, strong acids, some plastics
Hazardous Decomposition: Hydrofluoric acid, other toxic gases on burning
Important Lessons: Complacency with stability can backfire; unexpected reactions often come from poor segregation or mixed waste
Likely Routes of Exposure: Inhalation, skin contact, eye contact
Acute Symptoms: Drowsiness, headache, irritation of airways, skin redness
Chronic Exposure: Long-term data limited, but repeated solvent exposure in general can affect liver or nervous system
Animal Studies: Limited published research, but structurally similar solvents cause mild to moderate toxicity at high exposures
Human Experience: Odor threshold offers early warning—if you smell strong solvent, it’s time to reassess controls
Aquatic Toxicity: Expected to be harmful to aquatic life, based on aromatic solvent behavior
Persistence and Degradability: May not rapidly degrade in soil or water
Bioaccumulation: Moderate potential, due to lipophilicity
Precautionary Tale: One spill reaching a storm drain can have ripple effects; small actions stop bigger problems for water and wildlife
Waste Methods: Contact hazardous waste handlers for incineration or chemical destruction, do not pour into drains
Container Handling: Triple rinse and puncture before disposal, label as hazardous waste
Regulatory Considerations: Check local regulations, but most places treat this as hazardous due to flammability and toxicity
UN Number: 2388
Hazard Class: 3 (Flammable liquid)
Packing Group: III
Label: Flammable liquid
Key Takeaway: Shipping flammable solvents calls for sturdy drums, trained handlers, and paperwork in order; shortcuts risk delays, fines, or worse
Global Chemical Listings: Appears on national inventories such as TSCA (USA), EINECS (EU); local restrictions may apply
OSHA/WHMIS Classification: Flammable, irritant
Worker Protection Laws: Exposure monitoring, PPE, hazard training required in most regulated settings
Lessons Learned: Regulatory gaps make it easy to underestimate risks—strong workplace rules add layers of protection in real life, well beyond simple compliance
