Wusu, Tacheng Prefecture, Xinjiang, China admin@sinochem-nanjing.com 3389378665@qq.com
Follow us:



Understanding 4-Chlorotoluene: Staying Safe with the Facts

Identification

Name: 4-Chlorotoluene
Chemical Formula: C7H7Cl
Appearance: Colorless liquid with an aromatic odor
Common Uses: Intermediary for dyes, agrochemicals, pharmaceuticals
Odor Threshold: Strong, pungent smell at low concentrations helps catch leaks early
Synonyms: p-Chlorotoluene, para-Chlorotoluene
Solubility: Nearly insoluble in water, mixes well with organic solvents like ether or benzene

Hazard Identification

Main Risks: Flammable liquid, irritant to skin, eyes, and airways
Routes of Exposure: Inhalation, skin absorption, eye contact, ingestion
Health Hazards: Coughing, sore throat, nausea, dizziness, possible skin rash
Fire Hazards: Vapors may form explosive mixtures with air
Environmental Impact: Toxic for aquatic life, so run-off and spills matter
Notable Symptoms: Headaches or drowsiness if exposed for too long without fresh air

Composition / Information on Ingredients

Chemical Name: 4-Chlorotoluene
CAS Number: 106-43-4
Purity: Usually above 98 percent in commercial-grade shipments
Known Impurities: Possibly traces of related toluene derivatives
Molecular Weight: About 126.58 g/mol

First Aid Measures

Inhalation: Bring person to fresh air, offer oxygen if breathing gets difficult
Skin Contact: Remove contaminated clothing, rinse skin with plenty of water and soap
Eye Contact: Flush eyes gently with water for at least 15 minutes, keep eyelids open
Ingestion: Rinse mouth, avoid forcing vomiting, get medical help
Emergency Advice: Don’t risk personal safety, leave the site if symptoms appear and seek a doctor

Fire-Fighting Measures

Suitable Extinguishers: Dry chemical, foam, carbon dioxide; avoid water jets
Special Hazards: Combustion releases hydrogen chloride and toxic gases
Firefighter Protection: Wear full protective gear, especially self-contained breathing apparatus
Explosion Risk: Vapors heavier than air, spread along ground to distant ignition sources
Precautions: Cool exposed containers with water spray, prevent runoff

Accidental Release Measures

Personal Protection: Respirators, chemical-resistant gloves, eye protection
Ventilation: Increase air circulation, use explosion-proof fans
Spill Cleanup: Absorb with inert material, place in suitable, labeled container
Environmental Precautions: Avoid letting spills reach drains or waterways; notify authorities if large quantities escape
Decontamination: Wash affected area with detergent and plenty of water

Handling and Storage

Safe Handling: Use spark-free tools, ground all transferring equipment
Eating and Smoking: Keep food and cigarettes out of work areas
Storage Conditions: Store in tightly sealed, properly labeled containers in cool, dry, well-ventilated areas
Incompatibilities: Keep away from oxidizers, acids, and strong bases
Transfer Precautions: Ground and bond containers to reduce static build-up

Exposure Controls and Personal Protection

Recommended Exposure Limit: Specific occupational limits might not exist; follow standard guidelines for aromatic hydrocarbons.
Engineering Controls: Local exhaust ventilation needed in most settings
Respiratory Protection: NIOSH-approved respirators for high vapor zones
Skin Protection: Gloves made from materials like nitrile, neoprene
Eye Protection: Goggles, face shield where splashing possible
Work Hygiene: Wash hands after handling, shower after heavy exposure

Physical and Chemical Properties

Physical State: Liquid
Color: Clear, colorless to pale yellow
Odor: Sweet, aromatic
Boiling Point: About 162 °C
Melting Point: About -44 °C
Flash Point: Around 48 °C
Vapor Pressure: Notably volatile at room temperature
Density: Approx. 1.1 g/cm³ at 20 °C
Water Solubility: Very low, floats on water
Partition Coefficient (log Kow): Data supports risk for bioaccumulation

Stability and Reactivity

Stability: Stable under normal temperature, humidity, and pressure
Dangerous Reactions: Violent with oxidizing agents, reacts exothermically with strong bases
Hazardous Decomposition: Fumes of hydrogen chloride, carbon oxides
Condition to Avoid: Heat, open flames, sparks

Toxicological Information

Acute Effects: Respiratory tract irritation, headaches, dizziness
Chronic Effects: Repeated contact may cause dermatitis; long-term inhalation might risk central nervous system effects
Possible Routes: Skin, eyes, inhalation, ingestion; skin absorption can matter if exposure is prolonged
Animal Data: Animal studies show moderate toxicity on ingestion, skin, or inhalation
Carcinogenic Status: No strong links to cancer reported but prudent to handle carefully

Ecological Information

Aquatic Toxicity: Harmful or toxic to aquatic organisms at moderate concentrations
Persistence: Not rapidly degradable; tends to linger in soils and waterways
Bioaccumulation Potential: Lipophilic character means possible trouble in food chains
Mobility: Low water solubility keeps most of it in sediments if spilled outdoors

Disposal Considerations

Preferred Disposal: Incineration in licensed facility with proper gas scrubbing
Do Not: Dispose of down household drains or regular trash
Container Disposal: Make sure empties are triple-rinsed, punctured before landfill; labels should stay readable
Regulatory Compliance: Follow local hazardous chemical rules; improper disposal can bring fines or bigger issues

Transport Information

Main Risks: Flammable, needs labeling and placards under hazardous goods laws
Packaging: Use proper drum or bottle, secure to prevent leaks
Transport Mode: Ship in accordance with rules for dangerous liquid chemicals
Spill Kits: Include absorbent material, personal protection for trucks or storage areas

Regulatory Information

Safety Regulation: Covered under workplace chemical safety rules in many countries
Hazard Classification: Appears on lists of flammable, harmful substances
Exposure Limits: General solvent guidelines usually apply
Worker Right-to-Know: Labeling and access to MSDS in every workplace using 4-chlorotoluene
Environmental Release: Reporting spills or releases may be required by local laws