Product Name: Trichlorophenol
Chemical Formula: C6H3Cl3O
Synonyms: 2,4,6-Trichlorophenol, TCP
CAS Number: 88-06-2
Use: Intermediate in organic synthesis, wood preservative, pesticide raw material
Supplier Information: Manufacturer or distributor contact, address and emergency phone number
Recommended Use: Restricted to industrial applications, not intended for household use
UN Number: 2020
Emergency Phone: Refer to local chemical emergency documentation or Poison Control Center
Classification: Toxic by inhalation, ingestion, and skin contact; Corrosive to eyes, skin, and respiratory tract
Hazard Symbols: T (Toxic), Xn (Harmful), N (Dangerous for the Environment)
Signal Word: Danger
Hazard Statements: Causes severe skin burns and eye damage, may cause allergic skin reaction, suspected of causing cancer, very toxic to aquatic organisms with long-lasting effects
Precautionary Statements: Avoid all contact, use protective gear, keep away from water sources and drains
Potential Health Effects: Acute exposure causes irritation, burns, headache, nausea, unconsciousness; prolonged exposure raises risk of organ damage
Routes of Entry: Inhalation, skin absorption, ingestion
Symptoms of Exposure: Redness, blistering, shortness of breath, dizziness, chemical burns, confusion, fever
Chemical Name: 2,4,6-Trichlorophenol
Concentration: Typically above 98%, may contain small amounts of other chlorinated phenols as impurities
CAS Number: 88-06-2
Other Components: May include minor stabilizers or process residues, less than 2% by weight
Inhalation: Move person to fresh air immediately, seek medical attention if breathing becomes difficult, administer artificial respiration if not breathing
Skin Contact: Rinse affected skin with plenty of running water for at least 15 minutes, remove contaminated clothing, seek immediate medical help
Eye Contact: Rinse eyes cautiously with water for several minutes, lift eyelids to ensure thorough washing, seek urgent medical attention
Ingestion: Do not induce vomiting, rinse mouth with water, never give anything by mouth if unconscious, get emergency medical care quickly
Symptoms Needing Immediate Attention: Difficulty breathing, persistent eye pain, severe skin irritation, collapse, signs of poisoning
Advice for Medical Personnel: Treat as chemical poisoning with risk of systemic toxicity, monitor breathing and treat symptoms
Suitable Extinguishing Media: Water spray, dry powder, carbon dioxide, foam—avoid direct water stream on spillage as product is toxic
Hazardous Combustion Products: Releases toxic fumes of hydrochloric acid, chlorinated organic compounds, and carbon monoxide during combustion
Special Protective Equipment: Self-contained breathing apparatus, full chemical protective suit recommended
Firefighting Procedures: Use water spray to cool exposed containers, prevent runoff into drains and waterways
Explosion Risks: Dusts can create explosion hazard in confined spaces
Fire Hazards: May emit irritating or corrosive gases under high heat or flames
Personal Precautions: Evacuate unnecessary personnel, wear chemical-resistant gloves and protective suit, avoid breathing vapors
Environmental Precautions: Prevent release to sewers or bodies of water, avoid contamination of soil
Containment: Dike spillage area with earth or sand, prevent product from entering storm drains
Cleanup Methods: Absorb with inert material like sand or vermiculite, collect in suitable containers for disposal
Decontamination: Wash spill area thoroughly after material removal, ventilate the area
Disposal: Place collected material in closed containers for proper chemical waste disposal
Handling: Use in well-ventilated areas or fume hoods, avoid sources of ignition, minimize dust generation, do not eat, drink, or smoke when handling
Personal Hygiene: Thoroughly wash hands and face after handling, remove contaminated clothing and wash before reuse
Storage Requirements: Keep container tightly closed in cool, dry, well-ventilated storage, separate from acids, oxidizers, metals
Container Materials: Use corrosion-resistant containers, label clearly
Incompatible Materials: Strong acids, alkalis, reducing and oxidizing agents, metals such as aluminum and zinc
Stability Issues: Keep away from light, humidity, and sources of ignition
Exposure Limits: OSHA TWA 0.5 mg/m³, ACGIH TLV 0.5 mg/m³
Engineering Controls: Chemical fume hood, local exhaust ventilation, closed system handling
Respiratory Protection: Full-face respirator or supplied-air equipment if airborne limits are exceeded
Eye Protection: Chemical goggles, face shield for high-risk work
Skin Protection: Chemical-resistant gloves (nitrile, neoprene), full-body chemical-resistant clothing, apron
Hygiene Measures: Change contaminated clothing, wash skin after handling, keep emergency eyewash and safety shower stations easily accessible
Appearance: White to pale yellow crystals or powder
Odor: Phenolic, medicinal
Melting Point: 69–71°C (156–160°F)
Boiling Point: 246–250°C (475–482°F)
Flash Point: 127°C (open cup)
Solubility: Slightly soluble in water, freely soluble in most organic solvents
Vapor Pressure: 0.0013 mm Hg at 25°C
Specific Gravity: 1.49 (water = 1)
pH: Acidic
Partition Coefficient (log Kow): 3.69
Decomposition Temperature: Decomposes above 250°C
Chemical Stability: Stable under recommended storage conditions, risk increases at elevated temperature or in contact with incompatible materials
Hazardous Reactions: Reacts with acids, strong bases, reducing agents, oxidizers—may release toxic or corrosive fumes
Conditions to Avoid: Moisture, light, heat, incompatible materials
Decomposition Products: Hydrogen chloride, chlorinated organics, carbon monoxide, carbon dioxide
Polymerization: Not known to occur
Acute Toxicity: Oral LD50 (rat) ~325 mg/kg, skin LD50 (rabbit) ~1,000 mg/kg
Inhalation: Can cause coughing, sore throat, headache, drowsiness, unconsciousness at high exposure
Skin/Eye Irritation: Strong irritant, causes burns, risk of permanent damage and blindness
Chronic Exposure: Repeated contact may cause dermatitis, systemic toxicity, impact on liver and kidneys
Carcinogenicity: Limited animal evidence for cancer risk, not classified by IARC or NTP
Mutagenicity: Some genetic toxicity in laboratory studies
Other Effects: Sensitization (allergic reactions) after repeated skin contact in susceptible individuals
Aquatic Toxicity: Highly toxic to aquatic organisms—LC50 (fish, 96 hr) 0.37–2.8 mg/L
Persistence and Degradability: Moderately persistent in water and soil, partial biodegradability
Bioaccumulation: Potential for accumulation in aquatic life (log Kow >3)
Mobility: Moderate—can leach into groundwater due to solubility and mobility in soil
Other Harmful Effects: Harmful to plants, invertebrates, risk of long-term harmful effects in aquatic systems
Disposal Methods: Incinerate in a chemical incinerator equipped with afterburner and scrubber, or dispose of under direct supervision of regulatory authorities
Container Disposal: Empty containers may retain product residues, triple rinse and puncture then dispose of as hazardous waste
Waste Classification: Considered hazardous waste under local, state, and federal regulations
Precautions: Do not dispose of in household trash, sanitary or storm sewers
RCRA Status: May be regulated as a hazardous waste, check with local authorities
UN Number: 2020
UN Proper Shipping Name: Trichlorophenols, solid
Transport Hazard Class: 6.1 (Toxic substances)
Packing Group: II
Labels Required: Toxic, Environmental Hazard
Special Precautions: Avoid spillage, keep away from heat, use proper containment
Marine Pollutant: Yes
Regulations: Comply with international, national, and local transport regulations for hazardous goods
U.S. TSCA: Listed
SARA Title III: Section 313, reportable quantity 100 lbs
OSHA: Considered hazardous, includes requirements for training and exposure limits
RCRA: Hazardous waste number U237
CERCLA: Reportable spill quantity 100 lbs (45.4 kg)
Canada WHMIS: D1A (Very toxic), D2B (Toxic), D2A (Carcinogenicity)
EU Regulations: Danger symbol, R23/24/25 (Toxic by inhalation, skin, and ingestion), R34 (Causes burns), R50/53 (Very toxic to aquatic organisms)
Other Local and International: Trichlorophenol use and disposal often restricted due to toxicity and environmental impact
