Product Name: 2,3,5-Trimethylphenol
Chemical Formula: C9H12O
CAS Number: 697-82-5
Synonyms: 2,3,5-Trimethyl-1-hydroxybenzene
Recommended Use: Laboratory reagent, organic synthesis intermediate
Manufacturer/Supplier: Contact specific provider for location and emergency contact details
Emergency Telephone Number: Refer to the local poison center or fire brigade
Classification: Flammable solid; Harmful if swallowed; Causes skin and eye irritation
GHS Symbol: Flame, exclamation mark
Signal Word: Warning
Hazard Statements: May cause irritation to eyes, skin, and respiratory tract. Combustible solid that can catch fire. Harmful effects possible if large amounts inhaled or ingested.
Precautionary Statements: Avoid breathing dust or fumes, wash skin thoroughly after handling, wear protective gear such as gloves and safety glasses, keep away from ignition sources
Chemical Identity: 2,3,5-Trimethylphenol
Concentration: ≥ 98% purity
Impurities: Trace-level isomers and related phenolic compounds
Molecular Weight: 136.19 g/mol
Substances: No hazardous chemicals apart from the main listed component
Inhalation: Move outdoors and breathe fresh air, seek medical advice if symptoms arise
Skin Contact: Wash affected area thoroughly with soap and water, remove contaminated clothing, contact a physician for persistent irritation
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if present, continue rinsing, consult a doctor if discomfort continues
Ingestion: Rinse mouth, drink plenty of water, do not induce vomiting, consult medical personnel promptly
Most Important Symptoms: Coughing, sore throat, redness, itchiness, abdominal pain, nausea
Notes to Physician: Symptomatic treatment, monitor for respiratory or gastrointestinal distress
Suitable Extinguishing Media: Dry powder, carbon dioxide, foam, water spray (for cooling surfaces only)
Hazards from Combustion: Carbon monoxide, carbon dioxide, and toxic phenolic fumes may form
Special Protective Equipment: Firefighters should wear self-contained breathing apparatus and full protective clothing
Advice for Firefighters: Keep unnecessary personnel away, use water spray to cool containers, do not use water jets on the burning material
Specific Hazards: Dust or vapors can form explosive mixtures with air in confined or poorly ventilated spaces
Personal Precautions: Wear respiratory protection, chemical-resistant gloves, goggles, avoid generating dust, ventilate area
Environmental Precautions: Prevent entry into drains, waterways, and soil; notify authorities if contamination occurs
Methods for Containment and Cleaning Up: Scoop or sweep up spilled material carefully, place into a suitable container, avoid dust creation, clean contaminated surface with water
Waste Disposal: Dispose through licensed chemical waste contractor, follow local legislation regarding hazardous chemical disposal
Precautions for Safe Handling: Avoid inhaling dust, avoid contact with skin and eyes, use only with adequate ventilation, keep away from heat or sparks
Suitable Storage Conditions: Keep tightly closed in original container, store at room temperature in dry, cool, and well-ventilated location, keep away from incompatible substances like strong oxidizers
Incompatible Materials: Acids, strong bases, oxidizing agents
Special Instructions: Store away from food, beverages, and animal feed; ensure area is equipped with spill containment
Occupational Exposure Limits: No established occupational exposure limits; follow good laboratory hygiene practices
Engineering Controls: Use local exhaust ventilation to minimize airborne concentrations, safety shower and eyewash stations nearby
Personal Protective Equipment: Safety goggles, chemically resistant gloves (nitrile or neoprene), lab coat, dust mask or respirator in case of inadequate ventilation
Hygiene Measures: Wash hands and arms before eating or drinking, do not eat in work area, avoid touching face with contaminated gloves
Appearance: White to pale yellow crystalline powder
Odor: Mild, distinctive phenolic odor
Melting Point: 75-78 °C
Boiling Point: 231-232 °C
Solubility: Slightly soluble in water, soluble in alcohol and ether
Vapor Pressure: Not significant at room conditions
Density: 1.02 g/cm³
pH: Slightly acidic in water solution
Flash Point: Approx. 121 °C (closed cup)
Partition Coefficient (log Pow): Estimated 2.6-3.0
Evaporation Rate: Not determined
Upper/Lower Flammability: Data not available
Reactivity: No hazardous reactions expected under typical use conditions
Chemical Stability: Stable at ambient temperatures and pressures
Conditions to Avoid: Open flames, electrostatic discharge, ignition sources, moisture
Incompatible Materials: Strong oxidizing agents, strong acids, strong alkalis
Decomposition Products: Phenol derivatives, carbon monoxide, carbon dioxide under fire conditions
Hazardous Polymerization: Not expected to occur
Acute Toxicity: Oral LD50 (rat) >500 mg/kg; higher doses may affect liver or kidneys
Skin Corrosion/Irritation: May cause irritation, redness, itching
Serious Eye Damage/Irritation: Risk of eye irritation and mild conjunctivitis
Respiratory Sensitization: Prolonged inhalation can irritate mucous membranes
Germ Cell Mutagenicity: Not classified as mutagenic based on available data
Carcinogenicity: Not listed as carcinogenic by IARC, NTP, or OSHA
Reproductive Toxicity: Insufficient data for conclusive assessment
Specific Target Organ Toxicity: May cause effects on liver, kidneys, or nervous system in high doses
Symptoms Related to Exposure: Headache, nausea, skin rash or respiratory discomfort in case of substantial exposure
Ecotoxicity: May pose a risk to aquatic life at moderate to high concentrations due to toxicity to algae and small invertebrates
Persistence and Degradability: Slowly biodegradable in soil and aquatic environments under natural microbial action
Bioaccumulation Potential: Moderate risk, tends to concentrate in the fatty tissues of organisms
Mobility in Soil: Low to moderate mobility; likely to bind with soil particles
Other Harmful Effects: Large spills can harm aquatic plants and disrupt water ecosystems
Waste Disposal Methods: Material should be collected and disposed of as hazardous chemical waste by a licensed facility, do not dispose of in drains or natural water sources
Container Disposal: Triple rinse empty containers, dispose in accordance with local, regional, and national regulations
Precautions: Avoid creating dust, use sealed, labeled containers, maintain documentation of disposal activity
UN Number: Not classified under UN transport regulations for dangerous goods
Transport Hazard Class: Not regulated for transport, though local and site-specific rules may apply
Packing Group: Not assigned
Special Precautions: Protect from heat and moisture, secure containers tightly, label clearly with chemical name and hazard symbols
Environmental Hazards: Not classified as a marine pollutant
Transport in Bulk: Not applicable for bulk shipment
TSCA Inventory: Listed
EINECS/ELINCS Number: 211-799-1
REACH Status: Registration and restriction conditions vary by geographic location and intended end-use, consult authorities before import or handling large quantities
SARA Title III: Not subject to section 313 reporting
California Proposition 65: Not listed
Other Regulations: Compliance required with national, state, and local occupational safety and health regulations covering hazardous substances
Labeling Requirements: Must include product identifier, hazard warnings, signal word, supplier information, and emergency contact details on all containers
