Product Name: 2,6-Diphenylphenol
Chemical Formula: C18H14O
CAS Number: 92-65-9
Recommended Use: Chemical intermediate, laboratory reagent
Synonyms: o,o'-Diphenyloxyl, Phenol,2,6-diphenyl-
Manufacturer/Supplier: Contact chemical distributor or producer
Contact Information (Emergency): Local poison control center, fire department, or supplier emergency hotline
GHS Classification: Eye irritation (Category 2A), Skin irritation (Category 2), Acute toxicity (Category 5, oral exposure), Aquatic toxicity (Category 3, chronic)
Signal Word: Warning
Hazard Statements: Causes skin and eye irritation, may cause respiratory irritation, harmful if swallowed, toxic to aquatic life with long lasting effects
Pictograms: Exclamation mark, environment
Precautionary Statements: Avoid breathing dust or fume, wear protective gloves, avoid release to environment, wash hands thoroughly after handling
Potential Health Effects: Irritation to eyes, skin, respiratory tract; gastrointestinal discomfort if ingested, aggravated pre-existing conditions of skin or respiratory system
Chemical Name: 2,6-Diphenylphenol
Concentration: ≥98%
CAS Number: 92-65-9
Impurities: Trace solvents, minor organic byproducts depending on synthesis route
EC Number: 202-164-1
Eye Contact: Rinse with water for several minutes, remove contact lenses if present and easy to do, seek medical attention if irritation persists
Skin Contact: Remove contaminated clothing, wash with soap and water, seek medical attention for rash or prolonged irritation
Inhalation: Move to fresh air, keep comfortable for breathing, seek medical attention if symptoms occur
Ingestion: Rinse mouth, do not induce vomiting, get immediate medical advice
Self-Protection of First Aiders: Use gloves and eye protection; avoid direct contact with substance
Most Important Symptoms and Effects: Irritation of eyes, skin, respiratory tract; abdominal pain, nausea if ingested
Suitable Extinguishing Media: Water spray, dry chemical powder, carbon dioxide, foam
Unsuitable Extinguishing Media: Direct water stream on burning material
Specific Hazards: Emits toxic fumes under fire conditions (carbon oxides, phenolic vapors)
Protective Equipment and Precautions: Wear self-contained breathing apparatus and full firefighting gear
Specific Methods: Cool containers with water spray to prevent rupture, avoid run-off to sewers
Personal Precautions: Use personal protective equipment (respirator, chemical-resistant gloves, goggles), avoid dust generation, ensure adequate ventilation
Environmental Precautions: Prevent entry into drains, sewers, waterways
Methods for Containment and Cleaning Up: Sweep up and place in suitable container for disposal, avoid raising dust, ventilate area, rinse area with water after collection
Handling: Use only in well-ventilated areas, handle with nitrile gloves and chemical splash goggles, avoid breathing dust or fumes, wash thoroughly after handling
Storage Conditions: Store in cool, dry, well-ventilated space, keep container tightly closed, keep away from food and drink, avoid heat sources and direct sunlight
Incompatible Materials: Strong oxidizing agents, acids, alkalis
Specific Use(s): Laboratory reagent, chemical synthesis intermediate
Workplace Control Parameters: No established exposure limit values for 2,6-Diphenylphenol as of latest regulatory updates
Engineering Controls: Local exhaust ventilation, eyewash stations, chemical safety showers
Personal Protection: Respiratory protection when ventilation insufficient (NIOSH-approved mask), safety goggles, impervious gloves (nitrile, neoprene), laboratory coat or chemical-resistant apron
Hygiene Measures: Do not eat, drink, or smoke when handling, wash hands and exposed skin after use
Appearance: White to off-white crystalline powder
Odor: Faint aromatic odor
Odor Threshold: Not established
pH: Not available
Melting Point: Around 146-148°C
Boiling Point: Decomposes before boiling
Flash Point: Approximately 181°C
Evaporation Rate: Not determined
Flammability: May be combustible at high temperatures
Vapor Pressure: Negligible at room temperature
Vapor Density: Not determined
Relative Density: About 1.18 (water = 1)
Solubility: Insoluble in water, soluble in organic solvents like ethanol, ether, benzene
Partition Coefficient (log Kow): Estimated 5.2
Autoignition Temperature: Not established
Decomposition Temperature: Not established
Viscosity: Not available
Chemical Stability: Stable under normal temperatures and pressures
Reactivity: Does not react violently with water, may undergo slow oxidation on prolonged air exposure
Possibility of Hazardous Reactions: May react with strong oxidizers generating heat and fumes
Conditions to Avoid: Open flames, hot surfaces, direct sunlight, incompatible chemicals
Incompatible Materials: Strong oxidizing agents, strong acids and bases
Hazardous Decomposition Products: Phenol vapors, carbon monoxide, carbon dioxide under fire or decomposition conditions
Routes of Exposure: Inhalation, ingestion, skin contact, eye contact
Acute Toxicity (oral, rat): LD50 > 500 mg/kg
Skin Corrosion/Irritation: Irritant in animal testing
Serious Eye Damage/Irritation: Eye irritant based on structural analogs
Respiratory Sensitization: No data available
Skin Sensitization: Possible allergic reaction in sensitive individuals
Carcinogenicity: Not classified as carcinogenic by IARC, ACGIH, NTP, or OSHA
Mutagenicity: No data available
Reproductive Toxicity: No information available
Target Organ Effects: Skin, eyes, respiratory system
Other Health Effects: Repeated exposure may cause skin dryness or cracking
Aquatic Toxicity: Chronic harmful effects to aquatic life; EC50 (daphnia magna, 48h) estimated >1 mg/L, LC50 (fish, 96h) estimated >5 mg/L
Persistence and Degradability: Likely not readily biodegradable, potential for long-term environmental persistence
Bioaccumulative Potential: High potential, based on high log Kow value
Mobility in Soil: Low water solubility and strong sorption to soil particles
Other Adverse Effects: Discharge to the environment can harm aquatic ecosystems and lead to long-term ecological consequences
Disposal Methods: Dispose of material in accordance with local, regional, and national regulations, incineration recommended for contaminated packaging and wastes
Special Precautions for Landfill or Incineration: Do not dispose via watercourses, treat as hazardous chemical waste
Contaminated Packaging: Empty containers can contain residues; triple rinse and send to hazardous waste facility
Waste Codes: Contact authority for applicable codes
UN Number: Not regulated for ground, air, or sea transport under most guidelines
Proper Shipping Name: 2,6-Diphenylphenol
Transport Hazard Class: Not classified as a hazardous material
Packing Group: Not assigned
Environmental Hazards: Not regarded as marine pollutant
Special Transport Precautions: Keep container upright and secure during transport, avoid container rupture, check with shipper or carrier for local requirements
OSHA Status: Not specifically listed under OSHA hazardous chemicals, general duty clause may apply
TSCA Status: Listed in U.S. TSCA Inventory
EU REACH Status: Registration or notification may be required, not SVHC
WHMIS Classification (Canada): Not classified under current regulations
SARA Title III Sections 302/311/312/313: Not subject to reporting requirements
DSL/NDSL (Canada): Listed/registered
Other International Inventories: Listed in inventories for Australia (AICS), Japan (ENCS), Korea (ECL), China (IECSC)
Labeling Requirements: Use hazard pictograms, warning phrases, and safety instructions consistent with GHS and regulatory standards