Product Name: Cyclohexanone
CAS Number: 108-94-1
Alternative Names: Pimelic ketone, Ketohexamethylene, Cyclohexyl ketone
Recommended Use: Industrial solvent, intermediate in nylon production, paint and varnish remover, degreasing agent
Manufacturer Contact: [Company-specific contact information]
Emergency Contact Number: [Specific emergency telephone number]
UN Number: UN 1915
Chemical Formula: C6H10O
Hazard Classifications: Flammable liquid (Category 3), Acute toxicity (Category 4), Eye irritation (Category 2)
Hazard Statements: Flammable liquid and vapor, Causes serious eye irritation, Harmful if inhaled or swallowed, May cause drowsiness or dizziness
Signal Word: Warning
Pictograms: Flame, Exclamation mark
Precautionary Statements: Keep away from heat, sparks, open flames, avoid breathing vapors, use only outdoors or in well-ventilated area, wear protective gloves and eye/face protection
Routes of Exposure: Inhalation, skin and eye contact, ingestion
Component: Cyclohexanone
Concentration: ≥99%
Impurities: Minimal presence of cyclohexanol and water based on source; usually below 1%
Physical State: Liquid
Color: Clear to pale yellow
Odor: Acetone-like, sweet pungent
Inhalation: Move affected person to fresh air immediately, keep comfortable, seek medical attention if symptoms persist (dizziness, drowsiness)
Skin Contact: Remove contaminated clothing, wash skin with soap and water, seek medical advice if irritation develops
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if present, continue rinsing, obtain medical attention
Ingestion: Rinse mouth, do not induce vomiting, obtain medical help right away
Most Important Symptoms: Headache, nausea, eye/skin redness, respiratory discomfort
Advice For Medical Personnel: Treat symptomatically, monitor respiratory and kidney function
Suitable Extinguishing Media: Dry chemical, carbon dioxide, alcohol-resistant foam
Unsuitable Media: Direct water jet can scatter material and spread fire
Specific Hazards: Vapors may travel to source of ignition, releases toxic smoke (carbon monoxide, carbon dioxide) during fires
Special Protective Equipment: Firefighters should wear self-contained breathing apparatus, protective suit
Firefighting Procedures: Use water spray to cool exposed containers, control runoff due to environmental hazards, evacuate area in case of large fire
Personal Measures: Evacuate unnecessary personnel, avoid breathing vapors, wear appropriate PPE (gloves, goggles, respirators)
Environmental Measures: Prevent product from entering drains, surface or groundwater
Clean-Up Procedures: Use non-sparking tools, contain spill with inert absorbent (sand, earth), collect in chemical waste containers for proper disposal, ventilate area after cleanup
Reporting: Notify environmental or regulatory authorities if significant release occurs
Handling: Use in ventilated areas, avoid contact with eyes and skin, ground and bond containers to prevent static discharge, keep away from ignition sources
Storage: Store in tightly closed containers, away from heat and direct sunlight, separate from strong oxidizers and acids, store in flammable liquids area with secondary containment
Storage Temperature: Keep below 30°C, avoid freezing temperatures
Incompatible Materials: Strong acids, strong bases, oxidizing agents such as nitric acid or peroxides
Storage Containers: Use approved metal or plastic containers, regularly inspect for damage or leakage
Occupational Exposure Limits: OSHA PEL 25 ppm (100 mg/m³), ACGIH TLV 20 ppm (skin notation)
Engineering Controls: Local exhaust ventilation, chemical fume hoods
Personal Protective Equipment: Chemical-resistant gloves (nitrile or neoprene), splash-proof goggles, flame-resistant lab coats, respiratory protection (NIOSH-approved respirators for vapor concentrations above exposure limits)
Hygiene Measures: Wash hands and face after handling, avoid eating or drinking in work areas, remove contaminated clothing before entering common spaces
Monitoring: Regular air sampling in workplace environments, medical surveillance for frequent handlers
Appearance: Clear, colorless to pale yellow liquid
Odor: Sweet, acetone-like
Boiling Point: 155.6°C (312°F)
Melting Point: -31°C (-24°F)
Flash Point: 44°C (111°F, closed cup)
Evaporation Rate: Moderate (compared to water)
Flammability: Flammable liquid and vapor
Vapor Pressure: 5 mm Hg at 25°C
Vapor Density: 3.45 (air = 1)
Solubility: Moderately soluble in water, miscible with alcohol, ether
Density: 0.945 g/cm³ at 20°C
Partition Coefficient (log Kow): 0.81
Autoignition Temperature: 420°C (788°F)
Decomposition Temperature: Not established
Viscosity: 2.02 mPa·s at 25°C
Chemical Stability: Stable during normal handling and storage
Possibility of Hazardous Reactions: Forms explosive peroxides on prolonged air exposure, reacts with oxidizing agents, strong acids or bases
Conditions to Avoid: Heat, sparks, open flames, static discharge, prolonged exposure to air
Incompatible Materials: Strong oxidizers (e.g., nitric acid, peroxides), acids, bases
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, possibly toxic fumes during combustion
Polymerization: Will not occur under recommended conditions
Acute Toxicity: Oral LD50 (rat): 1400 mg/kg; Dermal LD50 (rabbit): 930 mg/kg; Inhalation LC50 (rat, 4h): 8000 ppm
Chronic Effects: Prolonged exposure linked to liver and kidney damage, central nervous system effects (headache, drowsiness, dizziness)
Irritation: Moderately irritating to skin and eyes
Sensitization: No known sensitization effects
Carcinogenicity: Not listed as carcinogenic by IARC, NTP, or OSHA
Reproductive Toxicity: No conclusive evidence of reproductive harm in humans
Routes of Entry: Inhalation, skin contact, ingestion
Other Health Effects: May aggravate pre-existing respiratory, liver, or kidney disorders
Ecotoxicity: Harmful to aquatic life with acute and long-term effects; LC50 (96h, fish): 527 mg/L
Persistence and Degradability: Moderately persistent, readily biodegradable under aerobic conditions
Bioaccumulation: Low potential (log Kow = 0.81)
Mobility in Soil: High, may leach into groundwater
Other Hazards: Volatile organic compound (VOC) contributing to ground-level ozone formation
Environmental Precautions: Avoid release to soil, waterways; follow all environmental protection practices
Waste Treatment Methods: Dispose by incineration in accordance with local, state, national regulations
Waste Codes: U057 (RCRA Hazardous Waste)
Container Disposal: Rinse with compatible solvent, puncture, and deliver to licensed waste facility
Do Not Discharge: Do not allow material to reach sewers, surface waters, or soil
Recycling: Reuse or recycle material if possible through permitted programs
Responsible Parties: Generator is responsible for proper characterization and disposal
UN Number: UN 1915
Proper Shipping Name: Cyclohexanone
Transport Hazard Class: 3 (Flammable liquid)
Packing Group: III
Labels Required: Flammable liquid label
Hazard Identification Number (ADR/RID): 30
Environmental Hazards: Marine pollutant (not classified as such)
Special Precautions: Keep containers upright, secure during transit, keep away from food and feedstuffs, use spill kits in event of leaks
TSCA: Listed in the United States Toxic Substances Control Act inventory
SARA 313: Subject to reporting for specific facilities
OSHA: Hazardous Chemical (29 CFR 1910.1200)
REACH: Registered substance within the European Union
California Proposition 65: Not listed
WHMIS (Canada): Classified as Flammable Liquid
Other Regulations: Subject to workplace safety, transportation, environmental, and chemical storage regulations as applicable in each jurisdiction
Restrictions: Use and emissions regulated under air, water, waste, safety, workplace, and chemical regulations
