Product Name: 4-Chloro-4'-fluorobutyrophenone
Chemical Family: Aromatic ketones
Synonyms: 1-(4-Chlorophenyl)-4'-fluorobutan-1-one
CAS Number: 6706-35-0
Molecular Formula: C10H10ClFO
Molecular Weight: 200.64 g/mol
Supplier: Chemical distributors or laboratory suppliers known for handling specialty organics
Recommended Use: Laboratory reagents, intermediate in chemical synthesis, research and development
Restrictions: Not for drug, household or food applications
Emergency Contact: Refer to local supplier or poison control
Classification: Eye irritation, acute toxicity (oral, dermal, inhalation), skin irritation
Signal Word: Warning
GHS Pictograms: Exclamation mark
Hazard Statements: May cause skin and eye irritation, harmful if swallowed or inhaled, may cause respiratory irritation
Precautionary Statements: Avoid breathing vapors, use in well-ventilated areas, wash hands thoroughly after handling, wear protective gloves and eye protection, do not eat, drink or smoke during use
Potential Health Effects: May cause irritation to eyes, skin, and respiratory tract; prolonged exposure could affect central nervous system
Routes of Exposure: Skin contact, inhalation, ingestion, eye contact
Environmental Hazard: Harmful to aquatic organisms, may cause long term adverse effects in the aquatic environment
Chemical Name: 4-Chloro-4'-fluorobutyrophenone
CAS No.: 6706-35-0
Concentration: 98% or greater
Impurities: Trace levels of related aromatic ketone compounds, unreacted starting material under 2%
Additives: None known
Stabilizing Ingredients: None
Form: Solid or viscous oil, colorless to pale yellow
Occupational Exposure Limits: No established limits for this compound, follow good laboratory hygiene
Eye Contact: Rinse immediately with gentle water flow for at least 15 minutes, keep eyelids open, seek medical attention
Skin Contact: Remove contaminated clothing, wash skin with soap and water for 15 minutes, seek medical evaluation if irritation persists
Inhalation: Move victim to fresh air, keep at rest in a position comfortable for breathing, provide oxygen if available, call poison control or a physician
Ingestion: Rinse mouth with water, do not induce vomiting, seek immediate medical attention, never give anything by mouth to a convulsing or unconscious person
Acute Symptoms: Burning eyes, skin redness, coughing, dizziness, confusion
Medical Attention: Immediate for inhalation, ingestion, or splashes to eyes
Suitable Extinguishing Media: Carbon dioxide, dry chemical, foam, water spray (use to cool containers)
Unsuitable Media: Direct water stream may spread burning material
Combustion Hazards: Emits toxic fumes (hydrogen chloride, hydrogen fluoride, carbon monoxide and dioxide) under fire conditions
Protective Equipment: Full-face self-contained breathing apparatus (SCBA), full protective gear
Special Procedures: Evacuate area, fight fire from a safe distance or protected location, collect contaminated fire runoff separately, prevent spillage into water systems
Personal Precautions: Wear gloves, goggles, laboratory coat, NIOSH-approved respirator if available, ventilate area
Spill Cleanup Procedures: Absorb liquid with sand or inert absorbent, scoop absorbed material into chemical waste container, seal and label for disposal
Prevent Environmental Release: Prevent entry into drains, surface water, or soil
Decontamination: Wash spill area with soap and copious water
Notification: Inform local authorities in accordance with regulations for hazardous release if significant quantities involved
Handling: Handle in fume hood or well-ventilated space, avoid skin and eye contact, do not inhale dust or vapors, use correct personal protective equipment
Technical Measures: Ground and bond containers when transferring liquids to reduce static build-up
Safe Storage Precautions: Store in a tightly closed, clearly labeled container away from incompatible chemicals (strong oxidizers, reducing agents), keep out of direct sunlight and away from heat sources
Temperature Range: Suggested storage at ambient to cool temperatures (15–25°C), avoid freezing
Incompatibles: Bases, strong acids, oxidizing and reducing agents, moisture-sensitive compounds
Special Packaging: Use glass or compatible plastic, secondary containment recommended for larger quantities
Engineering Controls: Chemical fume hood, mechanical exhaust required, safety shower and eyewash station nearby
Personal Protection: Nitrile or butyl rubber gloves, safety glasses or face shield, laboratory coat or chemical resistant apron
Respiratory Protection: NIOSH-approved organic vapor respirator for spills or when ventilation inadequate
Environmental Exposure Controls: Avoid discharge to drains, use containment methods, monitor air concentrations if working with large volumes
Hygiene: Wash hands and forearms before breaks and after use, launder contaminated clothing before reuse
Appearance: Pale yellow to colorless viscous oil or crystalline solid
Odor: Faint aromatic odor
Odor Threshold: Not established
pH: Not applicable (non-aqueous solid/oil)
Melting Point: 38–45°C
Boiling Point: 289–294°C (estimated, under atmospheric pressure)
Flash Point: Over 120°C (closed cup)
Evaporation Rate: Slow
Flammability: Not highly flammable, combustible at elevated temperatures
Explosive Limits: Not determined
Vapor Pressure: Low at room temperature
Vapor Density: No data
Relative Density: About 1.23 (water = 1)
Water Solubility: Insoluble; slight miscibility possible
Partition Coefficient (n-octanol/water): Expected moderate (log Kow > 2)
Auto-ignition Temperature: Not determined
Decomposition Temperature: May decompose above 250°C
Viscosity: Viscous liquid or solid depending on temperature
Chemical Stability: Stable under recommended storage conditions
Hazardous Reactions: Reacts with strong oxidizers, strong bases
Conditions to Avoid: Excessive heat, open flames, incompatible materials
Materials to Avoid: Acids, alkali, oxidizing agents, reducing agents
Hazardous Decomposition Products: Hydrogen chloride, hydrogen fluoride, carbon monoxide, carbon dioxide, unidentified toxic gases
Polymerization: Will not occur under standard laboratory conditions
LD50 (Oral, Rat): Data not widely available, similar aryl ketones range from 300–2,000 mg/kg
LC50 (Inhalation, Rat): Not available; avoid inhaling any vapors or dust
Potential Immediate Effects: Irritation to eyes, skin, respiratory tract; headache, dizziness on inhalation
Potential Chronic Effects: Repeat or prolonged contact may cause dermatitis; potential neurological symptoms, though data for this compound is limited
Carcinogenicity: No data, not listed by NTP, IARC, or OSHA
Mutagenicity: Not tested
Reproductive Effects: Not tested
Sensitization: No data
Target Organs: Eyes, skin, central nervous system
Specific Symptoms: Burning sensation, cough, nausea, confusion, weakness with high exposure
Ecotoxicity: Harmful to aquatic life based on structure and limited data; persistence in environment likely
Mobility: Low in soil; adsorption to organic matter expected
Biodegradability: Not readily biodegradable
Bioaccumulation Potential: Moderate, estimated log Kow indicates some potential for bioaccumulation in aquatic species
Aquatic Toxicity Indicators: No test data, but related aromatic ketones pose moderate risk to aquatic organisms
Effect in Sewage Plants: May impact microbial activity at high concentration
Other Adverse Effects: Unknown, avoid release to environment
Disposal Method: Burn in a chemical incinerator equipped with afterburner and scrubber, following local environmental regulations
Contaminated Packaging: Dispose of as chemical waste, do not reuse containers
Precautions: Avoid discharge into drains, soil, or public water courses
Local Regulations: Consult regional, national, and local regulations for compliant disposal
Recommended Waste Codes: Follow chemical waste coding for organic solvents and non-halogenated organics
UN Number: Not specifically assigned
Proper Shipping Name: Organic solid, n.o.s. (Not Otherwise Specified)
Hazard Class: Not classified under current transport regulations as dangerous goods
Packing Group: III (based on potential toxicity)
Transport Labels: None mandated, handle with caution
Marine Pollutant: No data
Special Transport Precautions: Use secondary containment, cushion against breakage, ship with documentation
Land, Sea, Air Regulations: Comply with individual mode requirements; check local and international rules for rare or specialty chemicals
TSCA (US): Listed or exempt
EINECS/ELINCS (EU): May be listed; check supplier’s statements
REACH (EU): Substance not registered under REACH, interim research use exemptions possible
OSHA (US): Not specifically regulated, use Standard Precautions
SARA Title III: Not identified as extremely hazardous
California Proposition 65: Not listed
WHMIS (Canada): Classified as D2B, toxic material causing other effects
Other Local Regulation: Subject to restrictions and controls as a specialty chemical; national workplace and environmental protection rules may apply
Inventory Status: Check each region’s chemical inventories for status before purchase or handling
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