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Product Name: Avobenzone
Chemical Name: Butyl Methoxydibenzoylmethane
CAS Number: 70356-09-1
Synonyms: Parsol 1789, Eusolex 9020
Recommended Use: Sunscreen agent in cosmetic formulations
Manufacturer: Name and address details specific to supplier
Contact Number for Emergency: 24-hour emergency contact for manufacturer or regional poison control
Classification: Hazardous according to OSHA Hazard Communication Standard (29 CFR 1910.1200)
GHS Label: Not classified as a dangerous substance under GHS
Health Hazards: Eye irritation, skin irritation, possible allergic reactions
Environmental Hazards: Harmful to aquatic life with long lasting effects
Signal Word: Warning
Hazard Statements: Causes moderate eye irritation, may cause slight skin irritation, toxic to aquatic organisms
Precautionary Statements: Avoid release to environment, avoid skin and eye contact, wear protective gloves and eye protection
Chemical Identity: Butyl Methoxydibenzoylmethane
Concentration: 98-100% (in pure substance)
Chemical Formula: C20H22O3
Impurities: Very low, specified by manufacturer; no information about significant hazardous impurities in technical grade
Eye Contact: Rinse with water for several minutes, remove contact lenses if present and easy to do
Skin Contact: Wash with plenty of soap and water, get medical attention if irritation develops
Inhalation: Move person to fresh air, keep comfortable for breathing, seek medical help if symptoms occur
Ingestion: Rinse mouth with water, do not induce vomiting, get medical attention in case of discomfort
Symptoms: May cause redness, stinging, swelling, or itching
Suitable Extinguishing Media: Water spray, dry chemical, foam, carbon dioxide
Unsuitable Extinguishing Media: High pressure water jet
Specific Hazards: May produce toxic fumes (carbon monoxide, carbon dioxide) upon combustion
Special Protective Equipment: Wear self-contained breathing apparatus and full protective clothing
Advice to Firefighters: Cool containers exposed to flame with water spray, prevent runoff to water bodies
Personal Precautions: Avoid breathing dust, avoid contact with skin and eyes, put on appropriate protective clothing
Environmental Precautions: Prevent further leakage or spillage, avoid discharge into soil or waterways
Clean-Up Methods: Sweep or scoop up material and place in appropriate container for disposal, wash spill site with water after material pickup is complete
Handling: Avoid dust formation, use only outdoors or in well-ventilated area, minimize direct exposure, do not eat, drink, or smoke while handling
Storage: Store in tightly closed original container, keep in a cool, dry place away from heat, sunlight, incompatible substances (strong oxidizers), keep out of reach of children
Occupational Exposure Limits: No specific limits for avobenzone set by OSHA, NIOSH, or ACGIH
Engineering Controls: Provide local exhaust ventilation system, maintain eyewash stations and safety showers in work area
Personal Protective Equipment: Protective gloves (nitrile or latex), safety glasses with side shields, lab coats or coveralls; use NIOSH-approved respirator if dust or aerosol generation expected
Hygienic Practices: Wash hands thoroughly after handling, remove contaminated clothing and wash before reuse
Appearance: Pale yellow crystalline powder
Odor: Faint characteristic odor
Odor Threshold: Not available
pH: Not applicable (insoluble in water)
Melting Point/Freezing Point: 80-85 °C
Boiling Point: Not available
Flash Point: Above 200 °C (closed cup)
Evaporation Rate: Not determined
Flammability: Not easily flammable
Vapor Pressure: Negligible at room temperature
Solubility: Insoluble in water, soluble in oils and organic solvents
Partition Coefficient (log Pow): 4.51
Auto-Ignition Temperature: Not self-igniting
Decomposition Temperature: Not specified
Viscosity: Not relevant in solid state
Chemical Stability: Stable under normal temperatures and pressures
Possibility of Hazardous Reactions: No dangerous reactions if used and stored as instructed
Conditions to Avoid: Prolonged exposure to light, heat, and moisture; avoid open flames
Incompatible Materials: Strong oxidizing agents, strong acids and bases
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, and possibly unidentified organic compounds
Routes of Exposure: Inhalation, skin contact, eye contact, ingestion
Acute Toxicity: Oral LD50 (rat) > 2000 mg/kg; low acute toxicity
Chronic Toxicity: No evidence of carcinogenicity or mutagenicity in animal studies
Skin Irritation: Mild irritant
Eye Irritation: Mild irritant
Respiratory Effects: Dust may cause respiratory irritation
Sensitization: Rare cases of allergic contact dermatitis reported
Other Effects: Not classified as teratogenic or reproductive toxin
Ecotoxicity: Toxic to aquatic life, especially fish and invertebrates
Persistence and Degradability: Not readily biodegradable
Bioaccumulative Potential: High potential for bioaccumulation in aquatic species (log Pow > 4)
Mobility in Soil: Limited mobility, binds to soil and sediment
Other Adverse Effects: Possible environmental hazard in large spills; avoid uncontrolled release to waterways
Disposal Methods: Dispose of in accordance with local, regional, and national regulations; do not dump into sewers, drains, or natural water bodies
Packaging Disposal: Rinse empty containers before recycling or disposal, do not reuse containers for other purposes
Special Precautions: Avoid forming dust, implement measures to prevent release to the environment during disposal
UN Number: Not regulated for transport
UN Proper Shipping Name: Not classified as hazardous cargo
Transport Hazard Class: Non-hazardous
Packing Group: Not applicable
Environmental Hazards: Product may pose hazard if large spill occurs during transport, though not classified as marine pollutant
Special Precautions for User: Protect packages from physical damage; ensure containers remain upright and sealed
OSHA Status: Not specifically listed
TSCA Status: Listed on US Toxic Substances Control Act Inventory
EU Regulation: Listed in EC Inventory (REACH/CLP compliant), maximum allowed in cosmetics: 5% (by weight)
Canada WHMIS Classification: Not controlled
California Prop 65: Not listed
Other Regulatory Information: Meets allowable limits for sunscreen use as set by FDA (USA) and SCCS (Europe), restrictions on maximum use levels in finished products apply
