Avobenzone
$ 4.00 Original price was: $ 4.00.$ 3.52Current price is: $ 3.52.
Avobenzone (chemical name: Butyl Methoxydibenzoylmethane) is an oil-soluble organic compound widely used as a UVA filter in sunscreen formulations. It is valued for its ability to absorb a broad spectrum of ultraviolet A (UVA) rays (320–400 nm), protecting the skin from premature aging and damage caused by sun exposure. Avobenzone is often combined with other UV filters to provide broad-spectrum sun protection. It is a pale yellow liquid or crystalline powder, soluble in oils and alcohols but unstable in sunlight unless stabilized with other agents.
Avobenzone
Primary Uses
Cosmetics & Personal Care
- Used extensively as a UVA filter in sunscreen lotions, creams, and sprays to protect skin from harmful UVA radiation.
- Incorporated in daily-use moisturizers and lip balms with SPF for sun protection.
- Employed in anti-aging skincare products to prevent photoaging caused by UVA rays.
Pharmaceuticals
- Used in topical formulations for photoprotection during dermatological treatments and procedures.
Research & Development
- Utilized in formulation development for sunscreens and UV-protective products.
- Studied for photostability enhancement when combined with stabilizers or other UV absorbers.
Secondary Uses
Textiles & Coatings
- Occasionally used in UV-protective coatings for textiles and plastics to enhance durability against sun damage.
Packaging
Incorporated into some UV-protective packaging materials to extend shelf life of sensitive products.
1. Basic Identification Attributes
- Chemical Name (IUPAC): Butyl 4-(diethylamino)-2-hydroxybenzoyl-phenylmethane (Avobenzone)
- Common/Trade Name: Avobenzone, Parsol 1789
- CAS Number: 70356-09-1
- HS Code: 2934.99.90
- Molecular Formula: C₂₀H₂₂O₃
- Synonyms:
- Butyl Methoxydibenzoylmethane
- 1-(4-methoxyphenyl)-3-(4-tert-butylphenyl)propane-1,3-dione
2. Physical & Chemical Properties
- Physical State: Pale yellow crystalline powder or viscous liquid
- Color & Odor: Pale yellow, mild odor
- Melting Point: 80–85 °C
- Density: Approx. 1.03 g/cm³
- Solubility: Soluble in oils, alcohols, and organic solvents; insoluble in water
- Vapor Pressure: Low
- Flash Point: > 180 °C (closed cup)
- Stability: Photounstable alone; requires stabilizers in formulations
3. Safety & Hazard Attributes
- Hazard Class (GHS): Generally considered safe for topical use; may cause mild skin irritation in sensitive individuals
- NFPA Ratings: Health 1, Flammability 1, Reactivity 0
- Exposure Limits: No specific occupational exposure limits established
- Reactivity: Stable under normal conditions; degrades under UV light unless stabilized
4. Storage & Handling Attributes
- Storage Conditions: Store in a cool, dry place away from direct sunlight
- Container Type: Airtight containers made of glass or high-quality plastic to avoid contamination
- Shelf Life: Approximately 2 years when stored properly
- Special Handling: Avoid prolonged exposure to light and heat; use antioxidants or stabilizers in formulations
5. Regulatory & Compliance Attributes
- FDA (USA): Approved as a sunscreen active ingredient (maximum allowed concentration: 3%)
- EMA (EU): Approved and regulated as a UV filter in cosmetic products
- JECFA: Listed and recognized as safe within specified concentrations
- Hazard Symbols (GHS): None
- Transportation Restrictions: Not classified as hazardous
- Waste Disposal: Dispose of in accordance with local environmental regulations
6. Environmental & Health Impact
- Ecotoxicity: Low to moderate aquatic toxicity; care needed to avoid environmental contamination
- Persistence: May degrade under sunlight exposure; biodegradable under environmental conditions
- Carcinogenicity/Mutagenicity: Not classified as carcinogenic or mutagenic
Biodegradability: Readily biodegradable in aquatic environments
-
Safety Handling Precautions
- PPE: Use gloves and safety goggles when handling pure substance to avoid skin and eye irritation.
- Handling: Work in well-ventilated areas; avoid inhalation of dust or aerosols.
- Storage: Keep away from heat and light; seal containers tightly after use.
- Hygiene: Wash hands after handling; avoid ingestion and contact with eyes.
- Spill Response: Use inert absorbents and dispose of according to regulations.
First Aid Measures
- Inhalation: Move affected person to fresh air; seek medical advice if irritation persists.
- Skin Contact: Wash skin with soap and water; consult a physician if irritation or allergic reaction occurs.
- Eye Contact: Rinse eyes thoroughly with water for 15 minutes; seek medical attention if irritation continues.
- Ingestion: Rinse mouth with water; seek medical attention if significant amount swallowed.
Firefighting Measures
- Fire Hazards: Combustible; may produce toxic fumes when heated to decomposition.
- Extinguishing Media: Use water spray, foam, dry chemical, or carbon dioxide extinguishers.
Special Precautions: Firefighters should wear protective clothing and breathing apparatus.
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