【Product Name】Dibenz[de,kl]anthracene 苝
【Synonyms】peri-Dinaphthalene 芘
【CAS】198-55-0
【Formula】C20H12
【Molecular Weight】252.32
【EINECS】205-900-9
【RTECS】SE3794000
【RTECS Class】Tumorigen; Mutagen
【Merck】12,7325
【Beilstein/Gmelin】1911335
【Beilstein Reference】4-05-00-02689
Physical and Chemical Properties
【Appearance】Yellow to colorless crystals from toluene.
【Solubility in water】Insoluble
【Melting Point】273 - 278
【Boiling Point】443
【Vapor Pressure】0.0001 (124 C)
【Density】1.362 g/cm3
【Partition Coefficient】5.82
【Usage】Used in the manufacture of organic semiconductors.
First Aid Measures
【Ingestion】Get medical aid. Wash mouth out with water.
【Inhalation】Remove from exposure to fresh air immediately. Get medical aid if cough or other symptoms appear.
【Skin】Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists.
【Eyes】Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Handling and Storage
【Storage】Store in a cool, dry place. Store in a tightly closed container.
【Handling】Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Use only in a chemical fume hood.
Hazards Identification
【Inhalation】May cause respiratory tract irritation.
【Skin】May cause skin irritation.
【Eyes】May cause eye irritation.
【Ingestion】Harmful if swallowed. May cause gastrointestinal irritation with nausea, vomiting and diarrhea.
【EC Risk Phrase】R 40
【EC Safety Phrase】S 22 36/37
【UN (DOT)】2811
Exposure Controls/Personal Protection
【Personal Protection】Eyes: Wear chemical ggles. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear a chemical apron.
【Respirators】A NIOSH/MSHA approved air purifying dust or mist respirator or European Standard EN 149.
【Exposure Effects】May cause cancer according to animal studies.
【Poison Class】1* Fire Fighting Measures
【Fire Fighting】Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.
Accidental Release Measures
【Small spills/leaks】Vacuum or sweep up material and place into a suitable disposal container.
Stability and Reactivity
【Disposal Code】3
【Stability】photo-oxidizable in the presence of acids.
【Incompatibilities】Strong oxidizing agents
【Decomposition】Carbon monoxide, carbon dioxide.
Transport Information
【UN Number】2811
【HS Code】2902 90 80