Product Identification
【Product Name】Ethyl 3-phenyl-3-oxopropanoate ；苯甲酰乙酸乙酯
【Synonyms】3-Oxo-3-phenylpropionic acid ethyl ester
【CAS】94-02-0
【Formula】C11H12O3
【Molecular Weight】192.22
【EINECS】202-295-3
【RTECS】AF4878000
【RTECS Class】Other
【Merck】13,3803
【Beilstein/Gmelin】389944
【Beilstein Reference】4-10-00-02756

Physical and Chemical Properties
【Appearance】Clear, light yellow to yellow liquid.
【Solubility in water】Insoluble
【Melting Point】<0℃
【Boiling Point】265℃
【Vapor Pressure】0.008 (25℃)
【Density】1.1328 g/cm3 (0℃)
【pKa/pKb】9.85 (pKa)
【Partition Coefficient】1.87
【Heat Of Vaporization】50.6 kJ/mol
【Vapor Density】6.59
【Refractive Index】1.5265 (15.4℃)

First Aid Measures
【Ingestion】If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.
【Inhalation】Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
【Skin】Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
【Eyes】Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.

Handling and Storage
【Storage】Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Do not expose to air. Store protected from light. Store under an inert atmosphere.
【Handling】Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Store protected from light. Handle under an inert atmosphere. Store protected from air. Keep from contact with moist air and steam.

Hazards Identification
【Inhalation】May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.
【Skin】May cause skin irritation.
【Eyes】May cause eye irritation.
【Ingestion】May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated.
【EC Safety Phrase】S 24/25

Exposure Controls/Personal Protection
【Personal Protection】Eyes: Wear appropriate protective eyeglasses or chemical safety ggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
【Respirators】A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.
【Exposure Effects】May cause irritation of the eyes, skin, digestive tract and respiratrory tract.

Fire Fighting Measures
【Flash Point】113℃
【Autoignition】375℃
【Fire Fighting】Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Extinguishing media: Use agent most appropriate to extinguish fire. In case of fire use water spray, dry chemical, carbon dioxide, or appropriate foam.

Accidental Release Measures
【Small spills/leaks】Clean up spills immediately, using the appropriate protective equipment. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Provide ventilation. Place under an inert atmosphere.

Stability and Reactivity
【Disposal Code】1
【Incompatibilities】Acids, bases, air, steam, strong oxidizing agents, strong reducing agents, light.
【Stability】Substance may under color change upon exposure to light and air. Volatile in steam.
【Decomposition】Carbon monoxide, carbon dioxide.

Transport Information
【HS Code】2918 30 00