Product Identification
【Product Name】Methyl 3-pyridyl ketone 　3-乙酰基吡啶
【Synonyms】3-Pyridinyl methyl ketone
【CAS】350-03-8
【Formula】C7H7NO
【Molecular Weight】121.14
【EINECS】206-496-7
【RTECS】OB5425000
【RTECS Class】Mutagen
【Merck】12,6195
【Beilstein/Gmelin】107751
【Beilstein Reference】5-21-07-00394
【EC Class】toxic, irritant

Physical and Chemical Properties
【Appearance】Clear brown liquid. Characteristic odor.
【Solubility in water】Soluble
【Melting Point】11 - 13
【Boiling Point】220
【Vapor Pressure】0.022 (20 C)
【Density】1.1065 g/cm3 (20 C)
【pKa/pKb】10.57 (pKb)
【Vapor Density】4.17
【Refractive Index】1.5293 (20 C)

First Aid Measures
【Ingestion】If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid immediately. Induce vomiting by giving one teaspoon of Syrup of Ipecac.
【Inhalation】Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
【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.

Handling and Storage
【Storage】Store in a tightly closed container. Store in a cool, dry area away from incompatible substances.
【Handling】Wash thoroughly after handling. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Use only in a chemical fume hood.

Hazards Identification
【Ingestion】May be fatal if swallowed. May cause digestive tract disturbances. The toxicological properties of this substance have not been fully investigated.
【Inhalation】May cause respiratory tract irritation.
【Skin】Causes skin irritation.
【Eyes】May cause eye irritation.
【EC Risk Phrase】R 21 25 36/38
【EC Safety Phrase】S 26 28 36/37/39 45
【UN (DOT)】2810

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】Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.

Fire Fighting Measures
【Flash Point】104
【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. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.

Accidental Release Measures
【Small spills/leaks】Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container. Clean up spills immediately, using the appropriate protective equipment. Provide ventilation.

Stability and Reactivity
【Disposal Code】5
【Stability】No data.
【Incompatibilities】Strong oxidizing agents, strong acids, strong reducing agents.
【Decomposition】Nitrogen oxides, carbon monoxide, carbon dioxide.

Transport Information
【UN Number】2810
【HS Code】2933 39 99