Product Identification
【Product Name】Methyl carbamate 氨基甲酸甲酯
【Synonyms】Urethylane
【CAS】598-55-0
【Formula】C2H5NO2
【Molecular Weight】75.069999999999993
【EINECS】209-939-2
【RTECS】FC2450000
【RTECS Class】Tumorigen; Mutagen; Primary Irritant
【Merck】12,6115
【Beilstein/Gmelin】635779
【Beilstein Reference】4-03-00-00037
Physical and Chemical Properties

【Appearance】White crystals.
【Solubility in water】Very soluble
【Melting Point】53 - 54℃
【Boiling Point】177℃
【Vapor Pressure】1 (25℃)
【Density】1.1361 g/cm3 (56℃)
【pKa/pKb】13.37 (pKa)
【Partition Coefficient】-.66
【Heat Of Vaporization】41.5 kJ/mol
【Usage】Used in europe as pharmaceutical intermediate.
【Refractive Index】1.41 (55℃)

First Aid Measures
【Ingestion】Get medical aid immediately. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
【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. Remove contaminated clothing and shoes.
【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】Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances.
【Handling】Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Use with adequate ventilation.

Hazards Identification
【Ingestion】Causes gastrointestinal irritation with nausea, vomiting and diarrhea.
【Inhalation】May cause respiratory tract irritation.
【Skin】May cause skin irritation.
【Eyes】May cause eye irritation.
【EC Risk Phrase】R 40
【EC Safety Phrase】S 22 36/37
【UN (DOT)】2811

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.
【Poison Class】4

Fire Fighting Measures
【Flash Point】105
【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.
【Fire Potential】This material is probably combustible.

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. Avoid generating dusty conditions. Provide ventilation.

Stability and Reactivity
【Disposal Code】3
【Stability】Stable under normal temperatures and pressures. Freely sublimes at room temperature.
【Incompatibilities】Strong oxidizing agents, strong bases, phosphorous halides.
【Decomposition】Carbon monoxide, oxides of nitrogen, irritating and toxic fumes and gases, carbon dioxide.

Transport Information
【UN Number】2811
【HS Code】2924 19 00