| Product Identification | Back to Contents | 【Product Name】
Carbamic acid ethyl ester | 【Synonyms】
Carbamic acid ethyl ester
Ethyl urethane
Urethane | 【CAS】
51-79-6 | 【Formula】
C3H7NO2 | 【Molecular Weight】
89.09 | 【EINECS】
200-123-1 | 【RTECS】
FA8400000 | 【RTECS Class】
Tumorigen; Drug; Mutagen; Reproductive Effector | 【Merck】
12,10013 | 【Beilstein/Gmelin】
635810 | 【Beilstein Reference】
4-03-00-00040 | 【EC Index Number】
607-149-00-6 | 【EC Class】
Carcinogenic Category 2 |
| Physical and Chemical Properties | Back to Contents | 【Appearance】
Odorless colorless crystals or white powder. Cooling saline taste. | 【Solubility in water】
Very soluble | 【Melting Point】
48-50 | 【Boiling Point】
182 | 【Vapor Pressure】
0.75 (25 C) | 【Density】
1.11 g/cm3 (20 C) | 【Partition Coefficient】
-.15 | 【Heat Of Vaporization】
42.0 kJ/mol | 【Heat Of Combustion】
-1664 kJ/mol | 【Usage】
Molten urethan is good solvent for various organic materials, prepn & modification of amino resins, as solubilizer & co-solvent for pesticides, fumigants. | 【Vapor Density】
3.07 | 【Refractive Index】
1.4144 (51 C) |
| First Aid Measures | Back to Contents | 【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. | 【Eyes】
First check the victim for contact lenses and remove if present. Flush victim's eyes with water or normal saline solution for 20 to 30 minutes while simultaneously calling a hospital or poison control center. Do not put any ointments, oils, or medication in the victim's eyes without specific instructions from a physician. IMMEDIATELY transport the victim after flushing eyes to a hospital even if no symptoms (such as redness or irritation) develop. |
| Handling and Storage | Back to Contents | 【Storage】
Keep away from heat, sparks, and flame. Keep away from sources of ignition. Store in a tightly closed container. 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. Empty containers retain product residue, (liquid and/or vapor), and can be dangerous. Keep container tightly closed. Avoid contact with heat, sparks and flame. Avoid ingestion and inhalation. Do not pressurize, cut, weld, braze, solder, drill, grind, or expose empty containers to heat, sparks or open flames. |
| Hazards Identification | Back to Contents | 【Inhalation】
May cause respiratory tract irritation. | 【Skin】
May cause skin irritation. Substance is readily absorbed through the skin. | 【Eyes】
May cause eye irritation. | 【Ingestion】
May cause irritation of the digestive tract. May cause gastrointestinal irritation with nausea, vomiting and diarrhea. May cause liver and kidney damage. May cause central nervous system depression. May cause bone marrow depression and possible focal degeneration of the brain. |
| Exposure Controls/Personal Protection | Back to Contents | 【Personal Protection】
Chemical splash goggles in compliance with OSHA regulations are advised; however, OSHA regulations also permit other type safety glasses. Whre chemical resistant gloves. To prevent repeated or prolonged skin contact, wear impervious clothing and boots. | 【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. | 【Exposure Effects】
Possible cancer hazard based on tests with laboratory animals. | 【Poison Class】
1* |
| Fire Fighting Measures | Back to Contents | 【Flash Point】
92 | 【Fire Fighting】
Fires involving this material can be controlled with a dry chemical, carbon dioxide or Halon extinguisher. A water spray may also be used. | 【Fire Potential】
This chemical is combustible. |
| Stability and Reactivity | Back to Contents | 【Incompatibilities】
Acids, antipyrine, chloral hydrate, salol, thymol. | 【Stability】
Stable under normal temperatures and pressures. | 【Decomposition】
Nitrogen oxides, carbon monoxide, carbon dioxide, nitrogen. | 【Combustion Products】
When heated, it emits toxic fumes of nox. |
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