| Product Identification | Back to Contents | 【Product Name】
Ethyl propanedioate | 【Synonyms】
Carbethoxyacetic ester
Dicarbethoxymethane
Diethyl propanedioate
Ethyl malonate | 【CAS】
105-53-3 | 【Formula】
C7H12O4 | 【Molecular Weight】
160.16999999999999 | 【EINECS】
203-305-9 | 【RTECS】
OO0700000 | 【RTECS Class】
Primary Irritant | 【Merck】
13,3856 | 【Beilstein/Gmelin】
774687 | 【Beilstein Reference】
4-02-00-01881 |
| Physical and Chemical Properties | Back to Contents | 【Appearance】
Clear, colorless liquid with a fruity odor. | 【Solubility in water】
Slightly soluble | 【Melting Point】
-50 | 【Boiling Point】
199 | 【Vapor Pressure】
1 (42 C) | 【Density】
1.07607 g/cm3 (0 C) | 【pKa/pKb】
13.5(at 25℃) (pKa) | 【Heat Of Vaporization】
42.71 kJ/mol | 【Heat Of Combustion】
-3603 kJ/mol | 【Usage】
Production of barbiturates. | 【Vapor Density】
5.52 | 【Refractive Index】
1.4143 (20 C) |
| First Aid Measures | Back to Contents | 【Ingestion】
Do NOT induce vomiting. 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. | 【Inhalation】
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid if cough or other symptoms appear. | 【Skin】
Immediately 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. Wash clothing before reuse. | 【Eyes】
Immediately 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 | Back to Contents | 【Storage】
Store in a cool, dry place. Keep container closed when not in use. | 【Handling】
Wash thoroughly after handling. Wash hands before eating. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Avoid contact with eyes, skin, and clothing. Empty containers retain product residue, (liquid and/or vapor), and can be dangerous. 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 | 【Ingestion】
May cause gastrointestinal irritation with nausea, vomiting and diarrhea. May cause central nervous system effects. | 【Inhalation】
May cause respiratory tract irritation. May cause narcotic effects in high concentration. | 【Skin】
May cause skin irritation. Prolonged and/or repeated contact may cause irritation and/or dermatitis. | 【Eyes】
May cause eye irritation. | 【EC Safety Phrase】
S 24/25 |
| Exposure Controls/Personal Protection | Back to Contents | 【Personal Protection】
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles 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 | Back to Contents | 【Flash Point】
93 | 【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. Use water spray to keep fire-exposed containers cool. Combustible Liquid. To extinguish fire, use water, dry chemical, chemical foam, or alcohol-resistant foam. Cool containers with flooding quantities of water until well after fire is out. | 【Upper exp. limit】
7.3 | 【Lower exp. limit】
1.3 |
| Accidental Release Measures | Back to Contents | 【Small spills/leaks】
Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container. Avoid runoff into storm sewers and ditches which lead to waterways. Clean up spills immediately, using the appropriate protective equipment. Scoop up with a nonsparking tool, then place into a suitable container for disposal. Remove all sources of ignition. Provide ventilation. Clean up residual material by washing area with a 2-5% solution of soda ash. |
| Stability and Reactivity | Back to Contents | 【Disposal Code】
1 | 【Incompatibilities】
Acids, bases, oxidizing agents, and reducing agents. | 【Stability】
Stable under normal temperatures and pressures. | 【Decomposition】
Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide. |
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