- Diethyl 2,2-diethylmalonate
- Diethyl 3,3-pentanedicarboxylate
- Diethylmalonic acid diethyl ester
- Malonic acid, diethyl-, diethyl ester
- Propanedioic acid, diethyl-, diethyl ester
Clear yellow liquid. Pungent odor.
Production of barbiturates.
Registry Numbers and Inventories.
Japan ENCS (MITI)
Melting point, °C
Boiling point, °C
Vapor density (air=1)
0.99167 g/cm3 (15 C)
Solubility in water
5.6 cPs 30 C
1.42308 (16.6 C)
Heat of vaporization
Hazards and Protection.
Store in a cool, dry place. Store in a tightly closed container. Corrosives area. Do not store in aluminum containers.
Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Use only in a chemical fume hood.
Eyes: Wear chemical goggles and a face shield if splashing is possible. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to minimize contact with skin.
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.
Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container. Provide ventilation.
Stable under normal temperatures and pressures.
Strong oxidizing agents.
Hydrogen chloride, carbon monoxide, carbon dioxide, hydrogen gas.
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Substance is nonflammable. Containers may explode in the heat of a fire. Extinguishing media: Substance is nonflammable; use agent most appropriate to extinguish surrounding fire. In case of fire, use water fog, dry chemical, carbon dioxide, or regular foam.
Fire may produce irritating, corrosive and/or toxic gases.
Prolonged or repeated eye contact may cause conjunctivitis. May cause liver and kidney damage. Repeated exposure may cause central nervous system damage.
Harmful if swallowed. May cause respiratory failure. May cause severe digestive tract irritation with abdominal pain, nausea, vomiting and diarrhea.
May cause irritation of the respiratory tract with burning pain in the nose and throat, coughing, wheezing, shortness of breath and pulmonary edema. Inhalation may be fatal as a result of spasm, inflammation, edema of the larynx and bronchi, chemical pneumonitis and pulmonary edema. Toxic if inhaled.
Causes severe skin irritation. Harmful if absorbed through the skin. May be absorbed through the skin.
Causes severe eye irritation. Lachrymator. Causes redness and pain. Lachrymator.
Do NOT induce vomiting and seek IMMEDIATE MEDICAL ADVICE. Call a poison control center. Wash mouth out with water.
Get medical aid immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
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.
Get medical aid immediately. Do NOT allow victim to rub or keep eyes closed. Gently lift eyelids and flush continuously with water.