Ethyl diethylmalonate

  • Diethyl 2,2-diethylmalonate
  • Diethyl 3,3-pentanedicarboxylate
  • Diethylmalonic acid diethyl ester
  • Malonic acid, diethyl-, diethyl ester
  • Propanedioic acid, diethyl-, diethyl ester
Formula
C11H20O4
Structure
Description
Clear yellow liquid. Pungent odor.
Uses
Production of barbiturates.

Registry Numbers and Inventories.
CAS
77-25-8
EC (EINECS/ELINCS)
201-016-2
UN (DOT)
2646
Merck
12,3835
Beilstein/Gmelin
511413
Beilstein Reference
4-02-00-02026
Canada DSL/NDSL
NDSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C11H20O4
Formula mass
216.27
Melting point, °C
-10
Boiling point, °C
230
Vapor density (air=1)
9.42
Density
0.99167 g/cm3 (15 C)
Solubility in water
Insoluble
Viscosity
5.6 cPs 30 C
Refractive index
1.42308 (16.6 C)
Heat of vaporization
69.1 kJ/mol

Hazards and Protection.
Storage
Store in a cool, dry place. Store in a tightly closed container. Corrosives area. Do not store in aluminum containers.
Handling
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.
Protection
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.
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.
Small spills/leaks
Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container. Provide ventilation.
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Hydrogen chloride, carbon monoxide, carbon dioxide, hydrogen gas.

Fire.
Flash Point,°C
94
Fire fighting
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 potential
Non-Combustible
Combustion products
Fire may produce irritating, corrosive and/or toxic gases.

Health.
Exposure effects
Prolonged or repeated eye contact may cause conjunctivitis. May cause liver and kidney damage. Repeated exposure may cause central nervous system damage.
   Ingestion
Harmful if swallowed. May cause respiratory failure. May cause severe digestive tract irritation with abdominal pain, nausea, vomiting and diarrhea.
   Inhalation
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.
   Skin
Causes severe skin irritation. Harmful if absorbed through the skin. May be absorbed through the skin.
   Eyes
Causes severe eye irritation. Lachrymator. Causes redness and pain. Lachrymator.

First aid
 
   Ingestion
Do NOT induce vomiting and seek IMMEDIATE MEDICAL ADVICE. Call a poison control center. Wash mouth out with water.
   Inhalation
Get medical aid immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
   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.
   Eyes
Get medical aid immediately. Do NOT allow victim to rub or keep eyes closed. Gently lift eyelids and flush continuously with water.

Transport.
UN number
2646
Response guide
Hazard class
6.1
Packing Group
I