Diethyl pentylmalonate

  • Pentylmalonic acid diethyl ester
  • Propanedioic acid, pentyl-, diethyl ester
  • Diethyl 2-pentylmalonate
  • Diethyl amylmalonate
Formula
C12H22O4
Structure
Description
Clear, colorless liquid

Registry Numbers and Inventories.
CAS
6065-59-4
EC (EINECS/ELINCS)
227-997-7
23 24/25
Beilstein/Gmelin
609224
Japan ENCS (MITI)
Listed

Properties.
Formula
C12H22O4
Formula mass
230.30
Melting point, °C
21
Boiling point, °C
254 - 255
Vapor pressure, mmHg
0.01 (25 C)
Critical temperature
439
Critical pressure
17.84
Density
0.963 g/cm3 (20 C)
Solubility in water
0.37 g/L (25 C)
Refractive index
1.4253 (20<sup>o</sup>C)
pKa/pKb
13.23 (pKa)
Partition coefficient, pKow
3.18
Heat of vaporization
50.11 kJ/mol

Hazards and Protection.
Storage
Keep tightly closed. Store in a cool dry place.
Protection
Compatible chemical-resistant gloves. Chemical safety goggles. Protective clothing.
Respirators
Use respirators and components tested and approved under appropriate government standards such as NIOSH (US) or CEN (EU). Respiratory protection is not required. Where protection is desired, use multi-purpose combination (US) or type ABEK (EN 14387) respirator cartridges.
Small spills/leaks
Absorb on sand or vermiculite and place in closed containers for disposal. Ventilate area and wash spill site after material pickup is complete.
Incompatibilities
Strong oxidizing agents.
Decomposition
Oxides of carbon.

Fire.
Flash Point,°C
116
Fire fighting
Extinguish with water spray, carbon dioxide, dry chemical powder or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
Hazards
Emits toxic fumes under fire conditions.

Health.
Exposure effects
May be harmful by inhalation, ingestion, or skin absorption.
   Inhalation
Material may be irritating to mucous membranes and upper respiratory tract.
   Skin
May cause irritation.
   Eyes
May cause irritation.

First aid
 
   Ingestion
If swallowed, wash out mouth with water provided person is conscious. Call a physician.
   Inhalation
If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.
   Skin
In case of contact, immediately wash skin with soap and copious amounts of water. Remove contaminated clothing and shoes. Call a physician.
   Eyes
In case of contact with eyes, flush with copious amounts of water for at least 15 minutes. Assure adequate flushing by separating the eyelids with fingers. Call a physician.

Transport.