D-Aspartic acid

  • Aspartic acid, D
  • (-)-Aspartic acid
  • (R)-Aspartic acid
Formula
C4H7NO4
Structure

Registry Numbers and Inventories.
CAS
1783-96-6
EC (EINECS/ELINCS)
217-234-6
S 22 24/25
RTECS
CI9097500
RTECS class
Other
Merck
13,845
Beilstein/Gmelin
1723529
Beilstein Reference
4-04-00-02998
New Zealand
Listed
Japan ENCS (MITI)
Listed

Properties.
Formula
C4H7NO4
Formula mass
133.10
Melting point, °C
251
Solubility in water
Very soluble
pKa/pKb
2.28 (pKa)
Partition coefficient, pKow
-1.67
Heat of combustion
-1589 kJ/mol

Hazards and Protection.
Storage
Store in a cool, dry place. Store in a tightly closed container.
Handling
Wash thoroughly after handling. Use with adequate ventilation.
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.
Small spills/leaks
Vacuum or sweep up material and place into a suitable disposal container. Avoid generating dusty conditions.
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Nitrogen oxides, carbon monoxide, carbon dioxide.

Fire.
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.

Health.
Exposure effects
   Ingestion
The toxicological properties of this substance have not been fully investigated. When administered to animals, aspartic acid caused demonstrable injury to the retina.
   Inhalation
Low hazard for usual industrial handling.
   Skin
Low hazard for usual industrial handling.
   Eyes
May cause eye irritation.

First aid
 
   Ingestion
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid. Wash mouth out with water.
   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 if irritation develops or persists. Flush skin with plenty of soap and water.
   Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Transport.