Product Identification

Product Name

D-Aminosuccinic acid

Synonyms

(-)-Aspartic acid
(2R)-2-Aminobutanedioic acid
(R)-Aspartic acid
Aspartic acid, D

CAS

1783-96-6

Formula

C4H7NO4

Molecular Weight

133.1

EINECS

217-234-6

RTECS

CI9097500

RTECS Class

Other

Merck

13,845

Beilstein/Gmelin

1723529

Beilstein Reference

4-04-00-02998

Physical and Chemical Properties

Solubility in water

Very soluble

Melting Point

251

pKa/pKb

2.28 (pKa)

Partition Coefficient

-1.67

Heat Of Combustion

-1589 kJ/mol

First Aid Measures

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.

Handling and Storage

Storage

Store in a cool, dry place. Store in a tightly closed container.

Handling

Wash thoroughly after handling. Use with adequate ventilation.

Hazards Identification

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.

EC Safety Phrase

S 22 24/25

Exposure Controls/Personal Protection

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.

Fire Fighting Measures

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.

Accidental Release Measures

Small spills/leaks

Vacuum or sweep up material and place into a suitable disposal container. Avoid generating dusty conditions.

Stability and Reactivity

Stability

Stable under normal temperatures and pressures.

Incompatibilities

Strong oxidizing agents.

Decomposition

Nitrogen oxides, carbon monoxide, carbon dioxide.