Product Identification

Product Name

(2S,3R)-2-Amino-3-hydroxybutyric acid

Synonyms

(2S,3R)-2-Amino-3-hydroxybutanoic acid
2-Amino-3-hydroxybutanoic acid, [R-(R*,S*)]

CAS

72-19-5

Formula

C4H9NO3

Molecular Weight

119.12

EINECS

200-774-1

RTECS

XO8590000

RTECS Class

Mutagen

Merck

12,9522

Beilstein/Gmelin

1721646

Beilstein Reference

4-04-00-03171

Physical and Chemical Properties

Appearance

White powder.

Solubility in water

90 g/L

Melting Point

136

Boiling Point

260

Density

1.464 g/cm3

pKa/pKb

2.09(at 25℃) (pKa)

Partition Coefficient

-1.43

Usage

An essential amino acid.

First Aid Measures

Ingestion

If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid.

Inhalation

Remove from exposure to fresh air immediately. Get medical aid if cough or other symptoms appear.

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 tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

Handling

Wash thoroughly after handling. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid breathing dust, vapor, mist, or gas. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.

Hazards Identification

Inhalation

Low hazard for usual industrial handling.

Skin

May cause skin irritation. Low hazard for usual industrial handling.

Eyes

May cause eye irritation.

Ingestion

May cause irritation of the digestive tract. Low hazard for usual industrial handling.

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.

Exposure Effects

The toxological properties of this substance have not been fully investigated.

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

Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Avoid generating dusty conditions. Provide ventilation.

Stability and Reactivity

Incompatibilities

Avoid contact with strong oxidizing agents.

Stability

Stable under normal shipping and handling conditions.

Decomposition

Nitrogen oxides, carbon monoxide, carbon dioxide.

Transport Information

HS Code

2922 50 00