Product Identification

Product Name

(2S,3S)-2-Amino-3-methylpentanoic acid

Synonyms

(2S,3S)-2-Amino-3-methylpentanoic acid
(2S,3S)-a-Amino-b-methylvaleric acid
2-Amino-3-methylvaleric acid

CAS

73-32-5

Formula

C6H13NO2

Molecular Weight

131.18

EINECS

200-798-2

RTECS

NR4705000

RTECS Class

Mutagen

Merck

13,5198

Beilstein/Gmelin

1721792

Beilstein Reference

4-04-00-02775

Physical and Chemical Properties

Appearance

odorless white solid

Solubility in water

Very soluble

Melting Point

279 - 280

pKa/pKb

2.57 (pKa)

Partition Coefficient

-1.68

Usage

One of the 20 amino acids encoded by our genetic code. 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

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

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. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.

Hazards Identification

Ingestion

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

Inhalation

Low hazard for usual industrial handling.

Skin

Low hazard for usual industrial handling.

Eyes

May cause eye irritation.

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

Flash Point

284

Fire Fighting

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguishing media: Substance is noncombustible; use agent most appropriate to extinguish surrounding fire.

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

Disposal Code

31

Stability

Stable under normal temperatures and pressures.

Incompatibilities

Strong oxidizing agents.

Decomposition

Nitrogen oxides, carbon monoxide, carbon dioxide.

Transport Information

HS Code

2922 49 95