Product Identification

Product Name

D-2-Amino-3-methylbutyric acid

Synonyms

(2R)-2-amino-3-methylbutanoic acid
D-2-Amino-3-methylbutyric acid

CAS

640-68-6

Formula

C5H11NO2

Molecular Weight

117.17

EINECS

211-368-9

RTECS

YV9360000

RTECS Class

Other

Beilstein/Gmelin

1721135

Beilstein Reference

4-04-00-02659

Physical and Chemical Properties

Appearance

White powder.

Solubility in water

56 g/L

Melting Point

86

Boiling Point

217

Vapor Pressure

0.06 (25 C)

pKa/pKb

2.37 (pKa)

Partition Coefficient

-.01

Heat Of Vaporization

Heat Of Combustion

-2927 kJ/mol

Usage

L form is an essential amino acid in humans.

First Aid Measures

Ingestion

Get medical aid. Wash mouth out with water.

Inhalation

Remove from exposure to fresh air immediately.

Skin

Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.

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. Store protected from light.

Handling

Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.

Hazards Identification

Inhalation

May cause respiratory tract irritation. May be harmful if inhaled.

Skin

May cause skin irritation. May be harmful if absorbed through the skin.

Eyes

May cause eye irritation.

Ingestion

May cause irritation of the digestive tract. May be harmful if swallowed.

Exposure Controls/Personal Protection

Personal Protection

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

Flash Point

83

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.

Stability and Reactivity

Stability

Stable under normal shipping and handling conditions.

Incompatibilities

Strong oxidizing agents, strong bases, strong acids.

Decomposition

Nitrogen oxides, carbon monoxide, carbon dioxide.