Product Identification

Product Name

4-Hydroxy-2,5-dihydrofuran-2-one

Synonyms

4-Hydroxy-5H-furan-2-one
5-Hydroxyfuran-3-one
b-Tetronic acid

CAS

541-57-1

Formula

C4H4O3

Molecular Weight

100.07

EINECS

208-785-3

Beilstein/Gmelin

1305637

Physical and Chemical Properties

Appearance

Light yellow-beige solid.

Melting Point

140

Boiling Point

263

pKa/pKb

3.77 (pKa)

Partition Coefficient

-1.12

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. 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

Use with adequate ventilation. Avoid contact with skin and eyes. Avoid ingestion and inhalation.

Hazards Identification

Ingestion

Low hazard for usual industrial handling.

Inhalation

May cause respiratory tract irritation.

Skin

Non-irritating to the skin.

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

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.

Decomposition

Carbon monoxide, carbon dioxide.