Product Identification

Product Name

2-Phenyl-2-imidazoline

Synonyms

2-Phenyl-4,5-dihydro-1H-imidazole
2-Phenyl-4,5-dihydroimidazole
2-Phenylimidazoline
4,5-Dihydro-2-phenyl-1H-imidazole
Curezol 2PZ-L
Vestagon B 31

CAS

936-49-2

Formula

C9H10N2

Molecular Weight

146.21

EINECS

213-313-4

RTECS

NJ4395500

RTECS Class

Drug

Beilstein/Gmelin

119250

Beilstein Reference

5-23-06-00425

Physical and Chemical Properties

Appearance

Light yellow flakes.

Solubility in water

Very soluble

Melting Point

147 - 149

Boiling Point

115 - 121 (1 torr)

pKa/pKb

4.05 (pKb)

First Aid Measures

Ingestion

Never give anything by mouth to an unconscious person. 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 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. Wash clothing before reuse.

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

Dust is irritating to the respiratory tract.

Skin

Causes skin irritation.

Eyes

Causes eye irritation.

Ingestion

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

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

Flash Point

201

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. Provide ventilation.

Stability and Reactivity

Stability

Stable under normal temperatures and pressures.

Incompatibilities

Strong oxidizing agents.

Decomposition

Carbon monoxide, oxides of nitrogen, carbon dioxide.