Product Identification

Product Name

1-Phenylimidazole

Synonyms

1-Phenylimidazole
N-Phenylimidazole

CAS

7164-98-9

Formula

C9H8N2

Molecular Weight

144.16999999999999

Beilstein/Gmelin

112356

Beilstein Reference

5-23-04-00267

Physical and Chemical Properties

Appearance

Yellow liquid.

Solubility in water

Slightly soluble

Melting Point

13

Boiling Point

276

Vapor Pressure

0.008 (25 C)

Density

1.1397 g/cm3

pKa/pKb

8.09 (pKb)

Partition Coefficient

1.98

Heat Of Vaporization

48.4 kJ/mol

Heat Of Combustion

-4865 kJ/mol

Refractive Index

1.6025 (25 C)

First Aid Measures

Ingestion

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.

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.

Handling

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

Hazards Identification

Ingestion

Harmful if swallowed.

Inhalation

Harmful if inhaled.

Skin

Harmful if absorbed through the skin.

Eyes

May cause eye irritation.

EC Risk Phrase

R 36/38

EC Safety Phrase

S 26 36

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

121

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

Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container.

Stability and Reactivity

Stability

No data.

Incompatibilities

Strong oxidizing agents.

Decomposition

Carbon monoxide, oxides of nitrogen, carbon dioxide.