Product Identification

Product Name

1-Butylimidazole

Synonyms

1-Butyl-1H-imidazole
1-Butylimidazole
N-Butyl-1H-imidazole
N-Butylimidazole

CAS

4316-42-1

Formula

C7H12N2

Molecular Weight

124.19

EINECS

224-335-9

Beilstein/Gmelin

109499

Beilstein Reference

5-23-04-00263

EC Class

corrosive

Physical and Chemical Properties

Appearance

Colorless liquid.

Solubility in water

Soluble

Melting Point

72

Boiling Point

235

Vapor Pressure

>109

Density

0.945 g/cm3 (20 C)

pKa/pKb

7.09 (pKb)

Partition Coefficient

1.41

Usage

Selective inhibitor of thromboxane synthetase.

Refractive Index

1.4804 (20 C)

First Aid Measures

Ingestion

Seek medical assistance.

Inhalation

Move victim to fresh air. Apply artificial respiration if victim is not breathing. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; induce artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device. Administer oxygen if breathing is difficult.

Skin

Remove and isolate contaminated clothing and shoes. Immediately flush with running water for at least 20 minutes. For minor skin contact, avoid spreading material on unaffected skin.

Eyes

Immediately flush with running water for at least 20 minutes.

Handling and Storage

Storage

Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.

Handling

All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.

Hazards Identification

Inhalation

Highly toxic, may be fatal if inhaled, swallowed or absorbed through skin. Effects of contact or inhalation may be delayed.

Skin

Contact with molten substance may cause severe burns to skin and eyes. Avoid any skin contact.

Eyes

See Skin.

Hazards

Containers may explode when heated.

EC Risk Phrase

R 20/21/22 36/38

EC Safety Phrase

S 26 36/37/39

UN (DOT)

2690

Exposure Controls/Personal Protection

Personal Protection

Wear appropriate protective gloves, clothing and goggles.

Respirators

Wear positive pressure self-contained breathing apparatus (SCBA).

Exposure Effects

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

Poison Class

2

Fire Fighting Measures

Flash Point

110

Fire Fighting

Small Fires: Dry chemical, carbon dioxide or water spray. Large Fires: Water spray, fog or regular foam.

Fire Potential

Combustible material: may burn but does not ignite readily.

Accidental Release Measures

Small spills/leaks

Do not touch damaged containers or spilled material unless wearing appropriate protective clothing. Stop leak if you can do it without risk. Cover with plastic sheet to prevent spreading. Absorb or cover with dry earth, sand or other non-combustible material and transfer to containers. DO NOT GET WATER INSIDE CONTAINERS.

Stability and Reactivity

Disposal Code

3

Stability

No data.

Combustion Products

Fire may produce irritating, corrosive and/or toxic gases.

Transport Information

UN Number

2690

Hazard Class

6.1

Packing Group

II

HS Code

2933 29 90