Product Identification

Product Name

Methyl (5-propoxy-1H-benzimidazol-2-yl)carbamate

Synonyms

5-Propoxy-2-(carbomethoxyamino)benzimidazole
5-Propoxy-2-benzimidazolecarbamic acid methyl ester
Methyl (5-n-propoxy-2-benzimidazolyl)carbamate
Methyl (5-propoxy-1H-benzimidazol-2-yl)carbamate
Methyl 5-propoxybenzimidazole-2-carbamate
Oxybendazole

CAS

20559-55-1

Formula

C12H15N3O3

Molecular Weight

249.27

EINECS

243-877-7

RTECS

FD0835000

RTECS Class

Drug; Mutagen; Reproductive Effector

Merck

12,7070

Beilstein/Gmelin

666885

Beilstein Reference

6-25

Physical and Chemical Properties

Solubility in water

Insoluble

Melting Point

230

Boiling Point

459

pKa/pKb

8.01 (pKb)

Partition Coefficient

1.98

Usage

Anthelminthic.

First Aid Measures

Ingestion

If swallowed, wash out mouth with water provided person is conscious. Call a physician.

Inhalation

If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.

Skin

In case of contact, immediately wash skin with soap and copious amounts of water.

Eyes

In case of contact, immediately flush eyes with copious amounts of water for at least 15 minutes.

Handling and Storage

Storage

Store at 2 - 8 C.

Hazards Identification

Skin

May cause skin irritation.

Eyes

May cause eye irritation.

Hazards

Emits toxic fumes under fire conditions.

Exposure Controls/Personal Protection

Personal Protection

Wear appropriate government approved respirator, chemical-resistant gloves, safety goggles, other protective clothing.

Exposure Effects

Avoid contact and inhalation.

Fire Fighting Measures

Fire Fighting

Extinguish using Water spray. Carbon dioxide, dry chemical powder, or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.

Accidental Release Measures

Small spills/leaks

Sweep up, place in a bag and hold for waste disposal. Avoid raising dust. Ventilate area and wash spill site after material pickup is complete.

Stability and Reactivity

Stability

Stable at normal temperatures and pressures.

Incompatibilities

Strong oxidizing agents.

Decomposition

Carbon monoxide, Carbon dioxide, Nitrogen oxides.