Product Identification

Product Name

Ethambutol

Synonyms

(3-Oxo-1-butynyl)benzene
1-Phenyl-1-butyn-3-one
4-Phenyl-3-butyne-2-one
Acetylphenylacetylene
Methyl phenylethynyl ketone
Phenylethynyl methyl ketone

CAS

1817-57-8

Formula

C10H8O

Molecular Weight

144.18

EINECS

217-327-1

RTECS

ES0890000

RTECS Class

Drug

Beilstein/Gmelin

878583

Beilstein Reference

4-07-00-01175

Physical and Chemical Properties

Solubility in water

Insoluble

Melting Point

4 - 4.5

Boiling Point

253

Vapor Pressure

0.02 (25 C)

Density

1.025 g/cm3 (20 C)

Heat Of Vaporization

49.0 kJ/mol

Refractive Index

1.5738 (20 C)

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.

Eyes

Assure adequate flushing of the eyes by separating the eyelids with fingers.

Handling and Storage

Storage

Keep tightly closed. Store at 2-8 C

Exposure Controls/Personal Protection

Personal Protection

Wear appropriate government approved respirator, chemical-resistant gloves, safety goggles, other protective clothing. Faceshield (8-inch minimum).

Exposure Effects

Irritant. Causes severe irritation. Severe lachrymator.

Fire Fighting Measures

Flash Point

95

Fire Fighting

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

Accidental Release Measures

Small spills/leaks

Cover with dry lime or soda ash, pick up, keep in a closed container, and hold for waste disposal. Ventilate area and wash spill site after material pickup is complete.

Stability and Reactivity

Incompatibilities

Strong oxidizing agents, Strong bases, Strong reducing agents.

Decomposition

Carbon monoxide, Carbon dioxide.

Hazards Identification

Hazards

Emits toxic fumes under fire conditions.

EC Safety Phrase

26 27 37/39