Ethyl ether

Synonyms & Trade Names

Diethyl ether, Diethyl oxide, Ether, Ethyl oxide, Solvent ether

CAS No.

60-29-7

RTECS No.

KI5775000

DOT ID & Guide

1155 127

Formula

C₂H₅OC₂H₅

Conversion

1 ppm = 3.03 mg/m³

IDLH

1900 ppm [10%LEL]
See: 60297

Exposure Limits

NIOSH REL

See Appendix D

OSHA PEL

TWA 400 ppm (1200 mg/m³) See Appendix G

Measurement Methods

NIOSH 1610;
OSHA 7
See: NMAM or OSHA Methods

Physical Description

Colorless liquid with a pungent, sweetish odor. [Note: A gas above 94°F.]

Molecular Weight

74.1

Boiling Point

94°F

Freezing Point

-177°F

Solubility

Vapor Pressure

440 mmHg

Ionization Potential

9.53 eV

Specific Gravity

0.71

Flash Point

-49°F

Upper Explosive Limit

36.0%

Lower Explosive Limit

1.9%

Class IA Flammable Liquid: Fl.P. below 73°F and BP below 100°F.

Incompatibilities & Reactivities

Strong oxidizers, halogens, sulfur, sulfur compounds [Note: Tends to form explosive peroxides under influence of air and light.]

Exposure Routes

inhalation, ingestion, skin and/or eye contact

Symptoms

irritation eyes, skin, upper respiratory system; dizziness, drowsiness, headache, excited, narcosis; nausea, vomiting

Target Organs

Eyes, skin, respiratory system, central nervous system

Personal Protection/Sanitation

(See protection codes)
Skin:Prevent skin contact
Eyes:Prevent eye contact
Wash skin:No recommendation
Remove:When wet (flammable)
Change:No recommendation

First Aid

(See procedures)
Eye:Irrigate immediately
Skin:Water wash promptly
Breathing:Respiratory support
Swallow:Medical attention immediately

Respirator Recommendations

OSHA

Up to 1900 ppm:
(APF = 10) Any chemical cartridge respirator with organic vapor cartridge(s)*
(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister
(APF = 25) Any powered, air-purifying respirator with organic vapor cartridge(s)*
(APF = 10) Any supplied-air respirator*
(APF = 50) Any self-contained breathing apparatus with a full facepiece

Emergency or planned entry into unknown concentrations or IDLH conditions:
(APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode
(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus

Escape:
(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister
Any appropriate escape-type, self-contained breathing apparatus

Important additional information about respirator selection

Ethyl ether

NIOSH REL

OSHA PEL

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