NIOSH Publication No. 2005-151:

NIOSH Pocket Guide to Chemical Hazards

September 2005

2-Diethylaminoethanol

CAS
100-37-8

(C2H5)2NCH2CH2OH

RTECS
KK5075000
Synonyms & Trade Names

Diethylaminoethanol; 2-Diethylaminoethyl alcohol; N,N-Diethylethanolamine; Diethyl-(2-hydroxyethyl)amine; 2-Hydroxytriethylamine
DOT ID & Guide
2686 / 132

Exposure
Limits

NIOSH REL: TWA 10 ppm (50 mg/m3) [skin]
OSHA PEL: TWA 10 ppm (50 mg/m3) [skin]
IDLH
100 ppm See: 100378
Conversion
1 ppm = 4.79 mg/m3
Physical Description
Colorless liquid with a nauseating, ammonia-like odor.
MW: 117.2
BP: 325°F
FRZ: -94°F
Sol: Miscible
VP: 1 mmHg
IP: ?

Sp.Gr: 0.89
Fl.P: 126°F
UEL: 11.7%
LEL: 6.7%

Class II Combustible Liquid: Fl.P. at or above 100F and below 140F.
Incompatibilities & Reactivities

Strong oxidizers, strong acids
Measurement Methods
NIOSH 2007
See: NMAM or OSHA Methods
Personal Protection & Sanitation
(See protection)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet or contaminated
Change: No recommendation
Provide: Eyewash (>5%), Quick drench
First Aid
(See procedures)
Eye: Irrigate immediately
Skin: Water flush immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
Respirator Recommendations
NIOSH/OSHA
Up to 100 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
Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms
Irritation eyes, skin, respiratory system; nausea, vomiting
Target Organs
Eyes, skin, respiratory system
See also: INTRODUCTION   See ICSC CARD: 0257