# NIOSH Pocket Guide to Chemical Hazards
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 | 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: ? | LEL: ? |
Class II Combustible Liquid: Fl.P. at or above 100°F and below 140°F.
Incompatibilities & Reactivities Strong oxidizers, strong acids
Measurement Methods NIOSH 2007
Personal Protection & Sanitation 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
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