# NIOSH Pocket Guide to Chemical Hazards
2-Ethoxyethanol | CAS 110-80-5
C2H5OCH2CH2OH | RTECS KK8050000
Synonyms & Trade Names Cellosolve®, EGEE, Ethylene glycol monoethyl ether | DOT ID & Guide 1171 127
Exposure Limits | NIOSH REL: TWA 0.5 ppm (1.8 mg/m3) [skin]
OSHA PEL: TWA 200 ppm (740 mg/m3) [skin]
IDLH 500 ppm | Conversion 1 ppm = 3.69 mg/m3
Physical Description Colorless liquid with a sweet, pleasant, ether-like odor.
MW: 90.1 | BP: 275°F | FRZ: -130°F | Sol: Miscible
VP: 4 mmHg | IP: ? |  | Sp.Gr: 0.93
Fl.P: 110°F | UEL(200°F): 15.6% | LEL(200°F): 1.7% |
Class II Combustible Liquid: Fl.P. at or above 100°F and below 140°F.
Incompatibilities & Reactivities Strong oxidizers
Measurement Methods NIOSH 1403; OSHA 53, 79
Personal Protection & Sanitation Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated Remove: When wet or contaminated Change: No recommendation | First Aid (See procedures) Eye: Irrigate immediately Skin: Water flush promptly Breathing: Respiratory support Swallow: Medical attention immediately
Respirator Recommendations NIOSH Up to 5 ppm: (APF = 10) Any supplied-air respirator* Up to 12.5 ppm: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode* Up to 25 ppm: (APF = 50) Any self-contained breathing apparatus with a full facepiece/(APF = 50) Any supplied-air respirator with a full facepiece Up to 500 ppm: (APF = 1000) Any supplied-air respirator operated in a pressure-demand or other positive-pressure mode* 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 In animals: irritation eyes, respiratory system; blood changes; liver, kidney, lung damage; reproductive, teratogenic effects
Target Organs Eyes, respiratory system, blood, kidneys, liver, reproductive system, hematopoietic system
See also: INTRODUCTION