# NIOSH Pocket Guide to Chemical Hazards
Ethylene dibromide | CAS 106-93-4
BrCH2CH2Br | RTECS KH9275000
Synonyms & Trade Names 1,2-Dibromoethane; Ethylene bromide; Glycol dibromide | DOT ID & Guide 1605 154
Exposure Limits | NIOSH REL: Ca TWA 0.045 ppm C 0.13 ppm [15-minute] See Appendix A
OSHA PEL: TWA 20 ppm C 30 ppm 50 ppm [5-minute maximum peak]
IDLH Ca [100 ppm] | Conversion 1 ppm = 7.69 mg/m3
Physical Description Colorless liquid or solid (below 50°F) with a sweet odor. [fumigant]
MW: 187.9 | BP: 268°F | FRZ: 50°F | Sol: 0.4%
VP: 12 mmHg | IP: 9.45 eV |  | Sp.Gr: 2.17
Fl.P: NA | UEL: NA | LEL: NA |
Noncombustible Liquid
Incompatibilities & Reactivities Chemically-active metals such as sodium, potassium, calcium, hot aluminum & magnesium; liquid ammonia; strong oxidizers
Measurement Methods NIOSH 1008; OSHA 2
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, Quick drench | First Aid (See procedures) Eye: Irrigate immediately Skin: Soap wash immediately Breathing: Respiratory support Swallow: Medical attention immediately
Respirator Recommendations NIOSH At concentrations above the NIOSH REL, or where there is no REL, at any detectable concentration: (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; dermatitis with vesiculation; liver, heart, spleen, kidney damage; reproductive effects; [potential occupational carcinogen]
Target Organs Eyes, skin, respiratory system, liver, kidneys, reproductive system Cancer Site [in animals: skin & lung tumors]
See also: INTRODUCTION