# NIOSH Pocket Guide to Chemical Hazards
Ethyl chloride | CAS 75-00-3
CH3CH2Cl | RTECS KH7525000
Synonyms & Trade Names Chloroethane, Hydrochloric ether, Monochloroethane, Muriatic ether | DOT ID & Guide 1037 115
Exposure Limits | NIOSH REL: Handle with caution in the workplace. See Appendix C (Chloroethanes)
OSHA PEL: TWA 1000 ppm (2600 mg/m3)
IDLH 3800 ppm [10%LEL] | Conversion 1 ppm = 2.64 mg/m3
Physical Description Colorless gas or liquid (below 54°F) with a pungent, ether-like odor. [Note: Shipped as a liquefied compressed gas.]
MW: 64.5 | BP: 54°F | FRZ: -218°F | Sol: 0.6%
VP: 1000 mmHg | IP: 10.97 eV | RGasD: 2.23 | Sp.Gr: 0.92 (Liquid at 32°F)
Fl.P: NA (Gas) -58°F (Liquid) | UEL: 15.4% | LEL: 3.8% |
Flammable Gas Class IA Flammable Liquid
Incompatibilities & Reactivities Chemically-active metals such as sodium, potassium, calcium, powdered aluminum, zinc & magnesium; oxidizers; water or steam [Note: Reacts with water to form hydrochloric acid.]
Measurement Methods NIOSH 2519
Personal Protection & Sanitation Skin: Prevent skin contact (liquid) Eyes: Prevent eye contact (liquid) Wash skin: No recommendation Remove: When wet (flammable) Change: No recommendation | First Aid (See procedures) Eye: Irrigate immediately (liquid) Skin: Water flush promptly (liquid) Breathing: Respiratory support Swallow: Medical attention immediately (liquid)
Respirator Recommendations OSHA Up to 3800 ppm: (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 (liquid), ingestion (liquid), skin and/or eye contact
Symptoms Incoordination, inebriation; abdominal cramps; cardiac arrhythmias, cardiac arrest; liver, kidney damage
Target Organs Liver, kidneys, respiratory system, cardiovascular system, central nervous system
See also: INTRODUCTION