# NIOSH Pocket Guide to Chemical Hazards
Chloropicrin | CAS 76-06-2
CCl3NO2 | RTECS PB6300000
Synonyms & Trade Names Nitrochloroform, Nitrotrichloromethane, Trichloronitromethane | DOT ID & Guide 1580 154 1583 154 (mixture, n.o.s.) 2929 131 (flammable mixture)
Exposure Limits | NIOSH REL: TWA 0.1 ppm (0.7 mg/m3)
OSHA PEL: TWA 0.1 ppm (0.7 mg/m3)
IDLH 2 ppm | Conversion 1 ppm = 6.72 mg/m3
Physical Description Colorless to faint-yellow, oily liquid with an intensely irritating odor. [pesticide]
MW: 164.4 | BP: 234°F | FRZ: -93°F | Sol: 0.2%
VP: 18 mmHg | IP: ? |  | Sp.Gr: 1.66
Fl.P: NA | UEL: NA | LEL: NA |
Noncombustible Liquid
Incompatibilities & Reactivities Strong oxidizers [Note: The material may explode when heated under confinement.]
Measurement Methods None available
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/OSHA Up to 2 ppm: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode£/(APF = 25) Any powered, air-purifying respirator with organic vapor cartridge(s)£/(APF = 50) Any chemical cartridge respirator with a full facepiece and 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 = 50) Any self-contained breathing apparatus with a full facepiece/(APF = 50) Any supplied-air respirator 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, ingestion, skin and/or eye contact
Symptoms Irritation eyes, skin, respiratory system; lacrimation (discharge of tears); cough, pulmonary edema; nausea, vomiting
Target Organs Eyes, skin, respiratory system
See also: INTRODUCTION