NIOSH Publication No. 2005-151:

NIOSH Pocket Guide to Chemical Hazards

September 2005

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.)

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 See: 76062
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
See: NMAM or OSHA Methods
Personal Protection & Sanitation
(See protection)
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
Important additional information about respirator selection
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   See ICSC CARD: 0750   See MEDICAL TESTS: 0049