NIOSH Pocket Guide to Chemical Hazards


CAS 594-72-9


RTECS KI1050000
Synonyms & Trade Names
DOT ID & Guide
2650 153


NIOSH REL: TWA 2 ppm (10 mg/m3)
OSHA PEL: C 10 ppm (60 mg/m3)
IDLH 25 ppm See: 594729 Conversion 1 ppm = 5.89 mg/m3
Physical Description
Colorless liquid with an unpleasant odor. [fumigant]
MW: 143.9
BP: 255°F
FRZ: ?
Sol: 0.3%
VP: 15 mmHg
IP: ?

Sp.Gr: 1.43
Fl.P: 136°F
UEL: ?
LEL: ?

Class II Combustible Liquid: Fl.P. at or above 100F and below 140F.
Incompatibilities & Reactivities
Strong oxidizers [Note: Corrosive to iron in presence of moisture.]
Measurement Methods
NIOSH 1601; OSHA 7
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

First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap wash immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
Important additional information about respirator selection
Respirator Recommendations NIOSH
Up to 20 ppm:
(APF = 10) Any supplied-air respirator
Up to 25 ppm:
(APF = 25) Any supplied-air respirator operated in a continuous-flow mode
(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
(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 In animals: irritation eyes, skin; liver, heart, kidney damage; pulmonary edema, hemorrhage
Target Organs Eyes, skin, respiratory system, liver, kidneys, cardiovascular system