NIOSH Pocket Guide to Chemical Hazards


CAS 79-24-3


RTECS KI5600000
Synonyms & Trade Names
DOT ID & Guide
2842 129


NIOSH REL: TWA 100 ppm (310 mg/m3)
OSHA PEL: TWA 100 ppm (310 mg/m3)
IDLH 1000 ppm See: 79243 Conversion 1 ppm = 3.07 mg/m3
Physical Description
Colorless, oily liquid with a mild, fruity odor.
MW: 75.1
BP: 237°F
FRZ: -130°F
Sol: 5%
VP(77°F): 21 mmHg
IP: 10.88 eV

Sp.Gr: 1.05
Fl.P: 82°F
UEL: ?
LEL: 3.4%

Class IC Flammable Liquid: Fl.P. at or above 73F and below 100F.
Incompatibilities & Reactivities
Amines; strong acids, alkalis & oxidizers; hydrocarbons; combustibles; metal oxides
Measurement Methods
NIOSH 2526
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 (flammable)
Change: No recommendation

First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap wash promptly
Breathing: Respiratory support
Swallow: Medical attention immediately
Important additional information about respirator selection
Respirator Recommendations NIOSH/OSHA
Up to 1000 ppm:
(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: Any appropriate escape-type, self-contained breathing apparatus
Exposure Routes inhalation, ingestion, skin and/or eye contact
Symptoms Dermatitis; in animals: lacrimation (discharge of tears); dyspnea (breathing difficulty), pulmonary rales, edema; liver, kidney injury; narcosis
Target Organs Skin, respiratory system, central nervous system, kidneys, liver
See also: INTRODUCTION   See ICSC CARD: 0817