# NIOSH Pocket Guide to Chemical Hazards
Carbon disulfide | CAS 75-15-0
CS2 | RTECS FF6650000
Synonyms & Trade Names Carbon bisulfide | DOT ID & Guide 1131 131
Exposure Limits | NIOSH REL: TWA 1 ppm (3 mg/m3) ST 10 ppm (30 mg/m3) [skin]
OSHA PEL†: TWA 20 ppm C 30 ppm 100 ppm (30-minute maximum peak)
IDLH 500 ppm | Conversion 1 ppm = 3.11 mg/m3
Physical Description Colorless to faint-yellow liquid with a sweet ether-like odor. [Note: Reagent grades are foul smelling.]
MW: 76.1 | BP: 116°F | FRZ: -169°F | Sol: 0.3%
VP: 297 mmHg | IP: 10.08 eV |  | Sp.Gr: 1.26
Fl.P: -22°F | UEL: 50.0% | LEL: 1.3% |
Class IB Flammable Liquid: Fl.P. below 73°F and BP at or above 100°F.
Incompatibilities & Reactivities Strong oxidizers; chemically-active metals such as sodium, potassium & zinc; azides; rust; halogens; amines [Note: Vapors may be ignited by contact with ordinary light bulb.]
Measurement Methods NIOSH 1600
Personal Protection & Sanitation 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 immediately Breathing: Respiratory support Swallow: Medical attention immediately
Respirator Recommendations NIOSH Up to 10 ppm: (APF = 10) Any chemical cartridge respirator with organic vapor cartridge(s)/(APF = 10) Any supplied-air respirator Up to 25 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) Up to 50 ppm: (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 powered, air-purifying respirator with a tight-fitting facepiece and organic vapor cartridge(s)/(APF = 50) Any self-contained breathing apparatus with a full facepiece/(APF = 50) Any supplied-air respirator with a full facepiece Up to 500 ppm: (APF = 1000) Any supplied-air respirator operated in a pressure-demand or other positive-pressure mode 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, ingestion, skin and/or eye contact
Symptoms Dizziness, headache, poor sleep, lassitude (weakness, exhaustion), anxiety, anorexia, weight loss; psychosis; polyneuropathy; Parkinson-like syndrome; ocular changes; coronary heart disease; gastritis; kidney, liver injury; eye, skin burns; dermatitis; reproductive effects
Target Organs central nervous system, peripheral nervous system, cardiovascular system, eyes, kidneys, liver, skin, reproductive system
See also: INTRODUCTION