# NIOSH Pocket Guide to Chemical Hazards
Lindane | CAS 58-89-9
C6H6Cl6 | RTECS GV4900000
Synonyms & Trade Names BHC; HCH; gamma-Hexachlorocyclohexane; gamma isomer of 1,2,3,4,5,6-Hexachlorocyclohexane | DOT ID & Guide 2761 151
Exposure Limits | NIOSH REL: TWA 0.5 mg/m3 [skin]
OSHA PEL: TWA 0.5 mg/m3 [skin]
IDLH 50 mg/m3 | Conversion
Physical Description White to yellow, crystalline powder with a slight, musty odor. [pesticide]
MW: 290.8 | BP: 614°F | MLT: 235°F | Sol: 0.001%
VP: 0.00001 mmHg | IP: ? |  | Sp.Gr: 1.85
Fl.P: NA | UEL: NA | LEL: NA |
Noncombustible Solid, but may be dissolved in flammable liquids.
Incompatibilities & Reactivities Corrosive to metals
Measurement Methods NIOSH 5502
Personal Protection & Sanitation Skin: Prevent skin contact Eyes: No recommendation Wash skin: When contaminated Remove: When wet or contaminated Change: Daily Provide: Quick drench | First Aid (See procedures) Eye: Irrigate immediately Skin: Soap wash promptly Breathing: Respiratory support Swallow: Medical attention immediately
Respirator Recommendations NIOSH/OSHA Up to 5 mg/m3: (APF = 10) Any chemical cartridge respirator with organic vapor cartridge(s) in combination with a dust, mist, and fume filter/(APF = 10) Any supplied-air respirator Up to 12.5 mg/m3: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode*/(APF = 25) Any powered, air-purifying respirator with organic vapor cartridge(s) in combination with a dust, mist, and fume filter* Up to 25 mg/m3: (APF = 50) Any chemical cartridge respirator with a full facepiece and organic vapor cartridge(s) in combination with a high-efficiency particulate filter/(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister having a high-efficiency particulate filter/(APF = 50) Any powered, air-purifying respirator with a tight-fitting facepiece and organic vapor cartridge(s) in combination with a high-efficiency particulate filter*/(APF = 50) Any self-contained breathing apparatus with a full facepiece/(APF = 50) Any supplied-air respirator with a full facepiece Up to 50 mg/m3: (APF = 2000) Any supplied-air respirator that has a full facepiece and is 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 having a high-efficiency particulate filter/Any appropriate escape-type, self-contained breathing apparatus
Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms Irritation eyes, skin, nose, throat; headache; nausea; clonic convulsions; respiratory difficulty; cyanosis; aplastic anemia; muscle spasm; in animals: liver, kidney damage
Target Organs Eyes, skin, respiratory system, central nervous system, blood, liver, kidneys
See also: INTRODUCTION