Lindane

Synonyms & Trade Names

BHC, HCH, ã-Hexachlorocyclohexane, gamma isomer of 1,2,3,4,5,6-Hexachlorocyclohexane

CAS No.

58-89-9

RTECS No.

GV4900000

DOT ID & Guide

2761 151

Formula

C₆H₆Cl₆

Conversion

IDLH

50 mg/m³
See: 58899

Exposure Limits

NIOSH REL

TWA 0.5 mg/m³ [skin]

OSHA PEL

TWA 0.5 mg/m³ [skin]

Measurement Methods

NIOSH 5502
See: NMAM or OSHA Methods

Physical Description

White to yellow, crystalline powder with a slight, musty odor. [pesticide]

Molecular Weight

290.8

Boiling Point

614°F

Melting Point

235°F

Solubility

0.001%

Vapor Pressure

0.00001 mmHg

Ionization Potential

Specific Gravity

1.85

Flash Point

Upper Explosive Limit

Lower Explosive Limit

Noncombustible Solid, but may be dissolved in flammable liquids.

Incompatibilities & Reactivities

Corrosive to metals

Exposure Routes

inhalation, skin absorption, ingestion, skin and/or eye contact

Symptoms

irritation eyes, skin, nose, throat; headache; nausea; clonic convulsions; resp difficulty; cyanosis; aplastic anemia; muscle spasm; In Animals: liver, kidney damage

Target Organs

Eyes, skin, respiratory system, central nervous system, blood, liver, kidneys

Personal Protection/Sanitation

(See protection codes)
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 air-purifying half-mask respirator with organic vapor cartridge(s) in combination with an N95, R95, or P95 filter. The following filters may also be used: N99, R99, P99, N100, R100, P100.
Click here for information on selection of N, R, or P filters.
(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 an organic vapor cartridge in combination with a high-efficiency particulate filter.*

Up to 25 mg/m³:
(APF = 50) Any air-purifying full-facepiece respirator equipped with organic vapor cartridge(s) in combination with an N100, R100, or P100 filter.
Click here for information on selection of N, R, or P filters.
(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister having an N100, R100, or P100 filter.
Click here for information on selection of N, R, or P filters.
(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 an N100, R100, or P100 filter.
Click here for information on selection of N, R, or P filters.
Any appropriate escape-type, self-contained breathing apparatus

Important additional information about respirator selection

Lindane

NIOSH REL

OSHA PEL

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