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Registry of Toxic Effects of Chemical Substances (RTECS)

Naphthalene, pentachloro-

RTECS #

QK0300000

CAS #

1321-64-8

Updated

September 2013

Molecular Weight

300.38

Molecular Formula

C10H3Cl5

Synonyms

Halowax 1013
Pentachloronaphthalene
Pentachloronaphthalene (ACGIH:OSHA)

Other Multiple Dose Data and References

Route/OrganismDoseEffectReference
oral/domestic animal lowest published toxic dose: 22 mg/kg/10D- intermittentEye: Lacrimation

Behavioral: Somnolence (general depressed activity)

Skin: After systemic exposure: Dermatitis, other
VEMEAR 48,135,1953

Reviews

OrganizationStandardReference
American Conference of Governmental Industrial Hygienists (ACGIH)Threshold Limit Value-time-weighted average 0.5 mg/m3 (skin)DTLVS* TLV/BEI,2013

Standards and Regulations

OrganizationStandardReference
Mine Safety and Health Administration (MSHA) STANDARD-airtime-weighted average 0.5 mg/m3 (skin)DTLVS* 3,198,1971
Occupational Exposure Limit IN ARGENTINA, BULGARIA, COLOMBIA, JORDAN check ACGIH TLV;
Occupational Exposure Limit IN SINGAPORE, VIETNAM check ACGIH TLV
Occupational Exposure Limit-AUSTRALIAtime-weighted average 0.5 mg/m3, JUL2008
Occupational Exposure Limit-AUSTRIAMAK-TMW 0.5 mg/m3;KZW 2.5 mg/m3, inhal, skin, 2007
Occupational Exposure Limit-BELGIUMtime-weighted average 0.5 mg/m3, Skin, MAR2002
Occupational Exposure Limit-DENMARKtime-weighted average 0.5 mg/m3, skin, MAY2011
Occupational Exposure Limit-FRANCEVME 0.5 mg/m3, FEB2006
Occupational Exposure Limit-HUNGARYtime-weighted average 0.5 mg/m3, short term exposure limit 2 mg/m3, Skin, SEP2000
Occupational Exposure Limit-ICELANDtime-weighted average 0.5 mg/m3, skin, NOV2011
Occupational Exposure Limit-KOREAtime-weighted average 0.5 mg/m3, 2006
Occupational Exposure Limit-MEXICOtime-weighted average 0.5 mg/m3;short term exposure limit 2 mg/m3, 2004
Occupational Exposure Limit-NEW ZEALANDtime-weighted average 0.5 mg/m3, JAN2002
Occupational Exposure Limit-NORWAYtime-weighted average 0.5 mg/m3, JAN1999
Occupational Exposure Limit-PERUtime-weighted average 0,5 mg/m3, JUL2005
Occupational Exposure Limit-POLANDMAC(time-weighted average) 0.5 mg/m3, MAC(short term exposure limit) 1.5 mg/m3, JAN1999
Occupational Exposure Limit-SWITZERLANDMAK-week 0.5 mg/m3, inhal, skin, JAN2011
Occupational Exposure Limit-THE NETHERLANDSMAC-TGG 0.5 mg/m3, 2003
Occupational Exposure Limit-TURKEYtime-weighted average 0.5 mg/m3, Skin, JAN1993
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Construction)8H time-weighted average 0.5 mg/m3 (skin)CFRGBR 29,1926.55,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Federal Contractors)8H time-weighted average 0.5 mg/m3 (skin)CFRGBR 41,50-204.50,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (General Industry)8H time-weighted average 0.5 mg/m3 (skin)CFRGBR 29,1910.1000,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Shipyards)8H time-weighted average 0.5 mg/m3 (skin)CFRGBR 29,1915.1000,1993

NIOSH Documentation and Surveillance

OrganizationStandardReference
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO PENTACHLORONAPHTHALENE-air10H time-weighted average 0.5 mg/m3 (Sk)NIOSH* DHHS #92-100,1992

Status in Federal Agencies

OrganizationReference
EPA TSCA 8(a) PRELIMINARY ASSESSMENT INFORMATION, FINAL RULEFEREAC 47,26992,82
EPA TSCA Section 8(b) CHEMICAL INVENTORY
EPA TSCA Section 8(d) unpublished health/safety studies
EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JANUARY 2001
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