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Registry of Toxic Effects of Chemical Substances (RTECS)

1-Pentanethiol

RTECS #

SA3150000

CAS #

110-66-7

Updated

January 1997

Molecular Weight

104.23

Molecular Formula

C5H12S

Synonyms

Amyl hydrosulfide
Amyl mercaptan
Amyl sulfhydrate
Amyl thioalcohol
Mercaptan amylique (French)
n-Amyl mercaptan
Pentalarm
Pentyl mercaptan

Acute Toxicity Data and References

Route/OrganismDoseEffectReference
inhalation/rat Lowest published lethal concentration: 2000 ppm/4HJIHTAB 31,343,1949
subcutaneous/mouse lethal dose (50 percent kill): >100 mg/kgNATUAS 174,737,1954

NIOSH Documentation and Surveillance

OrganizationStandardReference
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO 1-PENTANETHIOL-airceiling concentration 0.5 ppm/15MNIOSH* DHHS #92-100,1992
National Occupational Exposure Survey 1983Hazard Code X4383; Number of Industries 1; Total Number of Facilities 7; Number of Occupations 1; Total Number of Employees Exposed 28

Status in Federal Agencies

OrganizationReference
EPA TSCA Section 8(b) CHEMICAL INVENTORY

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