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Registry of Toxic Effects of Chemical Substances (RTECS)

Naphthenic acid, cobalt salt

RTECS #

QK8925000

CAS #

61789-51-3

Updated

April 2012

Molecular Weight

N/R

Molecular Formula

N/R

Synonyms

Cobalt naphthenate
Naftolite
Naphtenate de cobalt (French)

Skin and Eye Irritation and References

Route/OrganismDoseEffectReference
eye /rabbit 10 mg/24H mildTSCAT* OTS 215503

Acute Toxicity Data and References

Route/OrganismDoseEffectReference
oral/rat lethal dose (50 percent kill): 3900 mg/kgAMIHAB 12,477,1955

Reviews

OrganizationStandardReference
International Agency for Research on Cancer (IARC)Cancer Review:Animal Inadequate EvidenceIMEMDT 52,363,1991
International Agency for Research on Cancer (IARC)Cancer Review:Human Inadequate EvidenceIMEMDT 52,363,1991
International Agency for Research on Cancer (IARC)Cancer Review:Group 2BIMEMDT 52,363,1991
TOXICOLOGY REVIEWHBTME* ,511,2007

Standards and Regulations

OrganizationStandardReference
Occupational Exposure Limit-FINLANDtime-weighted average 0.02 mg(Co)/m3, NOV2011

NIOSH Documentation and Surveillance

OrganizationStandardReference
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO COBALT METAL, dust and fume-air10H time-weighted average 0.05 mg/m3NIOSH* DHHS #92-100,1992
National Occupational Exposure Survey 1983Hazard Code X9188; Number of Industries 41; Total Number of Facilities 4121; Number of Occupations 45; Total Number of Employees Exposed 48001; Total Number of Female Employees Exposed 3402

Status in Federal Agencies

OrganizationReference
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EPA TSCA Section 8(d) unpublished health/safety studies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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