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Registry of Toxic Effects of Chemical Substances (RTECS)

Potassium

RTECS #

TS6460000

CAS #

7440-09-7

Updated

July 2011

Molecular Weight

39.10

Molecular Formula

K

Synonyms

Acute Toxicity Data and References

Route/OrganismDoseEffectReference
intraperitoneal/mouse lethal dose (50 percent kill): 700 mg/kg85IXA4 -,704,1948
Tank with water/Daphnia lethal concentration (50 percent kill): 97000 µg/L/48HTIVIEQ 31,125,1995

Other Multiple Dose Data and References

Route/OrganismDoseEffectReference
oral/rat lowest published toxic dose: 169.2 mg/kg/180D- continuousCardiac: Changes in heart weight

Gastrointestinal: Other changes

Blood: Changes in cell count (unspecified)
VCVN1* -,36,1988
oral/rat lowest published toxic dose: 157.5 mg/kg/12W- continuousBiochemical: Enzyme inhibition, induction, or change in blood or tissue levels: Dehydrogenases

Biochemical: Metabolism (intermediary): Effect on mitochondrial function

Biochemical: Neurotransmitters or modulators (putative): Catecholamine levels in CNS
VCVN1* -,36,1988

Reviews

OrganizationStandardReference
TOXICOLOGY REVIEWENTOX* -,520,2005
TOXICOLOGY REVIEWHTOPA* 1,595,2002

NIOSH Documentation and Surveillance

OrganizationStandardReference
National Occupational Exposure Survey 1983Hazard Code 60315; Number of Industries 25; Total Number of Facilities 1202; Number of Occupations 32; Total Number of Employees Exposed 39061; Total Number of Female Employees Exposed 19402
National Occupational Hazard Survey 1974Hazard Code 60315; Number of Industries 12; Total Number of Facilities 443; Number of Occupations 18; Total Number of Employees Exposed 6148

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EPA TSCA Section 8(d) unpublished health/safety studies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
OSHA ANALYTICAL METHOD #ID121
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