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Registry of Toxic Effects of Chemical Substances (RTECS)

Potassium bisulfate

RTECS #

TS7200000

CAS #

7646-93-7

Updated

August 2003

Molecular Weight

136.17

Molecular Formula

HO4S·K

Synonyms

Acid potassium sulfate
Monopotassium sulfate
Potassium acid sulfate
Potassium bisulphate
Potassium sulfate
Sal enixum
Sulfuric acid, monopotassium salt

Acute Toxicity Data and References

Route/OrganismDoseEffectReference
oral/rat lethal dose (50 percent kill): 2340 mg/kgMarJV# 29MAR1977

Standards and Regulations

OrganizationStandardReference
Environmental Protection Agency (EPA) Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATIONFEREAC 54,7740,1989
Environmental Protection Agency (EPA) Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) 1998 STATUS OF PESTICIDESCancelledRBREV* -,325,1998

NIOSH Documentation and Surveillance

OrganizationStandardReference
National Occupational Exposure Survey 1983Hazard Code 81948; Number of Industries 9; Total Number of Facilities 258; Number of Occupations 14; Total Number of Employees Exposed 4720; Total Number of Female Employees Exposed 2337
National Occupational Hazard Survey 1974Hazard Code 81948; Number of Industries 6; Total Number of Facilities 875; Number of Occupations 8; Total Number of Employees Exposed 1243

Status in Federal Agencies

OrganizationReference
EPA TSCA Section 8(b) CHEMICAL INVENTORY
EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JANUARY 2001
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