Registry of Toxic Effects of Chemical Substances (RTECS)
Potassium hydroxide
RTECS #
TT2100000CAS #
1310-58-3Updated
September 201Molecular Weight
56.11Molecular Formula
HKOSynonyms
Caustic potashHydroxyde de potassium (French)
Kaliumhydroxid (German)
Kaliumhydroxyde (Dutch)
LYE
Potassa
Potasse caustique (French)
Potassio (idrossido di) (Italian)
Potassium (hydroxyde de) (French)
Potassium hydrate
Potassium hydroxide (ACGIH)
Skin and Eye Irritation and References
Route/Organism | Dose | Effect | Reference |
---|---|---|---|
eye /rabbit | 1 mg/24H rinse | moderate | TXAPA9 32,239,1975 |
skin /guinea pig | 50 mg/24H | severe | TXAPA9 31,481,1975 |
skin /human | 50 mg/24H | severe | TXAPA9 31,481,1975 |
skin /rabbit | 50 mg/24H | severe | TXAPA9 31,481,1975 |
Mutation Data and Reference
System Test | Route/Organism/Tissue | Dose | Reference |
---|---|---|---|
Cytogenetic Analysis | Ascites tumor/rat | 1800 mg/kg | GANNA2 54,155,1963 |
Cytogenetic Analysis | ovary/hamster | 12 mmol/L | MUREAV 225,55,1989 |
Acute Toxicity Data and References
Route/Organism | Dose | Effect | Reference |
---|---|---|---|
oral/rat | lethal dose (50 percent kill): 273 mg/kg | FAATDF 8,97,1987 |
Reviews
Organization | Standard | Reference |
---|---|---|
American Conference of Governmental Industrial Hygienists (ACGIH) | Threshold Limit Value-ceiling concentration 2 mg/m3 | DTLVS* TLV/BEI,2013 |
TOXICOLOGY REVIEW | ARTODN 39,299,1978 | |
TOXICOLOGY REVIEW | HUTOX* -,671,1996 | |
TOXICOLOGY REVIEW | HUTOX* -,683,1996 |
Standards and Regulations
Organization | Standard | Reference |
---|---|---|
Environmental Protection Agency (EPA) Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION | FEREAC 54,7740,1989 | |
Environmental Protection Agency (EPA) Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) 1998 STATUS OF PESTICIDES | Cancelled | RBREV* -,326,1998 |
Occupational Exposure Limit IN ARGENTINA, BULGARIA, COLOMBIA, JORDAN check ACGIH TLV; | ||
Occupational Exposure Limit IN SINGAPORE, VIETNAM check ACGIH TLV | ||
Occupational Exposure Limit-AUSTRALIA | ceiling concentration 2 mg/m3, JUL2008 | |
Occupational Exposure Limit-AUSTRIA | MAK-TMW 2 mg/m3, inhal, 2007 | |
Occupational Exposure Limit-BELGIUM | short term exposure limit 2 mg/m3, MAR2002 | |
Occupational Exposure Limit-DENMARK | ceiling concentration 2 mg/m3, MAY2011 | |
Occupational Exposure Limit-FINLAND | ceiling concentration 2 mg/m3, NOV2011 | |
Occupational Exposure Limit-FRANCE | VLE 2 mg/m3, FEB2006 | |
Occupational Exposure Limit-HUNGARY | time-weighted average 2 mg/m3, short term exposure limit 2 mg/m3, SEP2000 | |
Occupational Exposure Limit-ICELAND | short term exposure limit 2 mg/m3, NOV2011 | |
Occupational Exposure Limit-JAPAN | ceiling concentration 2 mg/m3, MAY2012 | |
Occupational Exposure Limit-KOREA | ceiling concentration 2 mg/m3, 2006 | |
Occupational Exposure Limit-NEW ZEALAND | ceiling concentration 2 mg/m3, JAN2002 | |
Occupational Exposure Limit-NORWAY | time-weighted average 2 mg/m3, JAN1999 | |
Occupational Exposure Limit-PERU | short term exposure limit 2 mg/m3, JUL2005 | |
Occupational Exposure Limit-SWEDEN | time-weighted average 1 mg/m3;short term exposure limit 2 mg/m3, (inhal. dust), JUN2005 | |
Occupational Exposure Limit-SWITZERLAND | MAK-week 2 mg/m3, inhal, JAN2011 | |
Occupational Exposure Limit-THE NETHERLANDS | MAC-C 2 mg/m3, 2003 | |
Occupational Exposure Limit-UNITED KINGDOM | short term exposure limit 2 mg/m3, OCT2007 |
NIOSH Documentation and Surveillance
Organization | Standard | Reference |
---|---|---|
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO POTASSIUM HYDROXIDE-air | ceiling concentration 2 mg/m3 | NIOSH* DHHS #92-100,1992 |
National Occupational Exposure Survey 1983 | Hazard Code X3783; Number of Industries 11; Total Number of Facilities 543; Number of Occupations 16; Total Number of Employees Exposed 6722; Total Number of Female Employees Exposed 2651 | |
National Occupational Exposure Survey 1983 | Hazard Code 60440; Number of Industries 346; Total Number of Facilities 74278; Number of Occupations 221; Total Number of Employees Exposed 1959889; Total Number of Female Employees Exposed 797390 | |
National Occupational Hazard Survey 1974 | Hazard Code 60440; Number of Industries 340; Total Number of Facilities 80620; Number of Occupations 181; Total Number of Employees Exposed 1081553 |
Status in Federal Agencies
- Page last reviewed:March 7, 2014
- Page last updated:February 6, 2017
- Content source:
- National Institute for Occupational Safety and Health (NIOSH) Education and Information Division