Cesium hydroxide
RTECS #
FK9800000
CAS #
Updated
September 2013
Molecular Weight
149.92
Molecular Formula
CsHO
Synonyms
Cesium hydrate
Cesium hydroxide (ACGIH)
Cesium hydroxide dimer
Cesium hydroxide (ACGIH)
Cesium hydroxide dimer
Skin and Eye Irritation and References
Route/Organism | Dose | Effect | Reference |
---|---|---|---|
eye /rabbit | 5 mg/5M rinse | severe | TXAPA9 32,239,1975 |
skin /rabbit | 5 mg/24H | mild | TXAPA9 32,239,1975 |
Acute Toxicity Data and References
Route/Organism | Dose | Effect | Reference |
---|---|---|---|
eye/rabbit | lowest published toxic concentration: 0.4 pph | VCVN1* -,59,1998 | |
eye/rabbit | lowest published toxic concentration: 0.4 pph | Eye: Conjunctiva irritation Eye: Corneal damage Eye: Other eye effects | VCVN1* -,59,1998 |
inhalation/human | lethal concentration (50 percent kill): 5.02 mg/m3 | Skin: After topical application: Primary irritation | VCVN1* -,58,1998 |
inhalation/mammal (species unspecified) | lethal concentration (50 percent kill): 20.5 mg/m3 | Eye: Conjunctiva irritation Lung, Thorax, or Respiration: Cough | VCVN1* -,58,1998 |
intraperitoneal/rat | lethal dose (50 percent kill): 100 mg/kg | AIHOAX 1,637,1950 | |
oral/mouse | lethal dose (50 percent kill): 800 mg/kg | Behavioral: Tetany | 20PKA3 -,-,1967 |
oral/mouse | lethal dose (50 percent kill): 759 mg/kg | VCVN1* -,58,1998 | |
oral/rat | lethal dose (50 percent kill): 570 mg/kg | VCVN1* -,58,1998 | |
oral/rat | lethal dose (50 percent kill): 570 mg/kg | Behavioral: Somnolence (general depressed activity) Behavioral: Muscle contraction or spasticity Lung, Thorax, or Respiration: Other changes | GTPZAB 21(1),29,1977 |
Other Multiple Dose Data and References
Route/Organism | Dose | Effect | Reference |
---|---|---|---|
inhalation/rat | lowest published toxic concentration: 10110 µg/m3/17W- intermittent | Brain and Coverings: Recordings from specific areas of CNS Cardiac: Other changes Lung, Thorax, or Respiration: Other changes | GTPZAB 21(1),29,1977 |
inhalation/rat | lowest published toxic concentration: 10 mg/m3/16W- continuous | Blood: Pigmented or nucleated red blood cells Blood: Changes in serum composition (e.g. TP, bilirubin, cholesterol) Blood: Changes in leukocyte (WBC) count | VCVN1* -,59,1998 |
Reviews
Organization | Standard | Reference |
---|---|---|
American Conference of Governmental Industrial Hygienists (ACGIH) | Threshold Limit Value-time-weighted average 2 mg/m3 | DTLVS* TLV/BEI,2013 |
Standards and Regulations
NIOSH Documentation and Surveillance
Organization | Standard | Reference |
---|---|---|
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO CESIUM HYDROXIDE-air | 10H time-weighted average 2.0 mg/m3 | NIOSH* DHHS #95-121,1995 |
Status in Federal Agencies
Organization | Reference |
---|---|
EPA TSCA Section 8(b) CHEMICAL INVENTORY |
Page last reviewed: November 16, 2018
Content
source: National Institute for Occupational Safety and Health