Cesium hydroxide(Cs(OH)) cas no:21351-79-1
Synonyms: Cesiumhydroxide (6CI,8CI); NSC 121987
NameCesium hydroxide(Cs(OH))
CAS21351-79-1
SynonymsCesiumhydroxide (6CI,8CI); NSC 121987
EINECS(EC#)244-344-1
Molecular FormulaCsH O
Molecular Weight149.9128
Appearancecolourless liquid /white solid
storage tempKeep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.
Sensitive Air Sensitive
Globally Harmonized System of Classification adn Labelling of Chemicals(GHS)
Hazardclass8
Hazard C: Corrosive;
Risk R22;R35
Safety
Poison by intraperitoneal route. Moderately toxic by ingestion. A powerful caustic. A corrosive skin and eye irritant. See also CESIUM.
Hazard Codes:
C
Risk Statements:
R22:Harmful if swallowed.
R35:Causes severe burns.
R34:Causes burns.
Safety Statements:
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S37/39:Wear suitable gloves and eye/face protection.
S27:Take off immediately all contaminated clothing.
S28:After contact with skin, wash immediately with plenty of soap-suds.
RIDADR: UN 2682 8/PG 2
WGK Germany: 3
F:
F 3: Hygroscopic.
HazardClass: 8
PackingGroup: II
| Organism |
Test Type |
Route |
Reported Dose (Normalized Dose) |
Effect |
Source |
| mouse |
LD50 |
oral |
800mg/kg (800mg/kg) |
behavioral: tetany |
"Novye Dannye Po Toksikologii Redkikh Metalov Ikh Soedinenii," New Data on the Toxicology of Rare Metals and Their Compounds, Izrael'son, Z.I., ed., Moscow, Izdatel'stvo "Meditsina," 196Vol. -, Pg. -, 1967. |
| rat |
LD50 |
intraperitoneal |
100mg/kg (100mg/kg) |
|
Archives of Industrial Hygiene and Occupational Medicine. Vol. 1, Pg. 637, 1950. |
| rat |
LD50 |
oral |
570mg/kg (570mg/kg) |
behavioral: somnolence (general depressed activity) behavioral: muscle contraction or spasticity) lungs, thorax, or respiration: other changes
|
Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 21(1), Pg. 29, 1977. |
