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Cesium hydroxide

Synonyms & Trade Names
Cesium hydrate, Cesium hydroxide dimer
CAS No.
21351-79-1
RTECS No.
FK9800000
DOT ID & Guide
2682 157
2681 154 (solution)
Formula
CsOH
Conversion
IDLH
N.D.
See: IDLH INDEX
Exposure Limits
NIOSH REL
: TWA 2 mg/m3
OSHA PEL
†: none
Measurement Methods

None available
See: NMAM or OSHA Methods
Physical Description
Colorless or yellowish, crystalline solid. [Note: Hygroscopic (i.e., absorbs moisture from the air).]
MW:
149.9
BP:
?		 MLT: 522°F Sol(59°F): 395%
VP:
0 mmHg (approx)
IP:
NA
Sp.Gr:
3.68
Fl.P:
NA
UEL:
NA
LEL:
NA
Noncombustible Solid
Incompatibilities & Reactivities
Water, acids, CO2, metals (e.g., Al, Pb, Sn, Zn), oxygen [Note: CsOH is a strong base, causing the generation of considerable heat in contact with water or moisture.]
Exposure Routes
inhalation, ingestion, skin and/or eye contact
Symptoms
irritation eyes, skin, upper respiratory system; eye, skin burns
Target Organs
Eyes, skin, respiratory system
Personal Protection/Sanitation
(See protection codes)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet or contaminated
Change: Daily
Provide: Eyewash, Quick drench
First Aid
(See procedures)
Eye: Irrigate immediately
Skin: Water flush immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
Respirator Recommendations

Not available.

Important additional information about respirator selection

See also: INTRODUCTION   See ICSC CARD: 1592
 

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