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) |
FormulaCsOH |
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 |
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| 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 |
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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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