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Substance Name: Cesium, elemental
RN: 7440-46-2
UNII: 1KSV9V4Y4I
InChIKey: TVFDJXOCXUVLDH-UHFFFAOYSA-N
Note
- A member of the alkali metals. It has an atomic symbol Cs, atomic number 50, and atomic weight 132.91. Cesium has many industrial applications, including the construction of atomic clocks based on its atomic vibrational frequency.
Molecular Formula
- Cs
Molecular Weight
- 132.91
- All
- Links to Resources
- Names & Synonyms
- Registry Numbers
- Structure Descriptors
- Toxicity
- Physical Properties
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Names and Synonyms
Name of Substance
- Cesium
- Cesium, elemental
MeSH Heading
- Cesium
Synonyms
- Cesium
- Cesium-133
- EINECS 231-155-4
- HSDB 7040
- UNII-1KSV9V4Y4I
Systematic Names
- Caesium
- Cesium
Superlist Names
- Cesium or caesium
- Cesium or caesium [UN1407] [Dangerous when wet]
- UN1407
Registry Numbers
CAS Registry Number
- 7440-46-2
FDA UNII
- 1KSV9V4Y4I
Other Registry Numbers
- 1093650-97-5
- 24347-12-4
System Generated Number
- 0007440462
Structure Descriptors
InChI
InChI=1S/CsInChIKey
TVFDJXOCXUVLDH-UHFFFAOYSA-NSmiles
[Cs]Toxicity
Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
---|---|---|---|---|---|
mouse | LD50 | intraperitoneal | 1700mg/kg (1700mg/kg) | "Structure et Activite Pharmacodyanmique des Medicaments du Systeme Nerveux Vegetatif," Bovet, D., and F. Bovet-Nitti, New York, S. Karger, 1948Vol. -, Pg. 704, 1948. |
Physical Properties
Physical Property | Value | Units | Temp (deg C) | Source |
---|---|---|---|---|
Melting Point | 28.5 | deg C | EXP | |
Boiling Point | 705 | deg C | EXP | |
log P (octanol-water) | 0.230 | (none) | EST | |
Water Solubility | 5.71E+04 | mg/L | 25 | EST |
Vapor Pressure | 4.24E-09 | mm Hg | 25 | EST |
Atmospheric OH Rate Constant | 0.0 | cm3/molecule-sec | 25 | EST |
Physical property data is provided to ChemIDplus by SRC, Inc.