Cesium

Modify Date: 2024-01-06 09:36:18

Cesium Structure
Cesium structure
Common Name Cesium
CAS Number 7440-46-2 Molecular Weight 132.90500
Density 1.873 g/mL at 25 °C(lit.) Boiling Point 705 °C(lit.)
Molecular Formula Cs Melting Point 28.5 °C(lit.)
MSDS Chinese USA Flash Point N/A
Symbol GHS02 GHS05
GHS02, GHS05
Signal Word Danger

 Names

Name Cesium
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.873 g/mL at 25 °C(lit.)
Boiling Point 705 °C(lit.)
Melting Point 28.5 °C(lit.)
Molecular Formula Cs
Molecular Weight 132.90500
Exact Mass 132.90500
Vapour Pressure 1 mm Hg ( 279 °C)
Stability Flammable solid; highly flammable in powder form. Moisture-sensitive. Incompatible with chlorine, phosphorus, water.
Water Solubility H2O: soluble

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
FK9225000
CHEMICAL NAME :
Cesium
CAS REGISTRY NUMBER :
7440-46-2
LAST UPDATED :
199710
DATA ITEMS CITED :
4
MOLECULAR FORMULA :
Cs
MOLECULAR WEIGHT :
132.91
WISWESSER LINE NOTATION :
.CS

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1700 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85IXA4 "Structure et Activite Pharmacodyanmique des Medicaments du Systeme Nerveux Vegetatif," Bovet, D., and F. Bovet-Nitti, New York, S. Karger, 1948 Volume(issue)/page/year: -,704,1948 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X4471 No. of Facilities: 1342 (estimated) No. of Industries: 14 No. of Occupations: 20 No. of Employees: 8114 (estimated) No. of Female Employees: 1276 (estimated)

 Safety Information

Symbol GHS02 GHS05
GHS02, GHS05
Signal Word Danger
Hazard Statements H260-H314
Supplemental HS Reacts violently with water.
Precautionary Statements P223-P231 + P232-P280-P305 + P351 + P338-P370 + P378-P422
Personal Protective Equipment Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
Hazard Codes F:Highlyflammable;C:Corrosive;
Risk Phrases R14/15;R34
Safety Phrases S26-S45-S43-S36/37/39-S16-S8
RIDADR UN 3264 8/PG 3
WGK Germany 3
RTECS FK9225000
Packaging Group I
Hazard Class 4.3

 Synthetic Route

~50%

Cesium Structure

Cesium

CAS#:7440-46-2

Literature: Gmelin Handbook: Cs: MVol.1, 2, page 13 - 16

~87%

Cesium Structure

Cesium

CAS#:7440-46-2

Literature: Gmelin Handbook: Cs: MVol.1, 2, page 13 - 16

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Cesium Structure

Cesium

CAS#:7440-46-2

Literature: Journal of the less-common metals, , vol. 115, # 2 p. 307 - 313

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Cesium Structure

Cesium

CAS#:7440-46-2

Literature: AT128310 , ; AU1797131 , ; NL27019 , ; EP323718 , ; EP323766 , ;

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Cesium Structure

Cesium

CAS#:7440-46-2

Literature: Annales de Chimie (Cachan, France), , vol. 5, p. 232

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Cesium Structure

Cesium

CAS#:7440-46-2

Literature: Journal of Chemical Physics, , vol. 74, # 2 p. 1053 - 1066

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Cesium Structure

Cesium

CAS#:7440-46-2

Literature: Liebigs Annalen der Chemie, , vol. 211, p. 112 - 112 Cs: MVol.1, 3, page 16 - 18

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Cesium Structure

Cesium

CAS#:7440-46-2

Literature: Z. Anorg. Chem., , vol. 22, p. 158 - 158

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Cesium Structure

Cesium

CAS#:7440-46-2

Literature: Zeitschrift fur Anorganische und Allgemeine Chemie, , vol. 622, # 5 p. 881 - 884

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 Synonyms

cesio
Caesium
MFCD00134037
UNII-1KSV9V4Y4I
UN1407
EINECS 231-155-4