Cesium chloride

Modify Date: 2025-08-21 19:26:09

Cesium chloride Structure
Cesium chloride structure
 Common Name Cesium chloride
CAS Number 7647-17-8 Molecular Weight 168.359
Density 3.983 Boiling Point 1290 °C
Molecular Formula CsCl Melting Point 645 °C(lit.)
MSDS Chinese USA Flash Point 1303°C
Symbol GHS08
GHS08		 Signal Word Warning

 Use of Cesium chloride


Cesium chloride is a blocker of potassium channel. Cesium chloride prevents the decrease of Na+ transport produced by Alloxan[1][2]. Cesium chloride has induced cardiac arrhythmias, including torsade de pointes in animal models[3].

 Names

Name caesium chloride
Synonym More Synonyms

 Cesium chloride Biological Activity

Description Cesium chloride is a blocker of potassium channel. Cesium chloride prevents the decrease of Na+ transport produced by Alloxan[1][2]. Cesium chloride has induced cardiac arrhythmias, including torsade de pointes in animal models[3].
Related Catalog
In Vitro Cesium chloride (CsCl) decreases the increment of membrane potential, the elevation of intracellular calcium and the upregulation of NOS, ET-1 and VEGF expressions, which are induced by Acrolein[3].
In Vivo Cesium Chloride (12 mg/100 g body weight, daily for 30 days; i.p.; male Wistar rats- BOO model) could significantly weaken the effect of XJT (traditional Chinese medicine) on not only the expression of these potassium channels but also the bladder weight, urodynamics, and oxidative stress[1].
References

[1]. Sun J, Shen W, et al. A Chinese Medicine Formula "Xian-Jia-Tang" for Treating Bladder Outlet Obstruction by Improving Urodynamics and Inhibiting Oxidative Stress through Potassium Channels. Evid Based Complement Alternat Med. 2017;2017:8147258.

[2]. Soto C, et al. Alloxan decreases intracellular potassium content of the isolated frog skin epithelium. Comp Biochem Physiol C Toxicol Pharmacol. 2001;130(1):19-27.

[3]. Ouyang JS, Li YP, Li CY, et al. Mitochondrial ROS-K+ channel signaling pathway regulated secretion of human pulmonary artery endothelial cells. Free Radic Res. 2012;46(12):1437-1445.

[4]. O'Brien CE, et al. Cesium-induced QT-interval prolongation in an adolescent. Pharmacotherapy. 2008;28(8):1059-1065.

 Chemical & Physical Properties

Density 3.983
Boiling Point 1290 °C
Melting Point 645 °C(lit.)
Molecular Formula CsCl
Molecular Weight 168.359
Flash Point 1303°C
Exact Mass 167.874298
Index of Refraction 1.6418
Stability Stable. Deliquescent. Incompatible with strong oxidizing agents, strong acids. Protect from moisture.
Water Solubility 1860 g/L (20 ºC)

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
FK9625000
CHEMICAL NAME :
Cesium chloride
CAS REGISTRY NUMBER :
7647-17-8
LAST UPDATED :
199701
DATA ITEMS CITED :
15
MOLECULAR FORMULA :
Cl-Cs
MOLECULAR WEIGHT :
168.36
WISWESSER LINE NOTATION :
CS G

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
2600 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
2306 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1460 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
910 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
1 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
706 mg/kg
SEX/DURATION :
female 1-21 day(s) pre-mating lactating female 21 day(s) post-birth
TOXIC EFFECTS :
Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight gain) Reproductive - Effects on Newborn - biochemical and metabolic Reproductive - Effects on Newborn - physical
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
262 gm/kg
SEX/DURATION :
female 1-21 day(s) after conception lactating female 21 day(s) post-birth
TOXIC EFFECTS :
Reproductive - Effects on Newborn - biochemical and metabolic Reproductive - Effects on Newborn - physical
TYPE OF TEST :
Mutation test systems - not otherwise specified

MUTATION DATA

TEST SYSTEM :
Rodent - mouse
DOSE/DURATION :
125 mg/kg
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 244,295,1990 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X3874 No. of Facilities: 189 (estimated) No. of Industries: 3 No. of Occupations: 6 No. of Employees: 3353 (estimated) No. of Female Employees: 1792 (estimated)

 Safety Information

Symbol GHS08
GHS08
Signal Word Warning
Hazard Statements H361
Precautionary Statements P280
Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes Xn:Harmful
Risk Phrases R68
Safety Phrases S36/37-S26
RIDADR 2923
WGK Germany 2
RTECS FK9625000
HS Code 28273980

 Customs

HS Code 28273980

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 Synonyms

EINECS 231-600-2
cesium,chloride
MFCD00010955
Cesium chloride
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