CAS 7440-46-2|Cesium
Introduction：Basic information about CAS 7440-46-2|Cesium, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| 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 | ChineseUSA | Flash Point | / |
| Symbol | 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) |
| InChIKey | TVFDJXOCXUVLDH-UHFFFAOYSA-N |
| SMILES | [Cs] |
| Stability | Flammable solid; highly flammable in powder form. Moisture-sensitive. Incompatible with chlorine, phosphorus, water. |
| Water Solubility | H2O: soluble |
Toxicological Information
CHEMICAL IDENTIFICATION |
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 |
|---|---|
| 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 |
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Synonyms
| cesio |
| Caesium |
| MFCD00134037 |
| UNII-1KSV9V4Y4I |
| UN1407 |
| EINECS 231-155-4 |
