Cesium iodide
ALDRICH/429384 - AnhydroBeads™, −10 mesh, 99.999% trace metals basis
Synonym: Cesium monoiodide
CAS Number: 7789-17-5
Empirical Formula (Hill Notation): CsI
Molecular Weight: 259.81
EC Number: 232-145-2
MDL Number: MFCD00010962
Linear Formula: CsI
Product Type: Chemical
| assay | 99.999% trace metals basis |
| density | 4.51 g/mL at 25 °C (lit.) |
| form | beads |
| grade | synthesis grade |
| impurities | ≤15.0 ppm Trace Metal Analysis |
| InChI | 1S/Cs.HI/h;1H/q+1;/p-1 |
| InChI key | XQPRBTXUXXVTKB-UHFFFAOYSA |
| mp | 626 °C (lit.) |
| particle size | −10 mesh |
| product line | AnhydroBeads™ |
| Quality Level | 100 ![]() |
| SMILES string | [I-].[Cs+] |
| Application: |
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| Features and Benefits: | Frequently used in devices such as phosphor screens for medical imaging, scintillators, calorimeters and a variety of particle detectors. |
| Legal Information: | AnhydroBeads is a trademark of Sigma-Aldrich Co. LLC |
| Packaging: | 10 g in ampule |
| Symbol | ![]() GHS08,GHS09 |
| Signal word | Warning |
| Hazard statements | H361fd - H400 |
| Precautionary statements | P201 - P202 - P273 - P280 - P308 + P313 - P391 |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38-43 |
| Safety Statements | 22-36/37-45 |
| RIDADR | UN 3077 9 / PGIII |
| WGK Germany | WGK 2 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | 99.999% trace metals basis |
| mp | 626 °C (lit.) |
| Density | 4.51 g/mL at 25 °C (lit.) |
| UNSPSC | 12352302 |



