Cesium iodide
SIAL/21004 - analytical standard, suitable for mass spectrometry (MS)
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
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 21004-1G
| application(s) | cleaning products cosmetics flavors and fragrances food and beverages personal care |
| assay | 99.999% |
| density | 4.51 g/mL at 25 °C (lit.) |
| format | neat |
| grade | analytical standard |
| InChI | 1S/Cs.HI/h;1H/q+1;/p-1 |
| InChI key | XQPRBTXUXXVTKB-UHFFFAOYSA |
| mp | 626 °C (lit.) |
| Quality Level | 100  |
| SMILES string | [I-].[Cs+] |
| technique(s) | mass spectrometry (MS): suitable |
| Application: | Cesium iodide has been used as calibration standard during native electrospray ionization time-of-flight mass spectrometry (ESI-TOF MS) analysis for measuring protein samples, from protein aggregates. |
| Application: | Suitable as standard for electrospray ionisation MS (ESI) |
| Features and Benefits: | Frequently used in devices such as phosphor screens for medical imaging, scintillators, calorimeters and a variety of particle detectors. |
| General description: | Cesium iodide is a simple ionic salt. It has the capacity to undergo second order transformation from cubic B2 structure to body-centered tetragonal structure at low pressures. It is mostly used as input screens of X-ray image intensifiers. |
| 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% |
| mp | 626 °C (lit.) |
| Density | 4.51 g/mL at 25 °C (lit.) |
| UNSPSC | 41116107 |