Description

Cesium Iodide (CsI) is a high-purity inorganic compound composed of cesium and iodine, widely utilized in scientific research and industrial applications. With the molecular formula CsI and CAS number 7789-17-5, this crystalline solid exhibits excellent scintillation properties, making it ideal for radiation detection and imaging technologies. Its high density and optical clarity also render it valuable in X-ray and gamma-ray spectroscopy. Our premium-grade Cesium Iodide is rigorously tested for purity, ensuring optimal performance in demanding environments. Available in various forms, including powders, crystals, and pellets, to suit diverse experimental and manufacturing needs.

Properties

• CAS Number: 7789-17-5
• Complexity: 2
• IUPAC Name: cesium;iodide
• InChI: InChI=1S/Cs.HI/h;1H/q+1;/p-1
• InChI Key: XQPRBTXUXXVTKB-UHFFFAOYSA-M
• Exact Mass: 259.80992
• Molecular Formula: CsI
• Molecular Weight: 259.8099
• SMILES: [I-].[Cs+]
• Monoisotopic Mass: 259.80992
• Physical Description: Deliquescent solid; White hygroscopic solid; Odorless;
• Synonyms: CESIUM IODIDE, Caesium iodide, Cesium iodide (CsI), Cesium monoiodide, Dicesium diiodide, Tricesium triiodide, Cesium iodide (Cs2I2), Cesium iodide (Cs3I3), UNII-U1P3GVC56L, EINECS 232-145-2, U1P3GVC56L, NSC 15199, NSC-15199, CESIUM IODIDE [MI], DTXSID3064859, EC 232-145-2, Caesium iodide (CsI), DTXCID9048063, 7789-17-5, Cesiumiodide, cesium;iodide, MFCD00010962, cesium,iodide, Cesium iodide, ultra dry, WLN: CS I, SCHEMBL36717, SCHEMBL27440053, NSC15199, AKOS015833256, AKOS015902666, CS-W020900, FC53781, HY-W040160, SB66393, SY023491, Cesium iodide, 99.9% Trace metals grade, C2205, NS00080503, Q50703, A839266

Application

Cesium Iodide is extensively used as a scintillator material in radiation detectors, particularly for X-ray and gamma-ray spectroscopy. It serves as a key component in medical imaging devices, such as CT scanners and fluoroscopy systems, due to its high stopping power and light yield. Additionally, CsI is employed in infrared optics and as a precursor in the synthesis of other cesium compounds.

Safety and Hazards

GHS Hazard Statements

• H315 (48.4%): Causes skin irritation [Warning Skin corrosion/irritation]
• H317 (42.9%): May cause an allergic skin reaction [Warning Sensitization, Skin]
• H319 (48.4%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (47.3%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
• H400 (18.7%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]

Precautionary Statements

• P261, P264, P264+P265, P271, P272, P273, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P333+P317, P337+P317, P362+P364, P391, P403+P233, P405, and P501

Hazard Classes and Categories

• Skin Irrit. 2 (48.4%)
• Skin Sens. 1 (42.9%)
• Eye Irrit. 2 (48.4%)
• STOT SE 3 (47.3%)
• Aquatic Acute 1 (18.7%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.