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| CAS No.: | 7789-17-5 |
|---|---|
| Name: | Cesium iodide |
| Molecular Structure: | |
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| Formula: | CsI |
| Molecular Weight: | 259.81 |
| Synonyms: | Cesiumiodide;Cesium monoiodide;NSC 15199; |
| EINECS: | 232-145-2 |
| Density: | 4.51 g/mL |
| Melting Point: | 626 °C |
| Boiling Point: | 127 °C at 760 mmHg |
| Flash Point: | 1280 ºC |
| Solubility: | 74 g/100 mL (20 ºC) |
| Appearance: | white crystalline powder |
| Hazard Symbols: |
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| Risk Codes: | 36/37/38-42/43 |
| Safety: | 22-36/37-45 |
| Transport Information: | N/A |
| PSA: | 0.00000 |
| LogP: | -2.99600 |
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Specification
The Cesium iodide, with the CAS registry number 7789-17-5, is also known as Cesiumiodide. It belongs to the product categories of Cesium Salts; Cesium Metal and Ceramic Science; Crystal Grade Inorganics; Metal and Ceramic Science; Salts; Alphabetic; C; CA - CGAnalytical Standards; MS Markers Physical Properties; MS Standards; Single Compounds; Spectroscopy; Electronic Materials; Materials Science; Micro/Nanoelectronics; Metal Halide. Its EINECS registry number is 232-145-2. This chemical's molecular formula is CsI and molecular weight is 259.81. What's more, its IUPAC name is the same with its product name. It is an ionic compound often used as the input phosphor of an x-ray image intensifier tube found in fluoroscopy equipment. This chemical can be prepared by cesium carbonate with hydroiodic acid. This reaction needs reagent H2S. It can be used in Fourier Transform Infrared (FT-IR) spectrometers as a beamsplitter. CsI has a wider transmission range than the more common potassium bromide beamsplitters, extending usefulness into the far infrared.
Physical properties about Cesium iodide are: (1)ACD/LogP: 0.00; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 0; (4)ACD/LogD (pH 7.4): 0; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)#H bond acceptors: 0; (8)#H bond donors: 0; (9)#Freely Rotating Bonds: 0; (10)Polar Surface Area: 0 Å2; (11)Enthalpy of Vaporization: 19.76 kJ/mol; (12)Boiling Point: 127 °C at 760 mmHg; (13)Vapour Pressure: 13.8 mmHg at 25 °C.
When you are dealing with this chemical, you should be very careful. This chemical is inflammation to the skin, eyes and respiratory systemmay. What's more, it may cause sensitisation by inhalation and skin contacting. Therefore, you should wear suitable protective clothing and gloves. If you feel unwell seek medical advice immediately.
You can still convert the following datas into molecular structure:
(1) SMILES: [Cs+].[I-]
(2) InChI: InChI=1S/Cs.HI/h;1H/q+1;/p-1
(3) InChIKey: XQPRBTXUXXVTKB-UHFFFAOYSA-M
The toxicity data is as follows:
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| rat | LD50 | intraperitoneal | 1400mg/kg (1400mg/kg) | Archives of Industrial Hygiene and Occupational Medicine. Vol. 1, Pg. 637, 1950. | |
| rat | LD50 | oral | 2386mg/kg (2386mg/kg) | National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda.Vol. TR-74, Pg. 1, 1972. |