Cesium fluoride
Cesium fluoride
CAS: 13400-13-0
Molecular Formula: CsF
Cesium fluoride - Names and Identifiers
| Name | Cesium fluoride |
| Synonyms | LT-E004 Cesium fluoride caesium fluoride CsF, CesiuM fluoride Anti-Laminin B2t chain Anti-CSF 140 kDa subunit Anti-Ladsin 140 kDa subunit Anti-Laminin subunit gamma-2 Anti-Laminin 5 gamma 2 subunit |
| CAS | 13400-13-0 |
| EINECS | 236-487-3 |
| InChI | InChI=1/Cs.FH/h;1H/q+1;/p-1 |
| InChIKey | XJHCXCQVJFPJIK-UHFFFAOYSA-M |
Cesium fluoride - Physico-chemical Properties
| Molecular Formula | CsF |
| Molar Mass | 151.9 |
| Density | 4.115g/mLat 25°C(lit.) |
| Melting Point | 682°C(lit.) |
| Boling Point | 1251 °C |
| Flash Point | 1251°C |
| Water Solubility | 369 g/100 mL (18 ºC) |
| Solubility | H2O: 3M at20°C, clear, colorless |
| Vapor Presure | 0Pa at 25℃ |
| Appearance | Powder/Lump |
| Specific Gravity | 4.115 |
| Color | White |
| Exposure Limit | ACGIH: TWA 2.5 mg/m3NIOSH: IDLH 250 mg/m3; TWA 2.5 mg/m3 |
| Maximum wavelength(λmax) | ['λ: 260 nm Amax: 0.05', , 'λ: 280 nm Amax: 0.05'] |
| Merck | 14,2012 |
| PH | 6.5-7.5 (25℃, 3M in H2O) |
| Storage Condition | 0-6°C |
| Stability | hygroscopic |
| Sensitive | Hygroscopic |
| Use | Used as an analytical reagent, but also for the manufacture of optical crystals |
Cesium fluoride - Risk and Safety
| Risk Codes | R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. R34 - Causes burns R62 - Possible risk of impaired fertility R41 - Risk of serious damage to eyes R38 - Irritating to the skin R32 - Contact with acids liberates very toxic gas |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | UN 2923 8/PG 2 |
| WGK Germany | 3 |
| RTECS | FK9650000 |
| FLUKA BRAND F CODES | 3-10 |
| TSCA | T |
| HS Code | 28261990 |
| Hazard Note | Corrosive |
| Hazard Class | 6.1 |
| Packing Group | III |
Cesium fluoride - Reference Information
| LogP | 0.23 at 20℃ |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| solubility in water (g/100ml) | grams dissolved per 100ml of water: 322g/20 ℃ |
| Use | is used as an analytical reagent and also in the production of optical crystals for the production of fluorine-containing isocyanates. in the Suzuki cross-coupling synthesis reaction, as a base, used for the positive substitution of biaryl; also as a nucleophile for the fluorination of primary halides and sulfonates in protic media such as tert-butyl or tert-amyl alcohols; As a catalyst for the reaction of silanol ethers with carbonyl compounds; for the effective synthesis of single crystal Dion-Jacobson phase csrata2o7, applied in photocatalysis and superconductivity |
| category | toxic substances |
| toxicity grade | poisoning |
| Acute toxicity | Reference range: oral-rat LD50: 2600 mg/kg; Oral-mouse LD50: 2306 mg/kg |
| flammability hazard characteristics | non-combustible; Toxic hydrogen fluoride gas emitted in case of acid; toxic fluoride and cesium oxide fumes from heat |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; It is stored separately from acids and food additives |
| Occupational Standard | TLV-TWA 2.5 mg (fluorine)/m3; Tel 5 mg (fluorine)/M3 |
Last Update：2024-04-10 22:29:15
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