13818-75-2
GADOLINIUM BROMIDE
CAS: 13818-75-2
Molecular Formula: Br3Gd
13818-75-2 - Names and Identifiers
| Name | GADOLINIUM BROMIDE |
| Synonyms | GADOLINIUM BROMIDE Gadolinium(III) bromide gadoliniumbromide(gdbr3) gadolinium(iii) bromide, ultra dry |
| CAS | 13818-75-2 |
| EINECS | 237-494-4 |
13818-75-2 - Physico-chemical Properties
| Molecular Formula | Br3Gd |
| Molar Mass | 396.96 |
| Density | 4.560 |
| Melting Point | 770 °C(lit.) |
| Boling Point | 1455℃ |
| Water Solubility | It is soluble in water. Also soluble in THF, 1,2-Diethoxyethane, p-dioxane, and alkyl amine. |
| Appearance | powder |
| Sensitive | Hygroscopic |
| Use | Gadolinium is a chemical element in group B of periodic table III, with the symbol Gd, atomic number 64, relative atomic mass 157.250, melting point 1311 ℃, boiling point 3233 ℃, density 7.898g/cm3(25 ℃), valence 3. Gadolinium is a transition rare earth metal, silver-white, moderately ductile, and reacts slowly with oxygen and water. It is ferromagnetic below 17 °c and superconductive at very low temperatures. Gadolinium and other rare earth elements coexist in many ores, but are mainly extracted from monazite. Gadolinium can be used in some electronic components and high temperature resistant materials, and can be used as an alloy additive. Gadolinium has the highest thermal neutron absorption cross section for any natural isotope of all elements, and can be used in nuclear reactor control rods. Gadolinium bromide formula GdBr3 • 6H2O = 505.07, white orthorhombic crystal, deliquescent. Relative density 2.84(16/4 ℃), melting point 765 ℃ (anhydrous salt), boiling point 1038 ℃ (anhydrous salt). Soluble in water and hydrobromic acid, the gadolinium oxide dissolved in hydrobromic acid, the solution in the sulfuric acid dryer evaporation, crystallization and prepared. |
13818-75-2 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
| WGK Germany | 3 |
| TSCA | Yes |