Scandium Fluoride ScF3 CAS 13709-47-2 For Additive Of Improving Alloy Properties
cerium iii acetate hydrate
,praseodymium hydroxide
Scandium Fluoride ScF3 CAS 13709-47-2 For Additive Of Improving Alloy Properties
Name: Scandium fluoride, Scandium fluoride anhydrous Molecular formula: ScF3
CAS: 13709-47-2 Molecular weight: 101.95
Description: Scandium fluoride exhibits an unusual negative thermal expansion, which means it contracts when heated. This phenomenon can be explained by four oscillations of fluorine ions. Scandium fluoride can be prepared by the reaction of scandium and fluorine, or by the reaction of scandium oxide (Sc2O3) extracted from scandium yttrium and ammonium hydrogen fluoride at high temperature. Sc2O3 + 6NH4HF2 → 2ScF3 + 6NH4F + 3H2O
Specification:
| Name | ScF3_4N | ScF3_3N | ||
| Molecular formula | ScF3 | ScF3 | ||
| CAS | 13709-47-2 | 13709-47-2 | ||
| Total rare earth TREO | % | ≥66.5 | ≥66.5 | |
| Sc2O3/TREO | % | ≥99.99 | ≥99.9 | |
| Rare earth impurities | % | ≤0.01 | ≤0.1 | |
| Fe | % | ≤0.001 | ≤0.005 | |
| Si | % | ≤0.005 | ≤0.03 | |
| Ca | % | ≤0.005 | ≤0.03 | |
| LOI | % | ≤3.0 | ≤3.0 | |
| property | White powder | |||
| Application area | Preparation of scandium and additives for improving alloy properties | |||
| package | Conventional packaging, flexible packaging according to customer needs | |||
Packing: 25kg cardboard drum packaging, also provided small package: 100g, 500g, 1kg, 5kg and so on.
Uses: It is mainly used for Preparation of scandium and additives for improving alloy properties.
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