Yttrium Hydroxide 99.999%
Yttrium Hydroxide 99.999%, code 3951
Formula:  Y(OH)3.xH2O
CAS No.: 16469-22-0
Molecular Weight: 139.91(anhy)
Density: N/A
Melting point: N/A
Appearance: White powder
Solubility: Insoluble in water, moderately soluble in strong mineral acids
Stability: Slightly hygroscopic
Multilingual: YttriumHydroxid, Hydroxye De Yttrium, Hidroxido Del Ytrio
Yttrium Hydroxide 99.999% is the most important materials for tri-bands Rare Earth phosphors and Yttrium-Iron-Garnets, which are very effective microwave filters. It is also applied to make laser crystal.
Products available
Product Code: 3951 Standard Specification Typical Analysis Inspection Methods
Grade 99.999% 99.999%  
CHEMICAL COMPOSITION
Y2O3/TREO (% min.) 99.999 99.999
TREO (% min.) 50 50 Volumetric Method
Rare Earth Impurities ppm max. ppm
La2O3/TREO
CeO2/TREO
Pr6O11/TREO
Nd2O3/TREO
Sm2O3/TREO
Eu2O3/TREO
Gd2O3/TREO
Tb4O7/TREO
Dy2O3/TREO
Ho2O3/TREO
Er2O3/TREO
Tm2O3/TREO
Yb2O3/TREO
Lu2O3/TREO		 1
1
1
1
1
2
1
1
1
2
2
1
1
1		 1
1
1
1
1
2
1
1
1
1
1
1
1
1		 ICP-Atomic Emission
Spectrographic
Non-Rare Earth Impurities ppm max. ppm
Fe2O3
SiO2
CaO
Cl-
CuO
NiO
PbO
Na2O
K2O
MgO
Al2O3
TiO2
ThO2		 5
50
30
100
2
3
2
15
15
15
50
50
20		 5
35
20
100
2
3
2
15
15
15
50
50
20		 Spectrographic

Atomic Absorption Spectrographic
The standard specifications are only for reference, custom specification manufactures are welcomed. More detailed information including MSDS sheet, lot weight, packing condition, lead time and price are all ready on request, please just click at Request for Quotation, you will receive our prompt reply within 24 hours.