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Features
CAS No.: | 1304-56-9 |
Linear Formula: | BeO |
Purity: | 99% - 99.999% |
Appearance: | White Powder |
Beryllium Oxide Powder Description
Beryllium oxide (BeO) is extracted from the naturally occurring minerals beryl and bertrandite, and produced as a powder by the thermal decomposition of Be(OH)2. Powders are commercially available at purity levels of greater than 99%.
Beryllium oxide (BeO) is unique for oxides as it combines excellent electrical insulating properties with high thermal conductivity. It is also corrosion resistant. The high toxicity of the beryllium oxide powders when inhaled, and the high cost of the raw material, has limited its use to applications that exploit its singular properties.
Beryllium oxide (BeO) is an electrical insulator with a higher thermal conductivity than any other non-metal except diamond, and exceeds that of most metals. Sintered beryllium oxide is a very stable ceramic. Beryllium oxide is used in rocket engines and as a transparent protective over-coating on aluminised telescope mirrors.
Chemical Analysis by GDMS
Element | Concentration (ppm wt) | Element | Concentration (ppm wt) |
Li | 12 | Pd | < 1 |
Be | Matrix | Ag | < 1 |
B | 11 | Cd | < 5 |
C | - | In | Binder |
N | - | Sn | < 5 |
O | - | Sb | < 0.5 |
F | < 10 | Te | < 0.5 |
Na | 61 | I | < 0.5 |
Mg | 4 | Cs | < 20 |
Al | 79 | Ba | < 5 |
Si | 43 | La | < 1 |
P | - | Ce | < 5 |
S | - | Pr | < 1 |
Cl | 1.2 | Nd | < 0.5 |
K | 20 | Sm | < 0.5 |
Ca | 19 | Eu | < 0.5 |
Sc | < 0.1 | Gd | < 0.5 |
Ti | 2.7 | Tb | < 0.5 |
V | 0.17 | Dy | < 0.5 |
Cr | 7.2 | Ho | < 0.5 |
Mn | 2.9 | Er | < 0.5 |
Fe | 15 | Tm | < 0.5 |
Co | 1.2 | Yb | < 0.5 |
Ni | 2.2 | Lu | < 0.5 |
Cu | < 5 | Hf | < 0.5 |
Zn | 29 | Ta | Source |
Ga | < 0.5 | W | < 0.5 |
Ge | < 5 | Re | < 0.5 |
As | < 1 | Os | < 0.5 |
Se | < 5 | Ir | < 0.5 |
Br | < 5 | Pt | < 1 |
Rb | < 0.5 | Au | < 10 |
Sr | 0.72 | Hg | < 5 |
Y | < 0.5 | Tl | < 0.5 |
Zr | 0.19 | Pb | < 10 |
Nb | < 5 | Bi | < 5 |
Mo | 2.4 | Th | < 0.1 |
Ru | < 0.5 | U | < 0.1 |
Rh | < 0.5 |
Beryllium Oxide Powder Applications and Related Industries
● Chemical Manufacturing
● Research & Laboratory
● Thin Film Deposition
● Electronics
● Nuclear
● Aerospace
● Military
● Metallurgy
Chemical Identifiers
Linear Formula | BeO |
MDL Number | MFCD00003457 |
EC No. | 215-133-1 |
Beilstein/Reaxys No. | 3902801 |
Pubchem CID | 14775 |
IUPAC Name | Oxoberyllium |
SMILES | [Be]=O |
InchI Identifier | InChI=1S/Be.O |
InchI Key | LTPBRCUWZOMYOC-UHFFFAOYSA-N |
Beryllium Oxide Powder Properties (Theoretical)
Compound Formula | BeO |
Molecular Weight | 25.01 |
Appearance | White |
Melting Point | 2507 °C (4545 °F) |
Boiling Point | 3900 °C (7052 °F) |
Density | 2.9 g/cm3 |
Solubility in H2O | N/A |
Electrical Resistivity | 13 10x Ω-m |
Poisson's Ratio | 0.26 |
Specific Heat | 1050 J/kg-K |
Tensile Strength | 140 MPa (Ultimate) |
Thermal Conductivity | 270 W/m-K |
Thermal Expansion | 8.0 µm/m-K |
Young's Modulus | 350 GPa |
Exact Mass | 25.0071 g/mol |
Monoisotopic Mass | 25.007097 Da |
Beryllium Oxide Powder Health & Safety Information
Signal Word | Danger |
Hazard Statements | H301-H315-H317-H319-H330-H335-H350i-H372 |
Hazard Codes | T+ |
Precautionary Statements | P201-P260-P280-P284-P301 + P310-P305 + P351 + P338 |
Flash Point | Not applicable |
Risk Codes | 49-25-26-36/37/38-43-48/23 |
Safety Statements | 53-45 |
RTECS Number | DS4025000 |
Transport Information | UN 1566 6.1 / PGII |
WGK Germany | 3 |
GHS Pictograms | GHS08 Health Hazard
GHS06 Skull and Crossbones
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