202770
Beryllium oxide
99.98% trace metals basis
Synonym(s):
Beryllia, Beryllium monoxide
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About This Item
Empirical Formula (Hill Notation):
BeO
CAS Number:
Molecular Weight:
25.01
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12352303
MDL number:
Quality Level
assay
99.98% trace metals basis
form
powder
reaction suitability
reagent type: catalyst
core: beryllium
density
3.01 g/mL at 25 °C (lit.)
SMILES string
[Be]=O
InChI
1S/Be.O
InChI key
LTPBRCUWZOMYOC-UHFFFAOYSA-N
General description
Beryllium oxide is a ceramic material with a unique combination of high electrical resistance and dielectric strength with high thermal conductivity. It also shows high transmission in a wide spectral range from VUV(vacuum UV) through IR. It is widely used in the field of optical devices and electronic transistors.
Application
Beryllium oxide can be used as an additive to fabricate uranium dioxide kernels(nuclear fuel) with enhanced thermal conductivity.
signalword
Danger
Hazard Classifications
Acute Tox. 2 Inhalation - Acute Tox. 3 Oral - Carc. 1B Inhalation - Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1 - STOT RE 1 Inhalation - STOT SE 3
target_organs
Lungs, Respiratory system
Storage Class
6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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Yuhui Qu et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 67(2), 350-354 (2006-09-02)
The structure and harmonic vibrations of Be(n)O(n) (n=3-10) clusters have been investigated using density functional theory. All structures are found to be cumulenic D(nh) rings (equal bonds, alternating angles), with one intense out of plane mode and three infrared-active degenerate
Gregory A Day et al.
Experimental lung research, 31(3), 341-360 (2005-06-21)
Beryllium metal and its oxide and alloys are materials of industrial significance with recognized adverse effects on worker health. Currently, the degree of risk associated with exposure to these materials in the workplace is assessed through measurement of beryllium aerosol
L N Koppel et al.
The Review of scientific instruments, 69(4), 1893-1897 (2001-09-07)
Definitive mineralogical identification of materials with x-ray diffraction and fluorescence on remote planetary probes requires the development of a rugged miniature x-ray source that complies with the mass, power, thermal, and electrical management constraints imposed by space missions. Conventional x-ray