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202770

Sigma-Aldrich

Beryllium oxide

99.98% trace metals basis

Sinonimo/i:

Beryllia, Beryllium monoxide

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About This Item

Formula empirica (notazione di Hill):
BeO
Numero CAS:
1304-56-9
Peso molecolare:
25.01
Numero MDL:
MFCD00003457
Codice UNSPSC:
12352303
ID PubChem:
24852117
NACRES:
NA.23

Livello qualitativo

100

Saggio

99.98% trace metals basis

Forma fisica

powder

Impiego in reazioni chimiche

reagent type: catalyst
core: beryllium

Densità

3.01 g/mL at 25 °C (lit.)

Stringa SMILE

[Be]=O

InChI

1S/Be.O
LTPBRCUWZOMYOC-UHFFFAOYSA-N

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Categorie correlate

Descrizione generale

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.

Applicazioni

Beryllium oxide can be used as an additive to fabricate uranium dioxide kernels(nuclear fuel) with enhanced thermal conductivity.

Pittogrammi

Skull and crossbonesHealth hazard
GHS06,GHS08

Avvertenze

Danger

Classi di pericolo

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

Organi bersaglio

Lungs, Respiratory system

Codice della classe di stoccaggio

6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Certificati d'analisi (COA)

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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
Henrik Grobe et al.
European radiology, 19(5), 1156-1160 (2008-12-17)
The aim of this study was to assess the effect of eye and testicle shielding on radiation dose to the lens and the testes of patients undergoing CT examinations. Fifty-one male patients underwent CT twice with identical protocols initially without
David C Deubner et al.
Journal of occupational and environmental medicine, 53(10), 1187-1193 (2011-09-20)
Beryllium mine and ore extraction mill workers have low rates of beryllium sensitization and chronic beryllium disease relative to the level of beryllium exposure. The objective was to relate these rates to the solubility and composition of the mine and
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