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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

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

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Aleksandr B Stefaniak et al.
Analytical and bioanalytical chemistry, 391(6), 2071-2077 (2008-01-29)
Owing to the absence of readily available certified particulate reference materials (RMs), most analytical methods used to determine particulate contaminant levels in workplace or other environments are validated using solution RMs, which do not assess the robustness of the digestion
Caroline Muller et al.
International journal of toxicology, 30(5), 538-545 (2011-10-21)
The toxicity of 3 chemical forms of beryllium (Be) was compared in this study. A total of 160 mice equally divided into 4 groups were exposed by inhalation (nose only) for 3 consecutive weeks, 5 d/week, 6 h/d. One group
Kristin J Cummings et al.
Occupational and environmental medicine, 64(2), 134-140 (2006-10-18)
A 1998 survey at a beryllium oxide ceramics manufacturing facility found that 10% of workers hired in the previous 6 years had beryllium sensitisation as determined by the beryllium lymphocyte proliferation test (BeLPT). In response, the facility implemented an enhanced
Thomas J Oatts et al.
Journal of environmental monitoring : JEM, 14(2), 391-401 (2011-10-26)
Occupational sampling and analysis for multiple elements is generally approached using various approved methods from authoritative government sources such as the National Institute for Occupational Safety and Health (NIOSH), the Occupational Safety and Health Administration (OSHA) and the Environmental Protection
Vincent Paquette et al.
Journal of analytical toxicology, 34(9), 562-570 (2010-11-16)
Beryllium (Be) is still not well understood from a toxicological point of view, and studies that involve the determination of different Be compounds species in tissues need to be conducted. In this paper we describe the development and validation of
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