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202770

Sigma-Aldrich

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:
1304-56-9
Molecular Weight:
25.01
MDL number:
MFCD00003457
UNSPSC Code:
12352303
PubChem Substance ID:
24852117
NACRES:
NA.23

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

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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.

Pictograms

Skull and crossbonesHealth hazard
GHS06,GHS08

Signal Word

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 Code

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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Certificates of Analysis (COA)

Lot/Batch Number
MKCN7118
MKCN2156
MKBZ4090V
MKBZ1375V
MKBX5117V

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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
Aleksandr B Stefaniak et al.
Analytical and bioanalytical chemistry, 387(7), 2411-2417 (2006-11-25)
Complete digestion of all chemical forms and sizes of particulate analytes in environmental samples is usually necessary to obtain accurate results with atomic spectroscopy. In the current study, we investigate the physicochemical properties of beryllium particles likely to be encountered
B L McAtee et al.
The Annals of occupational hygiene, 53(4), 373-382 (2009-04-23)
Copper beryllium alloys are the most commonly used form of beryllium; however, there have been few studies assessing occupational exposure in facilities that worked exclusively with this alloy versus those where pure metal or beryllium oxide may also have been
Michael R Winchester et al.
Analytical chemistry, 81(6), 2208-2217 (2009-02-13)
High-performance inductively coupled plasma optical emission spectrometry (HP-ICP-OES) was used to certify the Be mass fraction in National Institute of Standards and Technology (NIST) Standard Reference Material (SRM) 1877 Beryllium Oxide Powder. The certified value and expanded uncertainty expressed at
Christine R Schuler et al.
Journal of occupational and environmental medicine, 50(12), 1343-1350 (2008-12-19)
We followed a cohort of 136 beryllium oxide ceramics workers from 1992 to 2003, including those who left employment, for beryllium sensitization and chronic beryllium disease (CBD). We invited the cohort's participation in current worker surveys in 1992, 1998, 2000
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