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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

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_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
MKCV3724
MKCR0816
MKCN7118
MKCN2156
MKBZ4090V

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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
M Andreeff et al.
Nuklearmedizin. Nuclear medicine, 48(6), 227-232 (2009-10-29)
The absorbed dose is an important parameter in experiments involving irradiation of cells in vitro with unsealed radionuclides. Typically, this is estimated with a model calculation, although the results thus obtained cannot be verified. Generally used real-time measurement methods are
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
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
Kevin Ashley et al.
Analytica chimica acta, 584(2), 281-286 (2007-03-28)
A highly sensitive molecular fluorescence method for measuring ultra-trace levels of beryllium has been previously described. The method entails extraction of beryllium workplace samples by 1% ammonium bifluoride (NH(4)HF(2), aqueous), followed by fluorescence detection using hydroxybenzoquinoline sulfonate (HBQS). In this
View All Related Papers

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