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Merck
CN

634840

Magnesium aluminate

single crystal substrate, <110>, 99.99% trace metals basis

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About This Item

Linear Formula:
MgO·Al2O3
CAS Number:
12068-51-8
Molecular Weight:
142.27
EC Number:
235-100-5
MDL number:
MFCD00049475
UNSPSC Code:
12352302
PubChem Substance ID:
24882695
NACRES:
NA.23

Key Documents

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Assay

99.99% trace metals basis

hardness

8.0 mohs

size

10 mm × 10 mm × 0.5 mm

mp

2130 °C (lit.)

density

3.64 g/mL at 25 °C (lit.)

semiconductor properties

<110>

SMILES string

[Mg++].[O-][Al]=O.[O-][Al]=O

InChI

1S/2Al.Mg.4O/q;;+2;;;2*-1

InChI key

VPBIQXABTCDMAU-UHFFFAOYSA-N

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General description

propagation loss: 6.5 dB/μs; phase velocity: 6500 m/x at (100> shear wave); thermal expansion: 7.45 × 10-6 /°C

Application

Inert matrix for the transmutation of minor actinides such as americium.

Features and Benefits

Transparent substrate used for bulk microwave and acoustic wave devices. Good substrate for III-V nitride materials.

Physical form

cubic (a = 8.083 Å)

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
08125LB

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Klaassen, F.C.
J. Nuc. Mat., 319, 108-108 (2003)
Tomohito Kameda et al.
Journal of environmental science and health. Part A, Toxic/hazardous substances & environmental engineering, 47(5), 711-717 (2012-03-16)
Mg-Al oxide obtained by calcination of NO(3)(-)-intercalated Mg-Al layered double hydroxide (NO(3)•Mg-Al LDH) was used to treat H(2)SO(4), acting as both a neutralizer of the acid and a fixative for SO(4)(2-). The fraction of SO(4)(2-) removed increased with time and
Feng Li et al.
Journal of hazardous materials, 125(1-3), 89-95 (2005-07-12)
MgAl-layered double hydroxides with different interlayer anions (nitrate, carbonate and chloride) were evaluated for their abilities to adsorb the organic pesticide glyphosate (N-phosphonomethyl glycine, Gly). The adsorption isotherms of Gly on layered double hydroxides (LDHs) nitrate were described by the
Toshiaki Yoshioka et al.
Chemosphere, 69(5), 832-835 (2007-06-26)
Magnesium-aluminum oxide (Mg-Al oxide) prepared by the thermal decomposition of a hydrotalcite-like compound was found to have potential for treating NaBF(4) wastewater. The Mg-Al oxide removed the BF(4)(-) and F(-) and H(3)BO(3) from the NaBF(4) solution. With increasing Mg-Al oxide
Liang Lv et al.
Journal of hazardous materials, 152(3), 1130-1137 (2007-09-14)
A fundamental investigation on the uptake of bromide ion from contaminated water by calcined and uncalcined MgAl-CO3 layered double hydroxides (LDHs) were conducted in batch mode. The uptake capacity of calcined LDHs (CLDH) is higher than that of uncalcined LDHs
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