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88458 Gallium arsenide, 99.999% (metals basis)

CAS Number
1303-00-0
Synonyms

Stock No. Size Price ($) Quantity Availability
88458-04 2g 102.00
88458-09 10g 458.00
88458-18 50g 2052.00
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Gallium arsenide, 99.999% (metals basis)

MDL
MFCD00011017
EINECS
215-114-8

Chemical Properties

Formula
GaAs
Formula Weight
144.64
Form
25mm & Down Polycrystalline Pieces
Melting point
1238°
Density
5.31
Storage & Sensitivity
Ambient temperatures.
Solubility
Soluble in hydrochloric acid. Insoluble in water, ethanol, methanol and acetone.

Applications

Semiconductors (transistors, lasers, solar cells)Gallium arsenide is used in semiconductor applications. It is also used in the manufacture of devices such as microwave frequency integrated circuits, Gunn diodes, monolithic microwave integrated circuits, infrared light-emitting diodes, laser diodes and optical windows. Further, it is used for single-crystalline thin film solar cells and multi-junction solar cells. In addition, it is used for the detection of X-rays.

Notes

Background carrier concentration <1x10^1^6Moisture sensitive. Incompatible with strong oxidizing agents and strong acids.

Literature References

Ma, D.; Chen, X.; Qiao, H.; Shi, W.; Li, E. The roles of the temperature on the structural and electronic properties of deep-level VAsVGa defects in gallium arsenide. J. Alloys Compd. 2015, 637, 16-19.

van Leest, R. H.; Bauhuis, G. J.; Mulder, P.; van der Heijden, R.; Bongers, E.; Vlieg, E.; Schermer, J. J. Effects of copper diffusion in gallium arsenide solar cells for space applications. Sol. Energy Mater. Sol. Cells 2015, 140, 45-53.

GHS Hazard and Precautionary Statements

Hazard Statements: H301+H331-H350

Toxic if swallowed. Toxic if inhaled. May cause cancer.

Precautionary Statements: P201-P202-P261-P264b-P270-P271-P281-P301+P310-P304+P340-P308+P313-P311-P330-P501c

Obtain special instructions before use. Do not handle until all safety precautions have been read and understood. Avoid breathing dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product. Use only outdoors or in a well-ventilated area. Use personal protective equipment as required. IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF exposed or concerned: Get medical advice/attention. Call a POISON CENTER or doctor/physician. Rinse mouth. Dispose of contents/ container to an approved waste disposal plant

Other References

Merck
14,4347
Hazard Class
6.1
Packing Group
II
Harmonized Tariff Code
2842.90
TSCA
Yes

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