Gallium Arsenide



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Product Code Available Product Forms Request A Quote
GA-AS-05-P (5N) 99.999% Gallium Arsenide Powder Request
GA-AS-05-ST (5N) 99.999% Gallium Arsenide Sputtering Target Request
GA-AS-05-WSX (5N) 99.999% Gallium Arsenide Wafer Request
GA-AS-05-I (5N) 99.999% Gallium Arsenide Ingot Request
GA-AS-05-L (5N) 99.999% Gallium Arsenide Lump Request


Compound Formula AsGa
Molecular Weight 144.64
Appearance Gray crystalline solid
Melting Point 1238°C
Boiling Point N/A
Density 5.32 g/cm3
Exact Mass 143.84717
Monoisotopic Mass 143.84717

Health & Safety Info  |  MSDS / SDS

Signal Word Danger
Hazard Statements H301 + H331-H410
Hazard Codes T,N
Risk Codes 23/25-50/53
Safety Statements 20/21-28-45-60-61
RTECS Number LW8800000
Transport Information UN 1557 6.1/PG 2
WGK Germany 3
Globally Harmonized System of Classification and Labelling (GHS) N/A


Gallium Arsenide is a semiconductor with superior electronic properties to silicon. It has a higher saturated electron velocity and higher electron mobility, allowing it to function at microwave frequencies. American Elements produces to many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows applicable ASTM testing standards. Typical and custom packaging is available. Additional technical, research and safety (MSDS) information is available as is a Reference Calculator for converting relevant units of measurement.


Gallium monoarsenide; Arsinidynegallium; gallanylidynearsane

Chemical Identifiers

Formula GaAs
CAS 1303-00-0
Pubchem CID 14770
MDL MFCD00011017
EC No. 215-114-8
IUPAC Name gallanylidynearsane
Beilstein Registry No. N/A
SMILES [As]#[Ga]
InchI Identifier InChI=1S/As.Ga

Packaging Specifications

Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Shipping documentation includes a Certificate of Analysis and Material Safety Data Sheet (MSDS). Solutions are packaged in polypropylene, plastic or glass jars up to palletized 440 gallon liquid totes.

Related Products & Element Information

See more Arsenic products. Arsenic (atomic symbol: As, atomic number: 33) is a Block P, Group 15, Period 4 element with an atomic radius of 74.92160. Arsenic Bohr ModelThe number of electrons in each of arsenic's shells is 2, 8, 18, 5 and its electron configuration is [Ar] 3d10 4s2 4p3. The arsenic atom has a radius of 119 pm and a Van der Waals radius of 185 pm. Arsenic was discovered in the early Bronze Age, circa 2500 BC. It was first isolated by Albertus Magnus in 1250 AD. In its elemental form, arsenic is a metallic grey, brittle, crystalline, semimetallic solid. Elemental ArsenicArsenic is found in numerous minerals including arsenolite (As2O3), arsenopyrite (FeAsS), loellingite (FeAs2), orpiment (As2S3), and realgar (As4S4). Arsenic has numerous applications as a semiconductor and other electronic applications as indium arsenide, silicon arsenide and tin arsenide. Arsenic is finding increasing uses as a doping agent in solid-state devices such as transistors.

See more Gallium products. Gallium (atomic symbol: Ga, atomic number: 31) is a Block P, Group 13, Period 4 element with an atomic weight of 69.723.The number of electrons in each of Gallium's shells is 2, 8, 18, 3 and its electron configuration is [Ar] 3d10 4s2 4p1. The gallium atom has a radius of 122.1 pm and a Van der Waals radius of 187 pm. Gallium Bohr ModelGallium was predicted by Dmitri Mendeleev in 1871. It was first discovered and isolated by Lecoq de Boisbaudran in 1875. In its elemental form, gallium has a silvery appearance. Elemental GalliumGallium is one of three elements that occur naturally as a liquid at room temperature, the other two being mercury and cesium. Gallium does not exist as a free element in nature and is sourced commercially from bauxite and sphalerite. Currently, gallium is used in semiconductor devices for microelectronics and optics. The element name originates from the Latin word 'Gallia', the old name of France, and the word 'Gallus,' meaning rooster.