This site requires that javascript be enabled. Please configure your browser in the tools or configuration section.
88458 1303-00-0 Gallium arsenide, 99.999% (metals basis) Alfa Aesar


Certificate of Analysis

Gallium arsenide, 99.999% (metals basis)

CAS: 1303-00-0 MDL: MFCD00011017  EINECS: 215-114-8
UN#:UN1557Hazard Class:6.1Packing Group:II


Pricing and Availability

Size ($) Price Your Price Quantity Options Availability
2g 99.70 Check Availability Add to Favorites Enter qty and click checkbox
10g 449.00 Check Availability Add to Favorites Enter qty and click checkbox
50g 2,012.00 Check Availability Add to Favorites Enter qty and click checkbox

Chemical Properties

Formula: GaAs  Melting point: 1238°
Formula weight: 144.64  Density: 5.31
Form: 25mm & Down Polycrystalline Pieces 


Semiconductors (transistors, lasers, solar cells)


Background carrier concentration <1x1016

Other References

Merck: 14,4347
UN#: UN1557
Harmonized Tariff Code: 2842.90

GHS Hazard and Precautionary Statements

Hazard Statements : H301-H331-H400-H410

Toxic if swallowed. Toxic if inhaled. Very toxic to aquatic life. Very toxic to aquatic life with long lasting effects.

Precautionary Statements : P261-P301+P310-P304+P340-P311-P405-P501A

Avoid breathing dust/fume/gas/mist/vapours/spray. 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. Call a POISON CENTER or doctor/physician. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

ToxicDangerous for the environment

Risk & Safety

Risk Phrases: 23/25-50/53
Toxic by inhalation and if swallowed. Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Phrases: 20/21-28-45-60-61
When using do not eat, drink or smoke. In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). This material and/or its container must be disposed of as hazardous waste. Avoid release to the environment. Refer to special instructions/Safety data sheets
Toxic Dangerous for the environment