Gallium phosphide
Gallium Phosphide (GaP), CAS 12063-98-8, is a semiconductor compound with a molecular weight of 100.70 g/mol. This material is primarily supplied as a single crystal substrate for advanced electronic applications. Its notable semiconductor properties and high purity make it a crucial component in optoelectronic devices and specialized electronic research, offering reliable performance in demanding technological environments.

Semiconductor Substrate
Gallium phosphide single crystal substrates are utilized in the fabrication of various semiconductor devices. Its specific crystallographic orientation (<111>) is critical for epitaxial growth in advanced microelectronic and optoelectronic applications.
Optoelectronics
As a key material in optoelectronics, GaP is fundamental for the development of light-emitting diodes (LEDs) and other photonic devices. Its electronic band structure facilitates efficient light emission and detection.
Materials Science Research
Researchers in materials science employ Gallium Phosphide for investigating novel electronic properties and developing next-generation semiconductor technologies. Its defined crystalline structure serves as a benchmark for material studies.
| Molecular weight | 100.70 |
|---|---|
| Linear formula | GaP |
| Assay | 99.99% trace metals basis |
| Form | (single crystal substrate) |
| Density | 4.13 g/mL at 25 °C |
| Melting point | 1480 °C |

Hazard statements
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37 |
| Safety statements (S) | 26 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Resistivity | ~0.3 Ω-cm |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Gallium Phosphide (GaP) primarily used for?
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Gallium Phosphide (GaP) is primarily used as a single crystal substrate for advanced semiconductor and optoelectronic devices, including LEDs.
What is the CAS number and formula for Gallium Phosphide?
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The CAS number for Gallium Phosphide is 12063-98-8, and its chemical formula is GaP.
What grade and purity does Tech Serve Solutions supply for Gallium Phosphide?
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Tech Serve Solutions supplies Gallium Phosphide with an assay of 99.99% trace metals basis, provided as a single crystal substrate. TSS does not represent this product as USP, BP, or EP grade.
What are the safety considerations when handling Gallium Phosphide?
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Gallium Phosphide is a Warning substance, classified with H319 (causes serious eye irritation) and H335 (may cause respiratory irritation). Appropriate personal protective equipment, including a dust mask type N95, eyeshields, and gloves, should be used, and handling should occur in a well-ventilated area as per precautionary statements P261 and P305 + P351 + P338.
How is Gallium Phosphide packed, shipped, and exported by Tech Serve Solutions?
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Tech Serve Solutions reliably packs, ships, and exports Gallium Phosphide, adhering to international regulations for chemical transport to meet global research and industrial demands.
How can I request a sample or a quote for Gallium Phosphide?
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To request a sample or obtain a quote for Gallium Phosphide, please contact our sales team through the website or direct inquiry channels.
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