Molekula
Gallium (II) selenide
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Gallium(II) selenide is a semiconductor material used in optoelectronic devices and infrared detectors. It is a crystalline solid with the molecular formula GaSe, a molecular weight of 148.69 g/mol, and is stable at ambient storage conditions. It is classified as dangerous (Signal word: Danger). Molekula supplies Gallium(II) selenide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Solid |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 89999591 |
| CAS Number | 12024-11-2 |
| Molecular Formula | GaSe |
| Molecular Weight | 148.69 |
| SMILES | [Ga]=[Se] |
| UN Number | UN3288 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | - |
| Tariff Code | 2843909000 |
Safety & GHS
-
Toxic
GHS06
-
Serious Health Hazard
GHS08
-
Hazardous to the Environment
GHS09
Hazard statements
- H301 + H331 Toxic if swallowed or inhaled
- H373 May cause damage to organs through prolonged or repeated exposure
- H400 Very toxic to aquatic life
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is Gallium(II) selenide used for?
Gallium selenide (GaSe) is primarily used in semiconductor applications, including infrared optics and photodetectors due to its wide bandgap and nonlinear optical properties.
What is the chemical formula and molecular weight of Gallium(II) selenide?
The chemical formula is GaSe and the molecular weight is 148.69 g/mol.
How should Gallium(II) selenide be stored?
Gallium selenide should be stored at ambient temperature, protected from moisture and air exposure.
What grade of Gallium(II) selenide is available?
Molekula offers Gallium selenide in high purity (99.99%) grade for research and industrial applications.
Can Molekula supply Gallium(II) selenide in bulk?
Yes, Molekula can supply Gallium selenide in bulk quantities; please contact our sales team for custom orders.
What documentation comes with a purchase of Gallium(II) selenide?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) compliant with GHS standards.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.