LANTHANUM SULFIDE
- CAS NO.：12031-49-1
- Empirical Formula: La2S3
- Molecular Weight: 374.01
- MDL number: MFCD00016168
- EINECS: 234-752-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-27 23:26:03
What is LANTHANUM SULFIDE?
Chemical properties
red powder(s); there is a LaS2,12325-81-4, with -200 mesh of 99.9% purity [STR93] [CER91]
The Uses of LANTHANUM SULFIDE
Lanthanum(III) sulfide is used as a precursor in the production of gallium lanthanum sulfide and strontium lathanum sulfide. It is also used in glass manufacturing. It is doped with other metals and used in optical fibers. It is also used as optical switching, high power-delivery, acousto-optic devices, air-guiding fibers, fiber sensors and mid-IR devices.
Properties of LANTHANUM SULFIDE
| Melting point: | 2100-2150°C |
| Density | 4,911 g/cm3 |
| form | Powder |
| Specific Gravity | 4.911 |
| color | Orange |
| Solubility Product Constant (Ksp) | pKsp: 12.7 |
| CAS DataBase Reference | 12031-49-1 |
| EPA Substance Registry System | Lanthanum sulfide (La2S3) (12031-49-1) |
Safety information for LANTHANUM SULFIDE
| Signal word | Warning |
| Pictogram(s) |
 Flame Flammables GHS02  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H261:Substances And Mixtures Which, In Contact With Water,Emit Flammable Gases H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P231+P232:Handle under inert gas. Protect from moisture. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for LANTHANUM SULFIDE
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