LANTHANUM SULFIDE Chemical Properties

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

Risk Statements 

31-36/37/38

Safety Statements 

22-36/37/39

RIDADR 

UN3134

TSCA 

Yes

HazardClass 

4.3

PackingGroup 

III

HS Code 

2846901020

MSDS

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LANTHANUM SULFIDE Usage And Synthesis

Chemical Properties

red powder(s); there is a LaS2,12325-81-4, with -200 mesh of 99.9% purity [STR93] [CER91]

Uses

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.

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