Lanthanum(III) sulfide , 99 , 12031-49-1

CAS NO.：12031-49-1

Empirical Formula: La2S3

Molecular Weight: 374.01

MDL number: MFCD00016168

EINECS: 234-752-8

PRODUCT Properties

• Melting point: 2100-2150°C
• Density: 4,911 g/cm³
• form: Powder
• Specific Gravity: 4.911
• color: Orange
• Crystal Structure: Gd2S3 type
• crystal system: Nogata
• Space group: Pnma
• Solubility Product Constant (Ksp): pKsp: 12.7
• Lattice constant:
  • a/nm: 0.766
  • b/nm: 0.422
  • c/nm: 1.595
  • α/o: 90
  • β/o: 90
  • γ/o: 90
  • V/nm3: 0.5156
• CAS DataBase Reference: 12031-49-1
• EPA Substance Registry System: Lanthanum sulfide (La2S3) (12031-49-1)

Description and 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.

Safety

• Symbol(GHS): GHS02,GHS07
• Signal word: Warning
• Hazard statements: H261-H315-H319-H335
• Precautionary statements: P231+P232-P261-P280a-P305+P351+P338-P405-P501a
• Risk Statements: 31-36/37/38
• Safety Statements: 22-36/37/39
• RIDADR: UN3134
• TSCA: Yes
• HazardClass: 4.3
• PackingGroup: III
• HS Code: 2846901020