Calcium sulfide , 99% , 20548-54-3

Synonym(s):
Calcium monosulfide

CAS NO.：20548-54-3

Empirical Formula: CaHS

Molecular Weight: 73.15

MDL number: MFCD00015990

EINECS: 243-873-5

PRODUCT Properties

• Melting point: 2000 °C
• Density: 2.6
• refractive index: 2.12
• solubility: slightly soluble in H2O; insoluble in ethanol
• form: Powder
• Specific Gravity: 2.5
• color: White
• Water Solubility: Slightly soluble in water. Insoluble in alcohol.
• Sensitive: Moisture Sensitive
• Crystal Structure: NaCl type
• crystal system: Cube
• Merck: 14,1707
• Space group: Fm3m
• Lattice constant:
  • a/nm: 0.56908
  • b/nm: 0.56908
  • c/nm: 0.56908
  • α/o: 90
  • β/o: 90
  • γ/o: 90
  • V/nm3: 0.1843

Description and Uses

CALCIUM SULFIDE is used in electron emitters. Luminous CaS used for making luminous paints or varnishes.

Safety

• Symbol(GHS): GHS02,GHS07,GHS09
• Signal word: Danger
• Hazard statements: H228-H315-H319-H335-H400
• Precautionary statements: P210-P273-P302+P352-P305+P351+P338
• Hazard Codes: Xi,N
• Risk Statements: 31-36/37/38-50
• Safety Statements: 28-61
• RIDADR: UN 3179 4.1/PG 2
• WGK Germany: 2
• TSCA: Yes
• HazardClass: 4.3
• PackingGroup: III