Terbium fluoride , Waterless, powder, 99.9%metalsbasis , 13708-63-9

Synonym(s):
Terbium trifluoride

CAS NO.：13708-63-9

Empirical Formula: F3Tb

Molecular Weight: 215.92

MDL number: MFCD00049572

EINECS: 237-247-0

PRODUCT Properties

• Melting point: 1172 °C
• solubility: insoluble in H2O
• form: powder
• color: white
• Water Solubility: Slightly soluble in mineral acids. Insoluble in water.
• Sensitive: Hygroscopic
• Crystal Structure: YF3 type
• crystal system: Nogata
• Space group: Pnma
• Lattice constant:
  • a/nm: 0.651
  • b/nm: 0.695
  • c/nm: 0.438
  • α/o: 90
  • β/o: 90
  • γ/o: 90
  • V/nm3: 0.1984
• Exposure limits: ACGIH: TWA 2.5 mg/m3; NIOSH: IDLH 250 mg/m3

Description and Uses

Terbium(III) fluoride is Source of terbium.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H302+H312+H332-H315-H319-H335
• Precautionary statements: P261-P280-P301+P312-P302+P352+P312-P304+P340+P312-P305+P351+P338
• Hazard Codes: Xn,T
• Risk Statements: 20/21/22-36/37/38
• Safety Statements: 9-26-36/37
• RIDADR: UN 3288 6.1/PG 3
• WGK Germany: 3
• RTECS: WY9367500
• Hazard Note: Toxic
• TSCA: Yes
• HazardClass: 6.1
• PackingGroup: III
• HS Code: 28469031
• Toxicity: mammal (species unspecified),LDLo,intraperitoneal,10gm/kg (10000mg/kg),Meditsina Truda i Promyshlennaya Ekologiya. Industrial Medicine and Ecology. Vol. (7), Pg. 32, 1994.