Erbium tetraboride

Erbium tetraboride is a boride of the lanthanide metal erbium.^[2]

Erbium tetraboride

Names
IUPAC name Erbium tetraboride
Identifiers
CAS Number	12310-44-0
3D model (JSmol)	Interactive image
ChemSpider	62855474
ECHA InfoCard	100.032.331
EC Number	235-578-5
PubChem CID	92026692 has wrong formula
CompTox Dashboard (EPA)	DTXSID301014297
InChI InChI=1S/4B.Er Key: ZJQHBIRDYKOZLM-UHFFFAOYSA-N
SMILES [Er].[B].[B].[B].[B]
Properties
Chemical formula	ErB4
Molar mass	210.503g/mol
Melting point	2,360 °C; 4,280 °F; 2,633 K[1]
Related compounds
Related compounds	Erbium hexaboride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

It is hard and has a high melting point. Industrial applications of erbium boride include use in semiconductors, the blades of gas turbines, and the nozzles of rocket engines.^[3]