Be1 F2

ceramic

· Be1 F2

BeF2 is an inorganic ceramic compound composed of beryllium and fluorine, belonging to the class of beryllium fluoride ceramics. This material is primarily investigated in research and specialized industrial contexts for its potential in optical, thermal, and structural applications where its unique combination of low density and high chemical stability are advantageous. Notable applications include molten salt reactor (MSR) coolants and optical windows in infrared systems, where BeF2's transparency and thermal properties offer advantages over conventional ceramics, though its use remains limited compared to more common alternatives due to cost, toxicity concerns, and manufacturing complexity.

molten salt reactor coolantsinfrared optical windowshigh-temperature ceramicsnuclear fuel systemsresearch/specialty applicationslow-density structural applications

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	54.68	GPa	—
Shear Modulus(G)	26.19	GPa	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	7.047	eV	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-2.964	eV/atom	—

Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.

Be1 F2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental