Cryolite -- Sodium aluminum fluoride

Formula

Na3AlF6

Purity

99.7%

Appearance

White granules or tablets

Refractive index

1.35@550nm

Transmission range (nm)

250-14800

Evaporation temperature (C)

1000

Melting point (C)

1000

Density (g/cm3)

2.85

Evaporation Source

With electron beam gun or with molybdenum boat

Application

Interference filters, multi-layer coatings.

CAS

13775-53-6

TSCA

Yes