Ⅰ.Basic information
Chinese name: 氟化铵
Chinese alias: 中性氟化铵、水合氟化铵
English name：ammonium fluoride
English alias：neutral ammonium fluoride
Formula：NH4F
Molecular weight：37.04
UN No:2505
HS No: 2826191090
CAS No: 12125-01-8
Ⅱ.Physical property
1.Appearance：white hexagonal crystal
2.Character: easy to dissolve in water，the aqueous solution is alkaline, soluble in Chun，insoluble in acetone and liquid ammonia.
3.Application：used as glass etchant, preservative, disinfector, chemical polishing agent for metal surface and can be used in extract rare elements and so on.
