Tetramethylammonium fluoride
CAS:373-68-2
Molecular Formula:C4H12FN
Formula Weight:93.14
Specification:1g/5g
Description:
Melting point:170°C (dec.)
Ammonium fluoride is the asleep admixture with the blueprint NH4F. It crystallizes as baby colourless prisms, accepting a aciculate acrid taste, and is awfully acrid in water.
Ammonium fluoride adopts the wurtzite clear structure, in which both the ammonium cations and the fluoride anions are ample in ABABAB... layers, anniversary getting tetrahedrally amidst by four of the other. There are NH...F hydrogen bonds amid the anions and cations. This anatomy is actual agnate to ice, and ammonium fluoride is the alone actuality which can anatomy alloyed crystals with water.
Uses
This actuality is frequently alleged "commercial ammonium fluoride". The chat "neutral" is sometimes added to "ammonium fluoride" to represent the aloof alkali - [NH4]F vs the "acid salt" (NH4HF2). The acerbic alkali is usually acclimated in alternative to the aloof alkali in the carving of bottle and accompanying silicates. This acreage is aggregate a part of all acrid fluorides. For this acumen it cannot be handled in bottle analysis tubes or accoutrement during class work.
It is aswell acclimated for attention wood, as a mothproofing agent, in press and dying textiles, and as an antibacterial in breweries.
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