Ammonium bifluoride

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Contents

Description

White, deliquescent crystals that are corrosive to most materials. Ammonium bifluoride is used as an etchant for glass and aluminum. It is also used to sterilizing brewing and dairy equipment.

Synonyms and Related Terms

ammonium acid fluoride; ammonium hydrogen fluoride; white acid

FTIR

AaiNH4F.jpg

Chemical structure

Ammonium bifluoride.jpg


Other Properties

Soluble in water, ethanol. pH=3.5

Composition NH4HF2
CAS 1341-49-7
Melting Point 124.6
Density 1.211
Molecular Weight mol. wt. = 57.04
Boiling Point 240

Hazards and Safety

Corrosive to skin, eyes and lungs. Toxic by ingestion.

Mallinckrodt Baker: MSDS 11/02/01

Sources Checked for Data in Record

  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 299
  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • Michael McCann, Artist Beware, Watson-Guptill Publications, New York City, 1979
  • Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 523

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