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AMBI®* (NH4HF2) is used for aluminium anodization, metal surface treatment, glass processing, building protection, mineral oil/ natural gas drilling, cleaning of industrial plants and in the electronic industry. Ammonium hydrogen fluoride is used in the the following applications:

Glass processing: for matt etching

Metal surface treatment: as essential component of bright digo baths for etching and cleaning of non-ferrous metal pieces

Mineral oil / natural gas drilling: as aid for drilling through silicate rocks

Cleaning of industrial plants: as component in cleaning and disinfecting solutions, e.g. in power stations

Building protection: as component in cleaning agents

*Goods labelled as “dual use” are subject to special controls and export restrictions in most countries. Before exporting such goods the exporter must apply for an appropriate export licence from the competent authority. For deliveries within the EU, for example, the seller must include an appropriate note in the commercial papers in accordance with article 22, paragraph 10, of the dual use regulation. 

CAS number Synonyms
Ammonium hydrogen fluoride, Ammonium hydrogen difluoride


Segments Applications
Surface Treatment Glass Treatment
Surface Treatment Metal Treatment

Chemical categories

Chemical category Chemical family Chemical product
Fluorinated chemicals & fluids Fluorinated compounds Ammonium hydrogen fluoride

Region of availability

  • Africa & Middle East
  • Asia Pacific
  • Europe
  • Latin America
  • North America

Download documents for AMBI® AMMONIUM BIFLUORIDE

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