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Ammonium hydrogen difluoride
![Ammonium hydrogen difluoride pure](/deepweb/assets/sigmaaldrich/product/structures/333/458/bbedd40a-7ceb-40f3-b2c8-3607375b5e04/640/bbedd40a-7ceb-40f3-b2c8-3607375b5e04.png)
Synonym(s):
Ammonium bifluoride, Etching powder
Linear Formula:
NH4HF2
CAS Number:
Molecular Weight:
57.04
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