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Sal ammoniac or Salammoniac, is a rare naturally occurring mineral composed of ammonium chloride, NH₄Cl. It forms colorless, white, or yellow-brown crystals in the isometric-hexoctahedral class.
Sal ammoniac has also been used in the past in bakery products to give cookies or biscuits their crisp texture, but the application of food grade baking ammonia (ammonium carbonate) is generally being substituted with the creation of modern baking powder or baking soda (sodium bicarbonate). Sal ammoniac is known, inter alia, by its use in salmiac liquorice, for instance salty liquorice or salmiak pastilles. In addition, the mineral or better its synthetic counterpart also serves for the production of cooling baths as well as in the dyeing and leather tanning.

Triethylamine is the chemical compound with the formula N(CH???CH???)???, commonly abbreviated Et???N. It is also abbreviated TEA, yet this abbreviation must be used carefully to avoid confusion with triethanolamine or tetraethylammonium, for which TEA is also a common abbreviation.