What Am I? 12 – slightly delayed but now here!

Below I’ve listed the key chemicals found in a commonly available  product.  I’ve drawn the chemical structures of principal components where simple and appropriate; given the E number or CAS number (however tempting Sigma-Aldrich catalogue numbers would be) if no simple chemical structure exists for an additive; and given the chemical formulae or name if neither of the above make sense.  See if you can guess what this is!  If no one gets it within 24 hours, I will post a clue.


2 Replies to “What Am I? 12 – slightly delayed but now here!”

  1. Ferrous ammonium phosphate is an ingredient used in the food industry as a source of iron. The carbon is throwing me off.

  2. A fire extinguisher? Steel cylinder with ABC powder (which IIRC is mostly monoammonium phosphate) inside.

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