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Author: Subject: Monoammonium Phosphate OTC
hodges
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[*] posted on 9-12-2019 at 19:11
Monoammonium Phosphate OTC


I see at this time of year (in the US), toy retailers are selling crystal growing kits as a STEM activity. The salt used for growing the crystals is monoammonium phosphate, (NH4)(H2PO4). The kits range from about $8 to $15 in price, with the $15 ones containing as much half a pound of this chemical.

Seems this should be a convenient source for someone looking for a phosphate salt. It can also be decomposed fairly readily to phosphoric acid (above 200 degrees C), though this would likely require distillation apparatus and a fume hood.
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Ubya
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[*] posted on 10-12-2019 at 03:50


probably it can be bought cheaper as a fertilizer.

i'm actually trying to get a few kg of it from a dry powder fire extinguisher (ABC powder)





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j_sum1
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[*] posted on 10-12-2019 at 05:04


Dunno if this is helpful...
https://www.ebay.com/itm/Monoammonium-Phosphate-MAP-100-Pure...
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