Pressurized to 100 lbs, NH3 is a liquid. Left to air pressure, it converts itself to a gas. This conversion uses a _lot_ of heat, or in effect refrigerates everything around it to really cold where the liquid changes to a gas. So, it can be a liquid, or a gas, depending on pressure. It is not in any way, shape, or form toxic. Not at all. However it very, very, very much wants to combine with water - any & all water, lots of water. It really wants to combine with water. So either the liquid or gas will harm you, scaring your lungs, eyes, skin as it sucks the water out of you. It certainly is dangerous in a concentrated liquid or gas - very dangerous. It will freeze you with the cold issue, and it will have the effect of burning & scaring you as it combines with the water in you. But it is wrong to say it is _toxic_. It is not. The dye will not make the meth useless, but it will make it traceable. I'm sure farmers & fert plant workers will pick up some of the dye if it is strong enough to last through the meth lab process. Sudafed tablets are also a needed ingredient for meth - and we can't even get those off the open store shelves. Ask druggests about the shelves being stolen bare.... But, farmers need to pay for this dye stuff in thousdands of gallons of NH3. Seems fair, right? --->Paul
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