This means it is only slightly harmful when dissolved in water. However, reactions with alkali metals, aluminum, mercury, fluorine or terpentine may increase the risk. Environmental risks may differ between iodine substances. The LD 50 value for rats (oral uptake) is about 14,000 mg/kg.
If you need to get it there fast, your best option is to use USPS's Priority Mail Express service! This is the fastest service offered by the USPS, with a guaranteed shipping time of 1 to 2 days, depending on the destination-or your money back!
How long mail takes is going to depend on many factors along the way. Many factors, indeed, though with regard to how long does priority mail take, the answer is, not long. In fact, the United States Postal Service says your package or envelope will arrive within two days.f, for instance, you take your letter to the post-office at ten am on a Tuesday and send it out priority mail, then that letter is going to see a sorting facility that very same day where it will be processed and put in the correct bin to get to the correct truck or plane the next day, or Wednesday in our example.