UN 2426 Ammonium nitrate, liquid, hot concentrated aqueous solution, 80 % < conc. <= 93 % ADN 2025 (Shortinfo)

(1) Ammonium nitrate hot concentrated solutions can be carried under this entry provided: (a) The solution contains not more than 93 % ammonium nitrate; (b) The solution contains at least 7 % water; (c) The solution contains not more than 0.2 % combustible material; (d) The solution contains no chlorine compounds in quantities such that the chloride ion level exceeds 0.02 %; (e) The pH of an aqueous solution of 10 % of the substance is between 5 and 7, measured at 25 ºC; and (f) The maximum allowable carriage temperature of the solution is 140 ºC (2) Additionally, ammonium nitrate hot concentrate solutions are not subject to ADN provided: (a) The solution contains not more than 80 % ammonium nitrate; (b) The solution contains not more than 0.2 % combustible material; (c) The ammonium nitrate remains in solution under all conditions of carriage; and (d) The solution does not meet the criteria of any other class.

For each member of the crew, a pair of protective goggles, a pair of protective gloves, a protective suit and a suitable pair of protective shoes (or protective boots, if necessary). On bord tank vessels, protective boots are required in all cases.