UN 1835 Tetramethylammonium hydroxide, aqueous solution, conc. <= 2.5 % ADN 2025 (Shortinfo)

This entry applies only to aqueous solutions comprised of water, tetramethylammonium hydroxide (TMAH), and no more than 1 % of other constituents. Other formulations containing tetramethylammonium hydroxide shall be assigned to an appropriate generic or N.O.S. entry (e.g., UN No. 2927, TOXIC LIQUID, CORROSIVE, ORGANIC, N.O.S.), except as follows: (a) Other formulations containing a surfactant in a concentration > 1 % and with not less than 8.75 % tetramethylammonium hydroxide shall be assigned to UN No. 2927, TOXIC LIQUID, CORROSIVE, ORGANIC, N.O.S., PG I; and (b) Other formulations containing a surfactant in a concentration > 1 % and with more than 2.38 % but less than 8.75 % tetramethylammonium hydroxide shall be assigned to UN No. 2927, TOXIC LIQUID, CORROSIVE, ORGANIC, N.O.S., PG II.

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.

A suitable escape device for each person on bord.