ADR special provision 525
Inorganic cyanide solutions: PG I above 30 % cyanide ion, PG II above 3 % to 30 %, PG III above 0.3 % to 3 %.
Solutions of inorganic cyanides take their packing group from total cyanide ion content: more than 30 % is packing group I, more than 3 % up to 30 % is packing group II, and more than 0.3 % up to 3 % is packing group III.
| Value | Applies when |
|---|---|
| 30 % cyanide ion | above: PG I |
| 3 % cyanide ion | above, up to 30 %: PG II |
| 0.3 % cyanide ion | above, up to 3 %: PG III |
Carried by 3 Table A entries
Source: ADR 2025 (ECE/TRANS/352), Volume I, section 3.3.1, special provision 525, page 642.
Paraphrase in FreightUtils' own words, not the official text. Not yet reviewed.
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