Hazard identification numbers

The number shown in the top half of the orange plate, decoded digit by digit. These codes appear in Table A column 20; ADR sets them out in section 5.3.2.3 of ADR 2025 (ECE/TRANS/352). 94 codes are in use, 0 reviewed. Each meaning below is a paraphrase in FreightUtils' own words, not the official text.

• 60 · 432 rows
  Hazard identification number 60 on the orange plate: toxic or slightly toxic substance.
• 80 · 216 rows
  Hazard identification number 80 on the orange plate: corrosive or slightly corrosive substance.
• 33 · 212 rows
  Hazard identification number 33 on the orange plate: highly flammable liquid (flash-point below 23 °C).
• 30 · 148 rows
  HIN 30 (orange plate): flammable liquid, flash-point 23-60 °C; molten flammable matter heated to its flash-point (>60 °C); or self-heating liquid.
• 50 · 114 rows
  Hazard identification number 50 on the orange plate: oxidizing (fire-intensifying) substance.
• 66 · 109 rows
  Hazard identification number 66 on the orange plate: highly toxic substance.
• 40 · 108 rows
  Hazard identification number 40 on the orange plate: flammable solid, a self-reactive substance, a self-heating substance or a polymerizing substance.
• 336 · 67 rows
  Hazard identification number 336 on the orange plate: highly flammable liquid that is also toxic.
• 663 · 60 rows
  Hazard identification number 663 on the orange plate: highly toxic substance that is flammable (flash-point not above 60 °C).
• 20 · 48 rows
  Hazard identification number 20 on the orange plate: asphyxiant gas, or a gas with no subsidiary hazard.
• 423 · 46 rows
  Hazard identification number 423 on the orange plate: solid, flammable solid or self-heating solid that gives off flammable gas on contact with water.
• 63 · 44 rows
  Hazard identification number 63 on the orange plate: toxic substance that is also flammable (flash-point 23-60 °C).
• 23 · 42 rows
  Hazard identification number 23 on the orange plate: flammable gas.
• 338 · 35 rows
  Hazard identification number 338 on the orange plate: highly flammable liquid that is also corrosive.
• X80 · 28 rows
  Hazard identification number X80 on the orange plate: corrosive or slightly corrosive substance that reacts dangerously with water.
• 86 · 23 rows
  Hazard identification number 86 on the orange plate: corrosive or slightly corrosive substance that is also toxic.
• 88 · 22 rows
  Hazard identification number 88 on the orange plate: highly corrosive substance.
• 56 · 20 rows
  Hazard identification number 56 on the orange plate: oxidizing (fire-intensifying) substance that is also toxic.
• 263 · 20 rows
  Hazard identification number 263 on the orange plate: toxic gas that is also flammable.
• 70 · 19 rows
  Hazard identification number 70 on the orange plate: radioactive material.
• 38 · 18 rows
  HIN 38 (orange plate): a flammable liquid (flash-point 23-60 °C) that is slightly corrosive, or a self-heating liquid that is corrosive.
• 68 · 18 rows
  Hazard identification number 68 on the orange plate: toxic substance that is also corrosive.
• 83 · 18 rows
  Hazard identification number 83 on the orange plate: corrosive or slightly corrosive substance that is also flammable (flash-point 23-60 °C).
• 90 · 16 rows
  Hazard identification number 90 on the orange plate: environmentally hazardous substance, or a miscellaneous dangerous substance.
• 339 · 16 rows
  Hazard identification number 339 on the orange plate: highly flammable liquid able to lead spontaneously to a violent reaction.
• 268 · 15 rows
  Hazard identification number 268 on the orange plate: toxic gas that is also corrosive.
• 668 · 15 rows
  Hazard identification number 668 on the orange plate: highly toxic substance that is also corrosive.
• X423 · 14 rows
  HIN X423 (orange plate): solid, flammable solid or self-heating solid that reacts dangerously with water, giving off flammable gas.
• 36 · 13 rows
  Hazard identification number 36 on the orange plate: a flammable liquid (flash-point 23-60 °C) that is slightly toxic, or a self-heating liquid that is toxic.
• 239 · 12 rows
  Hazard identification number 239 on the orange plate: flammable gas able to lead spontaneously to a violent reaction.
• 46 · 11 rows
  Hazard identification number 46 on the orange plate: flammable or self-heating solid that is also toxic.
• 48 · 11 rows
  Hazard identification number 48 on the orange plate: flammable or self-heating solid that is also corrosive.
• X323 · 11 rows
  Hazard identification number X323 on the orange plate: flammable liquid that reacts dangerously with water, giving off flammable gas.
• X338 · 11 rows
  Hazard identification number X338 on the orange plate: highly flammable, corrosive liquid that reacts dangerously with water.
• 22 · 9 rows
  Hazard identification number 22 on the orange plate: refrigerated liquefied gas that is asphyxiant.
• 26 · 9 rows
  Hazard identification number 26 on the orange plate: toxic gas.
• 58 · 9 rows
  Hazard identification number 58 on the orange plate: oxidizing (fire-intensifying) substance that is also corrosive.
• 265 · 9 rows
  Hazard identification number 265 on the orange plate: toxic gas that is also oxidizing (fire-intensifying).
• 886 · 9 rows
  Hazard identification number 886 on the orange plate: highly corrosive substance that is also toxic.
• 39 · 7 rows
  Hazard identification number 39 on the orange plate: flammable liquid able to lead spontaneously to a violent reaction.
• X88 · 7 rows
  Hazard identification number X88 on the orange plate: highly corrosive substance that reacts dangerously with water.
• 43 · 6 rows
  Hazard identification number 43 on the orange plate: pyrophoric (spontaneously flammable) solid.
• 223 · 6 rows
  Hazard identification number 223 on the orange plate: refrigerated liquefied gas that is flammable.
• 323 · 6 rows
  Hazard identification number 323 on the orange plate: flammable liquid that gives off flammable gas on contact with water.
• 623 · 6 rows
  Hazard identification number 623 on the orange plate: toxic liquid that gives off flammable gas on contact with water.
• 25 · 5 rows
  Hazard identification number 25 on the orange plate: oxidizing (fire-intensifying) gas.
• 333 · 5 rows
  Hazard identification number 333 on the orange plate: pyrophoric liquid.
• 606 · 5 rows
  Hazard identification number 606 on the orange plate: infectious substance.
• 638 · 5 rows
  Hazard identification number 638 on the orange plate: toxic substance that is flammable (flash-point 23-60 °C) and also corrosive.
• 665 · 5 rows
  Hazard identification number 665 on the orange plate: highly toxic substance that is oxidizing (fire-intensifying).
• 883 · 5 rows
  Hazard identification number 883 on the orange plate: highly corrosive substance that is also flammable (flash-point 23-60 °C).
• 885 · 5 rows
  Hazard identification number 885 on the orange plate: highly corrosive substance that is oxidizing (fire-intensifying).
• 44 · 4 rows
  Hazard identification number 44 on the orange plate: flammable solid carried molten at an elevated temperature.
• 64 · 4 rows
  Hazard identification number 64 on the orange plate: toxic solid that is flammable or self-heating.
• 85 · 4 rows
  Hazard identification number 85 on the orange plate: corrosive or slightly corrosive substance that is oxidizing (fire-intensifying).
• 225 · 4 rows
  Hazard identification number 225 on the orange plate: refrigerated liquefied gas that is oxidizing (fire-intensifying).
• 462 · 4 rows
  Hazard identification number 462 on the orange plate: toxic solid that gives off flammable gas on contact with water.
• 539 · 4 rows
  Hazard identification number 539 on the orange plate: flammable organic peroxide.
• 568 · 4 rows
  Hazard identification number 568 on the orange plate: oxidizing (fire-intensifying) substance that is both toxic and corrosive.
• X83 · 4 rows
  HIN X83 (orange plate): corrosive or slightly corrosive substance, flammable (flash-point 23-60 °C), that reacts dangerously with water.
• 65 · 3 rows
  Hazard identification number 65 on the orange plate: toxic substance that is oxidizing (fire-intensifying).
• 84 · 3 rows
  Hazard identification number 84 on the orange plate: corrosive solid that is flammable or self-heating.
• 99 · 3 rows
  Hazard identification number 99 on the orange plate: miscellaneous dangerous substance carried at an elevated temperature.
• 382 · 3 rows
  Hazard identification number 382 on the orange plate: corrosive flammable liquid that gives off flammable gas on contact with water.
• 642 · 3 rows
  Hazard identification number 642 on the orange plate: toxic solid that gives off flammable gas on contact with water.
• 664 · 3 rows
  Hazard identification number 664 on the orange plate: highly toxic solid that is flammable or self-heating.
• 884 · 3 rows
  Hazard identification number 884 on the orange plate: highly corrosive solid that is flammable or self-heating.
• X668 · 3 rows
  Hazard identification number X668 on the orange plate: highly toxic, corrosive substance that reacts dangerously with water.
• 69 · 2 rows
  Hazard identification number 69 on the orange plate: toxic or slightly toxic substance able to lead spontaneously to a violent reaction.
• 362 · 2 rows
  Hazard identification number 362 on the orange plate: toxic flammable liquid that gives off flammable gas on contact with water.
• 368 · 2 rows
  Hazard identification number 368 on the orange plate: flammable liquid that is both toxic and corrosive.
• 482 · 2 rows
  Hazard identification number 482 on the orange plate: corrosive solid that gives off flammable gas on contact with water.
• 559 · 2 rows
  Hazard identification number 559 on the orange plate: strongly oxidizing (fire-intensifying) substance able to lead spontaneously to a violent reaction.
• 639 · 2 rows
  HIN 639 (orange plate): toxic substance, flammable with a flash-point not above 60 °C, able to lead spontaneously to a violent reaction.
• 768 · 2 rows
  Hazard identification number 768 on the orange plate: radioactive material that is both toxic and corrosive.
• 823 · 2 rows
  Hazard identification number 823 on the orange plate: corrosive liquid that gives off flammable gas on contact with water.
• 842 · 2 rows
  Hazard identification number 842 on the orange plate: corrosive solid that gives off flammable gas on contact with water.
• X333 · 2 rows
  Hazard identification number X333 on the orange plate: pyrophoric liquid that reacts dangerously with water.
• X886 · 2 rows
  Hazard identification number X886 on the orange plate: highly corrosive, toxic substance that reacts dangerously with water.
• 28 · 1 row
  Hazard identification number 28 on the orange plate: corrosive gas.
• 59 · 1 row
  Hazard identification number 59 on the orange plate: oxidizing (fire-intensifying) substance able to lead spontaneously to a violent reaction.
• 89 · 1 row
  Hazard identification number 89 on the orange plate: corrosive or slightly corrosive substance able to lead spontaneously to a violent reaction.
• 238 · 1 row
  Hazard identification number 238 on the orange plate: flammable gas that is also corrosive.
• 446 · 1 row
  Hazard identification number 446 on the orange plate: toxic flammable solid carried molten at an elevated temperature.
• 558 · 1 row
  Hazard identification number 558 on the orange plate: strongly oxidizing (fire-intensifying) substance that is also corrosive.
• 669 · 1 row
  Hazard identification number 669 on the orange plate: highly toxic substance able to lead spontaneously to a violent reaction.
• 836 · 1 row
  Hazard identification number 836 on the orange plate: corrosive or slightly corrosive substance that is flammable (flash-point 23-60 °C) and also toxic.
• 839 · 1 row
  HIN 839 (orange plate): corrosive or slightly corrosive substance, flammable (flash-point 23-60 °C), able to lead spontaneously to a violent reaction.
• 856 · 1 row
  Hazard identification number 856 on the orange plate: corrosive or slightly corrosive substance that is oxidizing (fire-intensifying) and also toxic.
• X362 · 1 row
  Hazard identification number X362 on the orange plate: toxic flammable liquid that reacts dangerously with water, giving off flammable gas.
• X382 · 1 row
  Hazard identification number X382 on the orange plate: corrosive flammable liquid that reacts dangerously with water, giving off flammable gas.
• X432 · 1 row
  Hazard identification number X432 on the orange plate: pyrophoric solid that reacts dangerously with water, giving off flammable gas.
• X482 · 1 row
  Hazard identification number X482 on the orange plate: solid that reacts dangerously with water, giving off corrosive gas.
• X839 · 1 row
  HIN X839 (orange plate): corrosive or slightly corrosive, flammable (flash-point 23-60 °C), violent-reaction risk, reacts dangerously with water.