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ADR 2025 Reference Tool
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› Code 25
ADR code 25
Hazard identification number (Kemler) per ADR 2025.
oxidizing (fireintensifying) gas
Substances using code 25
UN 1070 — NITROUS OXIDE
UN 1072 — OXYGEN, COMPRESSED
UN 2451 — NITROGEN TRIFLUORIDE
UN 3156 — COMPRESSED GAS, OXIDIZING, N.O.S.
UN 3157 — LIQUEFIED GAS, OXIDIZING, N.O.S.