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UN/NA 3208 · Metallic substance, water-reactive, n.o.s.
UN/NA 3208 · ERG 2024 · Guide 138
- UN/NA
- 3208
- Edition
- ERG 2024
ERG 2024 lists UN/NA 3208 (Metallic substance, water-reactive, n.o.s.) under Guide 138, titled “Substances - Water-Reactive (Emitting Flammable Gases)”.
Material name
3208 on a placard, orange panel or shipping paper
It points to the ERG 2024 entry “Metallic substance, water-reactive, n.o.s.” and to Guide 138. On a numbered orange panel, 3208 is the lower number (how to read an orange panel).
ERG 2024 markings for 3208
3208 is not highlighted in green (no Table 1 entry), and its guide number 138 has no P.
Entries near 3208
By number (yellow pages): before 3208 come UN/NA 3200 Pyrophoric solid, inorganic, n.o.s. (Guide 135); UN/NA 3205 Alkaline earth metal alcoholates, n.o.s. (Guide 135) and UN/NA 3206 Alkali metal alcoholates, self-heating, corrosive, n.o.s. (Guide 136); after it, UN/NA 3209 Metallic substance, water-reactive, self-heating, n.o.s. (Guide 138); UN/NA 3210 Chlorates, inorganic, aqueous solution, n.o.s. (Guide 140) and UN/NA 3211 Perchlorates, inorganic, aqueous solution, n.o.s. (Guide 140).
By name (blue pages): “Metallic substance, water-reactive, n.o.s.” comes after Metal salts of organic compounds, flammable, n.o.s. (UN/NA 3181, Guide 133) and Metaldehyde (UN/NA 1332, Guide 133) and before Metallic substance, water-reactive, self-heating, n.o.s. (UN/NA 3209, Guide 138) and Methacrylaldehyde, stabilized (UN/NA 2396, Guide 131P).
Guide 138 · Library
Guide 138 covers 74 UN/NA numbers. The 12 around 3208 in the guide’s number order: UN/NA 3132 Water-reactive solid, flammable, n.o.s.; UN/NA 3133 Water-reactive solid, oxidizing, n.o.s.; UN/NA 3135 Water-reactive solid, self-heating, n.o.s.; UN/NA 3148 Water-reactive liquid, n.o.s.; UN/NA 3170 Aluminum dross; UN/NA 3171 Battery-powered equipment (with lithium metal batteries); UN/NA 3209 Metallic substance, water-reactive, self-heating, n.o.s.; UN/NA 3292 Batteries, containing metallic sodium or sodium alloy; UN/NA 3396 Organometallic substance, solid, water-reactive, flammable; UN/NA 3397 Organometallic substance, solid, water-reactive, self-heating; UN/NA 3399 Organometallic substance, liquid, water-reactive, flammable; UN/NA 3400 Organometallic substance, solid, self-heating.
Source: ERG 2024 (U.S. DOT PHMSA, Transport Canada, SICT Mexico), for the initial phase of a transportation incident only. Hazora is not an official ERG publication and is not affiliated with or endorsed by these or any other government agencies.