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UN/NA 3503 · Chemical under pressure, corrosive, n.o.s.
UN/NA 3503 · ERG 2024 · Guide 125
- UN/NA
- 3503
- Edition
- ERG 2024
ERG 2024 lists UN/NA 3503 (Chemical under pressure, corrosive, n.o.s.) under Guide 125, titled “Gases - Toxic and/or Corrosive”.
Material name
3503 on a placard, orange panel or shipping paper
It points to the ERG 2024 entry “Chemical under pressure, corrosive, n.o.s.” and to Guide 125. On a numbered orange panel, 3503 is the lower number (how to read an orange panel).
ERG 2024 markings for 3503
3503 is not highlighted in green (no Table 1 entry), and its guide number 125 has no P.
Entries near 3503
By number (yellow pages): before 3503 come UN/NA 3500 Chemical under pressure, n.o.s. (Guide 126); UN/NA 3501 Chemical under pressure, flammable, n.o.s. (Guide 115) and UN/NA 3502 Chemical under pressure, poisonous, n.o.s. (Guide 123); after it, UN/NA 3504 Chemical under pressure, flammable, poisonous, n.o.s. (Guide 119); UN/NA 3505 Chemical under pressure, flammable, corrosive, n.o.s. (Guide 118) and UN/NA 3506 Mercury contained in manufactured articles (Guide 172).
By name (blue pages): “Chemical under pressure, corrosive, n.o.s.” comes after Chemical sample, poisonous (UN/NA 3315, Guide 151) and Chemical sample, toxic (UN/NA 3315, Guide 151) and before Chemical under pressure, flammable, corrosive, n.o.s. (UN/NA 3505, Guide 118) and Chemical under pressure, flammable, n.o.s. (UN/NA 3501, Guide 115).
Other names starting with “Chemical”: Chemical kit (UN/NA 1760, Guide 154) and Chemical kit (UN/NA 3316, Guide 171).
Guide 125 · Library
Guide 125 covers 27 UN/NA numbers. The 12 around 3503 in the guide’s number order: UN/NA 1005 Ammonia, anhydrous; UN/NA 1008 Boron trifluoride; UN/NA 1043 Fertilizer, ammoniating solution, with free ammonia; UN/NA 1048 Hydrogen bromide, anhydrous; UN/NA 1050 Hydrogen chloride, anhydrous; UN/NA 1052 Hydrogen fluoride, anhydrous; UN/NA 2418 Sulfur tetrafluoride; UN/NA 2420 Hexafluoroacetone; UN/NA 3057 Trifluoroacetyl chloride; UN/NA 3304 Compressed gas, poisonous, corrosive, n.o.s.; UN/NA 3308 Liquefied gas, poisonous, corrosive, n.o.s.; UN/NA 3318 Ammonia solution, with more than 50% ammonia.
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.