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UN/NA 3337 · Refrigerant gas R-404A
UN/NA 3337 · ERG 2024 · Guide 126
- UN/NA
- 3337
- Edition
- ERG 2024
ERG 2024 lists UN/NA 3337 (Refrigerant gas R-404A) under Guide 126, titled “Gases - Compressed or Liquefied (Including Refrigerant Gases)”.
Material name
3337 on a placard, orange panel or shipping paper
It points to the ERG 2024 entry “Refrigerant gas R-404A” and to Guide 126. On a numbered orange panel, 3337 is the lower number (how to read an orange panel).
ERG 2024 markings for 3337
3337 is not highlighted in green (no Table 1 entry), and its guide number 126 has no P.
Entries near 3337
By number (yellow pages): before 3337 come UN/NA 3334 Aviation regulated liquid, n.o.s. (Guide 171); UN/NA 3335 Aviation regulated solid, n.o.s. (Guide 171) and UN/NA 3336 Mercaptan mixture, liquid, flammable, n.o.s. (Guide 130); after it, UN/NA 3338 Refrigerant gas R-407A (Guide 126); UN/NA 3339 Refrigerant gas R-407B (Guide 126) and UN/NA 3340 Refrigerant gas R-407C (Guide 126).
By name (blue pages): “Refrigerant gas R-404A” comes after Refrigerant gas R-218 (UN/NA 2424, Guide 126) and Refrigerant gas R-227 (UN/NA 3296, Guide 126) and before Refrigerant gas R-407A (UN/NA 3338, Guide 126) and Refrigerant gas R-407B (UN/NA 3339, Guide 126).
Other names starting with “Refrigerant”: Refrigerant gas R-142b (UN/NA 2517, Guide 115); Refrigerant gas R-143a (UN/NA 2035, Guide 115); Refrigerant gas R-152a (UN/NA 1030, Guide 115); Refrigerant gas R-161 (UN/NA 2453, Guide 115); Refrigerant gas R-500 (UN/NA 2602, Guide 126) and Refrigerant gas R-502 (UN/NA 1973, Guide 126).
Guide 126 · Library
Guide 126 covers 42 UN/NA numbers. The 12 around 3337 in the guide’s number order: UN/NA 1009 Bromotrifluoromethane; UN/NA 1018 Chlorodifluoromethane; UN/NA 3164 Articles, pressurized, hydraulic (containing non-flammable gas); UN/NA 3220 Pentafluoroethane; UN/NA 3296 Heptafluoropropane; UN/NA 3297 Ethylene oxide and chlorotetrafluoroethane mixture, with not more than 8.8% ethylene oxide; UN/NA 3298 Ethylene oxide and pentafluoroethane mixture, with not more than 7.9% ethylene oxide; UN/NA 3299 Ethylene oxide and tetrafluoroethane mixture, with not more than 5.6% ethylene oxide; UN/NA 3338 Refrigerant gas R-407A; UN/NA 3339 Refrigerant gas R-407B; UN/NA 3340 Refrigerant gas R-407C; UN/NA 3500 Chemical under pressure, n.o.s.
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.