Hazora · Library
UN/NA 3520 · Chlorine, adsorbed
UN/NA 3520 · ERG 2024 · Guide 173
- UN/NA
- 3520
- Edition
- ERG 2024
ERG 2024 lists UN/NA 3520 (Chlorine, adsorbed) under Guide 173, titled “Adsorbed Gases - Toxic*”.
Material name
3520 on a placard, orange panel or shipping paper
It points to the ERG 2024 entry “Chlorine, adsorbed” and to Guide 173. On a numbered orange panel, 3520 is the lower number (how to read an orange panel).
ERG 2024 markings for 3520
3520 is highlighted in green, so ERG 2024 Table 1 (Initial Isolation and Protective Action Distances) has an entry for it: “Chlorine, adsorbed”. Hazora shows those distances in the app, not on this page. Its guide number 173 has no P.
Entries near 3520
By number (yellow pages): before 3520 come UN/NA 3517 Adsorbed gas, poisonous, flammable, corrosive, n.o.s. (Guide 173); UN/NA 3518 Adsorbed gas, poisonous, oxidizing, corrosive, n.o.s. (Guide 173) and UN/NA 3519 Boron trifluoride, adsorbed (Guide 173); after it, UN/NA 3521 Silicon tetrafluoride, adsorbed (Guide 173); UN/NA 3522 Arsine, adsorbed (Guide 173) and UN/NA 3523 Germane, adsorbed (Guide 173).
By name (blue pages): “Chlorine, adsorbed” comes after Chlorine pentafluoride (UN/NA 2548, Guide 124) and Chlorine trifluoride (UN/NA 1749, Guide 124) and before Chlorite solution (UN/NA 1908, Guide 154) and Chlorites, inorganic, n.o.s. (UN/NA 1462, Guide 143).
Other names starting with “Chlorine”: Chlorine (UN/NA 1017, Guide 124) and Chlorine dioxide, hydrate, frozen (UN/NA 9191, Guide 143).
Guide 173 · Library
Guide 173 covers 14 UN/NA numbers. The 12 around 3520 in the guide’s number order: UN/NA 3514 Adsorbed gas, poisonous, flammable, n.o.s.; UN/NA 3515 Adsorbed gas, poisonous, oxidizing, n.o.s.; UN/NA 3516 Adsorbed gas, poisonous, corrosive, n.o.s.; UN/NA 3517 Adsorbed gas, poisonous, flammable, corrosive, n.o.s.; UN/NA 3518 Adsorbed gas, poisonous, oxidizing, corrosive, n.o.s.; UN/NA 3519 Boron trifluoride, adsorbed; UN/NA 3521 Silicon tetrafluoride, adsorbed; UN/NA 3522 Arsine, adsorbed; UN/NA 3523 Germane, adsorbed; UN/NA 3524 Phosphorus pentafluoride, adsorbed; UN/NA 3525 Phosphine, adsorbed; UN/NA 3526 Hydrogen selenide, adsorbed.
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.