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UN/NA 3221 · Self-reactive liquid type B
UN/NA 3221 · ERG 2024 · Guide 149
- UN/NA
- 3221
- Edition
- ERG 2024
ERG 2024 lists UN/NA 3221 (Self-reactive liquid type B) under Guide 149, titled “Substances (Self-Reactive)”.
Material name
3221 on a placard, orange panel or shipping paper
It points to the ERG 2024 entry “Self-reactive liquid type B” and to Guide 149. On a numbered orange panel, 3221 is the lower number (how to read an orange panel).
ERG 2024 markings for 3221
3221 is not highlighted in green (no Table 1 entry), and its guide number 149 has no P.
Entries near 3221
By number (yellow pages): before 3221 come UN/NA 3218 Nitrates, inorganic, aqueous solution, n.o.s. (Guide 140); UN/NA 3219 Nitrites, inorganic, aqueous solution, n.o.s. (Guide 140) and UN/NA 3220 Pentafluoroethane (Guide 126); after it, UN/NA 3222 Self-reactive solid type B (Guide 149); UN/NA 3223 Self-reactive liquid type C (Guide 149) and UN/NA 3224 Self-reactive solid type C (Guide 149).
By name (blue pages): “Self-reactive liquid type B” comes after Self-heating solid, toxic, inorganic, n.o.s. (UN/NA 3191, Guide 136) and Self-heating solid, toxic, organic, n.o.s. (UN/NA 3128, Guide 136) and before Self-reactive liquid type B, temperature controlled (UN/NA 3231, Guide 150) and Self-reactive liquid type C (UN/NA 3223, Guide 149).
Other names starting with “Self-reactive”: Self-reactive liquid type C, temperature controlled (UN/NA 3233, Guide 150); Self-reactive liquid type D (UN/NA 3225, Guide 149); Self-reactive liquid type D, temperature controlled (UN/NA 3235, Guide 150); Self-reactive liquid type E (UN/NA 3227, Guide 149); Self-reactive liquid type E, temperature controlled (UN/NA 3237, Guide 150) and Self-reactive liquid type F (UN/NA 3229, Guide 149).
Guide 149 · Library
Guide 149 covers 14 UN/NA numbers. The 12 around 3221 in the guide’s number order: UN/NA 2956 5-tert-Butyl-2,4,6-trinitro-m-xylene; UN/NA 3222 Self-reactive solid type B; UN/NA 3223 Self-reactive liquid type C; UN/NA 3224 Self-reactive solid type C; UN/NA 3225 Self-reactive liquid type D; UN/NA 3226 Self-reactive solid type D; UN/NA 3227 Self-reactive liquid type E; UN/NA 3229 Self-reactive liquid type F; UN/NA 3230 Self-reactive solid type F; UN/NA 3242 Azodicarbonamide; UN/NA 3531 Polymerizing substance, solid, stabilized, n.o.s.; UN/NA 3532 Polymerizing substance, liquid, stabilized, 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.