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UN/NA 2547 · Sodium superoxide
UN/NA 2547 · ERG 2024 · Guide 143
- UN/NA
- 2547
- Edition
- ERG 2024
ERG 2024 lists UN/NA 2547 (Sodium superoxide) under Guide 143, titled “Oxidizers (Unstable)”.
Material name
2547 on a placard, orange panel or shipping paper
It points to the ERG 2024 entry “Sodium superoxide” and to Guide 143. On a numbered orange panel, 2547 is the lower number (how to read an orange panel).
ERG 2024 markings for 2547
2547 is not highlighted in green (no Table 1 entry), and its guide number 143 has no P.
Entries near 2547
By number (yellow pages): before 2547 come UN/NA 2542 Tributylamine (Guide 153); UN/NA 2545 Hafnium powder, dry (Guide 135) and UN/NA 2546 Titanium powder, dry (Guide 135); after it, UN/NA 2548 Chlorine pentafluoride (Guide 124); UN/NA 2552 Hexafluoroacetone hydrate, liquid (Guide 151) and UN/NA 2554 Methylallyl chloride (Guide 130P).
By name (blue pages): “Sodium superoxide” comes after Sodium sulphide, hydrated, with not less than 30% water (UN/NA 1849, Guide 153) and Sodium sulphide, with less than 30% water of crystallization (UN/NA 1385, Guide 135) and before Solids containing corrosive liquid, n.o.s. (UN/NA 3244, Guide 154) and Solids containing flammable liquid, n.o.s. (UN/NA 3175, Guide 133).
Other names starting with “Sodium”: Sodium permanganate (UN/NA 1503, Guide 140); Sodium peroxide (UN/NA 1504, Guide 144); Sodium peroxoborate, anhydrous (UN/NA 3247, Guide 140); Sodium persulphate (UN/NA 1505, Guide 140); Sodium phosphide (UN/NA 1432, Guide 139) and Sodium picramate, wetted with not less than 20% water (UN/NA 1349, Guide 113).
Guide 143 · Library
Guide 143 covers 14 UN/NA numbers. The 12 around 2547 in the guide’s number order: UN/NA 1442 Ammonium perchlorate; UN/NA 1462 Chlorites, inorganic, n.o.s.; UN/NA 1467 Guanidine nitrate; UN/NA 1472 Lithium peroxide; UN/NA 1496 Sodium chlorite; UN/NA 1509 Strontium peroxide; UN/NA 1510 Tetranitromethane; UN/NA 1516 Zinc peroxide; UN/NA 1873 Perchloric acid, with more than 50% but not more than 72% acid; UN/NA 2015 Hydrogen peroxide, aqueous solution, stabilized, with more than 60% hydrogen peroxide; UN/NA 2466 Potassium superoxide; UN/NA 9191 Chlorine dioxide, hydrate, frozen.
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.