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UN/NA 2503 · Zirconium tetrachloride
UN/NA 2503 · ERG 2024 · Guide 137
- UN/NA
- 2503
- Edition
- ERG 2024
ERG 2024 lists UN/NA 2503 (Zirconium tetrachloride) under Guide 137, titled “Substances - Water-Reactive - Corrosive”.
Material name
2503 on a placard, orange panel or shipping paper
It points to the ERG 2024 entry “Zirconium tetrachloride” and to Guide 137. On a numbered orange panel, 2503 is the lower number (how to read an orange panel).
ERG 2024 markings for 2503
2503 is not highlighted in green (no Table 1 entry), and its guide number 137 has no P.
Entries near 2503
By number (yellow pages): before 2503 come UN/NA 2498 1,2,3,6-Tetrahydrobenzaldehyde (Guide 129); UN/NA 2501 Tris-(1-aziridinyl)phosphine oxide, solution (Guide 152) and UN/NA 2502 Valeryl chloride (Guide 132); after it, UN/NA 2504 Acetylene tetrabromide (Guide 159); UN/NA 2505 Ammonium fluoride (Guide 154) and UN/NA 2506 Ammonium hydrogen sulfate (Guide 154).
By name (blue pages): “Zirconium tetrachloride” comes after Zirconium suspended in a flammable liquid (UN/NA 1308, Guide 170) and Zirconium suspended in a liquid (flammable) (UN/NA 1308, Guide 170) and before Zirconium, dry, coiled wire, finished metal sheets, strip (UN/NA 2858, Guide 170) and Zirconium, dry, finished sheets, strip or coiled wire (UN/NA 2009, Guide 135).
Other names starting with “Zirconium”: Zirconium hydride (UN/NA 1437, Guide 138); Zirconium nitrate (UN/NA 2728, Guide 140); Zirconium picramate, wetted with not less than 20% water (UN/NA 1517, Guide 113); Zirconium powder, dry (UN/NA 2008, Guide 135); Zirconium powder, wetted with not less than 25% water (UN/NA 1358, Guide 170) and Zirconium scrap (UN/NA 1932, Guide 135).
Guide 137 · Library
Guide 137 covers 32 UN/NA numbers. The 12 around 2503 in the guide’s number order: UN/NA 1715 Acetic anhydride; UN/NA 1834 Sulfuryl chloride; UN/NA 1836 Thionyl chloride; UN/NA 1838 Titanium tetrachloride; UN/NA 1939 Phosphorus oxybromide, solid; UN/NA 2443 Vanadium oxytrichloride; UN/NA 2444 Vanadium tetrachloride; UN/NA 2576 Phosphorus oxybromide, molten; UN/NA 2691 Phosphorus pentabromide; UN/NA 2798 Benzene phosphorus dichloride; UN/NA 2799 Benzene phosphorus thiodichloride; UN/NA 9206 Methyl phosphonic dichloride.
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.