Hazora · Library
UN/NA 1239 · Methyl chloromethyl ether
UN/NA 1239 · ERG 2024 · Guide 131
- UN/NA
- 1239
- Edition
- ERG 2024
ERG 2024 lists UN/NA 1239 (Methyl chloromethyl ether) under Guide 131, titled “Flammable Liquids - Toxic”.
Material name
1239 on a placard, orange panel or shipping paper
It points to the ERG 2024 entry “Methyl chloromethyl ether” and to Guide 131. On a numbered orange panel, 1239 is the lower number (how to read an orange panel).
ERG 2024 markings for 1239
1239 is highlighted in green, so ERG 2024 Table 1 (Initial Isolation and Protective Action Distances) has an entry for it: “Methyl chloromethyl ether”. Hazora shows those distances in the app, not on this page. Its guide number 131 has no P.
Entries near 1239
By number (yellow pages): before 1239 come UN/NA 1235 Methylamine, aqueous solution (Guide 132); UN/NA 1237 Methyl butyrate (Guide 129) and UN/NA 1238 Methyl chloroformate (Guide 155); after it, UN/NA 1242 Methyldichlorosilane (Guide 139); UN/NA 1243 Methyl formate (Guide 129) and UN/NA 1244 Methylhydrazine (Guide 131).
By name (blue pages): “Methyl chloromethyl ether” comes after Methyl chloroacetate (UN/NA 2295, Guide 131) and Methyl chloroformate (UN/NA 1238, Guide 155) and before Methyl dichloroacetate (UN/NA 2299, Guide 156) and Methyl ethyl ether (UN/NA 1039, Guide 115).
Other names starting with “Methyl”: Methyl bromoacetate (UN/NA 2643, Guide 153); Methyl chloride (UN/NA 1063, Guide 115); Methyl chloride and methylene chloride mixture (UN/NA 1912, Guide 115); Methyl ethyl ketone (UN/NA 1193, Guide 127); Methyl fluoride (UN/NA 2454, Guide 115) and Methyl iodide (UN/NA 2644, Guide 151).
Guide 131 · Library
Guide 131 covers 105 UN/NA numbers. The 12 around 1239 in the guide’s number order: UN/NA 1163 Dimethylhydrazine, unsymmetrical; UN/NA 1184 Ethylene dichloride; UN/NA 1185 Ethyleneimine, stabilized; UN/NA 1194 Ethyl nitrite, solution; UN/NA 1228 Mercaptan mixture, liquid, flammable, poisonous, n.o.s.; UN/NA 1230 Methanol; UN/NA 1244 Methylhydrazine; UN/NA 1251 Methyl vinyl ketone, stabilized; UN/NA 1259 Nickel carbonyl; UN/NA 1545 Allyl isothiocyanate, stabilized; UN/NA 1569 Bromoacetone; UN/NA 1695 Chloroacetone, stabilized.
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.