Hazora · Library
UN/NA 1251 · Methyl vinyl ketone, stabilized
UN/NA 1251 · ERG 2024 · Guide 131
- UN/NA
- 1251
- Edition
- ERG 2024
ERG 2024 lists UN/NA 1251 (Methyl vinyl ketone, stabilized) under Guide 131, titled “Flammable Liquids - Toxic”.
Material name
| Language | Material name | Guides |
|---|---|---|
| EN | Methyl vinyl ketone, stabilized | Guide 131P |
| ES | Metilvinilcetona, estabilizada | Guide 131P |
| FR | Méthylvinylcétone, stabilisée | Guide 131P |
1251 on a placard, orange panel or shipping paper
It points to the ERG 2024 entry “Methyl vinyl ketone, stabilized” and to Guide 131P. On a numbered orange panel, 1251 is the lower number (how to read an orange panel).
ERG 2024 markings for 1251
In the ERG 2024 lists, “Methyl vinyl ketone, stabilized” has guide number 131P; the P means the material may undergo violent polymerization.
1251 is highlighted in green, so ERG 2024 Table 1 (Initial Isolation and Protective Action Distances) has an entry for it: “Methyl vinyl ketone, stabilized”. Hazora shows those distances in the app, not on this page.
Entries near 1251
By number (yellow pages): before 1251 come UN/NA 1248 Methyl propionate (Guide 129); UN/NA 1249 Methyl propyl ketone (Guide 127) and UN/NA 1250 Methyltrichlorosilane (Guide 155); after it, UN/NA 1259 Nickel carbonyl (Guide 131); UN/NA 1261 Nitromethane (Guide 129) and UN/NA 1262 Isooctane (Guide 128).
By name (blue pages): “Methyl vinyl ketone, stabilized” comes after Methyl trichloroacetate (UN/NA 2533, Guide 156) and Methyl valeraldehyde (alpha) (UN/NA 2367, Guide 130) and before Methylacetylene and propadiene mixture, stabilized (UN/NA 1060, Guide 116P) and Methylal (UN/NA 1234, Guide 127).
Other names starting with “Methyl”: Methyl nitrite (UN/NA 2455, Guide 116); Methyl orthosilicate (UN/NA 2606, Guide 155); Methyl phosphonic dichloride (UN/NA 9206, Guide 137); Methyl phosphonous dichloride (UN/NA 2845, Guide 135); Methyl propyl ether (UN/NA 2612, Guide 127) and Methyl tert-butyl ether (UN/NA 2398, Guide 127).
Guide 131 · Library
Guide 131 covers 105 UN/NA numbers. The 12 around 1251 in the guide’s number order: 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 1239 Methyl chloromethyl ether; UN/NA 1244 Methylhydrazine; UN/NA 1259 Nickel carbonyl; UN/NA 1545 Allyl isothiocyanate, stabilized; UN/NA 1569 Bromoacetone; UN/NA 1695 Chloroacetone, stabilized; UN/NA 1891 Ethyl bromide; UN/NA 1921 Propyleneimine, 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.