Hazora · Library
UN/NA 2251 · Bicyclo[2.2.1]hepta-2,5-diene, stabilized
UN/NA 2251 · ERG 2024 · Guide 128
- UN/NA
- 2251
- Edition
- ERG 2024
ERG 2024 lists UN/NA 2251 (Bicyclo[2.2.1]hepta-2,5-diene, stabilized) under Guide 128, titled “Flammable Liquids (Water-Immiscible)”.
Material name
| Language | Material name | Guides |
|---|---|---|
| EN | Bicyclo[2.2.1]hepta-2,5-diene, stabilized | Guide 128P |
| EN | 2,5-Norbornadiene, stabilized | Guide 128P |
| ES | Biciclo[2.2.1]hepta-2,5-dieno, estabilizado | Guide 128P |
| ES | 2,5-Norbornadieno, estabilizado | Guide 128P |
| FR | Bicyclo[2.2.1] hepta-2,5 diène, stabilisé | Guide 128P |
| FR | Norbornadiène-2,5, stabilisé | Guide 128P |
2251 on a placard, orange panel or shipping paper
It can stand for either of two ERG 2024 entries: “Bicyclo[2.2.1]hepta-2,5-diene, stabilized” and “2,5-Norbornadiene, stabilized”. Both use Guide 128P, so the number alone is enough to find the guide. On a numbered orange panel, 2251 is the lower number (how to read an orange panel).
ERG 2024 markings for 2251
Every name under 2251 has guide number 128P; the P means the material may undergo violent polymerization.
2251 is not highlighted in green (no Table 1 entry).
Entries near 2251
By number (yellow pages): before 2251 come UN/NA 2248 Di-n-butylamine (Guide 132); UN/NA 2249 Dichlorodimethyl ether, symmetrical (Guide 131) and UN/NA 2250 Dichlorophenyl isocyanates (Guide 156); after it, UN/NA 2252 1,2-Dimethoxyethane (Guide 127); UN/NA 2253 N,N-Dimethylaniline (Guide 153) and UN/NA 2254 Matches, fusee (Guide 133).
By name (blue pages): “Bicyclo[2.2.1]hepta-2,5-diene, stabilized” comes after beta-Naphthylamine, solution (UN/NA 3411, Guide 153) and Bhusa, wet, damp or contaminated with oil (UN/NA 1327, Guide 133) and before Biological substance, category B (UN/NA 3373, Guide 158) and Bipyridilium pesticide, liquid, flammable, poisonous (UN/NA 2782, Guide 131).
By name (blue pages): “2,5-Norbornadiene, stabilized” comes after 2,4-Toluylenediamine, solid (UN/NA 1709, Guide 151) and 2,4-Toluylenediamine, solution (UN/NA 3418, Guide 151) and before 3-Bromopropyne (UN/NA 2345, Guide 130) and 3-Chloro-4-methylphenyl isocyanate, liquid (UN/NA 2236, Guide 156).
Guide 128 · Library
Guide 128 covers 83 UN/NA numbers. The 12 around 2251 in the guide’s number order: UN/NA 2222 Anisole; UN/NA 2241 Cycloheptane; UN/NA 2242 Cycloheptene; UN/NA 2245 Cyclopentanone; UN/NA 2246 Cyclopentene; UN/NA 2247 n-Decane; UN/NA 2263 Dimethylcyclohexanes; UN/NA 2271 Ethyl amyl ketone; UN/NA 2278 n-Heptene; UN/NA 2286 Pentamethylheptane; UN/NA 2287 Isoheptenes; UN/NA 2288 Isohexenes.
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.