Hazardous Materials Table
Every row of the U.S. Hazardous Materials Table, 49 CFR 172.101: proper shipping name, hazard class, identification number, packing group, labels, special provisions, packaging references and quantity limits.
| UN / NA number | Proper shipping name | Hazard class | Packing group | Label codes |
|---|---|---|---|---|
| — | Mercury nitride | Forbidden | [] | |
| UN1639 | Mercury nucleate | 6.1 | II | ["6.1"] |
| UN1640 | Mercury oleate | 6.1 | II | ["6.1"] |
| UN1641 | Mercury oxide | 6.1 | II | ["6.1"] |
| — | Mercury oxycyanide | Forbidden | [] | |
| UN1642 | Mercury oxycyanide, desensitized | 6.1 | II | ["6.1"] |
| UN1643 | Mercury potassium iodide | 6.1 | II | ["6.1"] |
| UN1644 | Mercury salicylate | 6.1 | II | ["6.1"] |
| UN1645 | Mercury sulfates | 6.1 | II | ["6.1"] |
| UN1646 | Mercury thiocyanate | 6.1 | II | ["6.1"] |
| UN1229 | Mesityl oxide | 3 | III | ["3"] |
| UN3281 | Metal carbonyls, liquid, n.o.s. | 6.1 | I | ["6.1"] |
| — | II | ["6.1"] | ||
| — | III | ["6.1"] | ||
| UN3466 | Metal carbonyls, solid, n.o.s. | 6.1 | I | ["6.1"] |
| — | II | ["6.1"] | ||
| — | III | ["6.1"] | ||
| UN2881 | Metal catalyst, dry | 4.2 | I | ["4.2"] |
| — | II | ["4.2"] | ||
| — | III | ["4.2"] | ||
| UN1378 | Metal catalyst, wetted with a visible excess of liquid | 4.2 | II | ["4.2"] |
| UN3182 | Metal hydrides, flammable, n.o.s | 4.1 | II | ["4.1"] |
| — | III | ["4.1"] | ||
| UN1409 | Metal hydrides, water reactive, n.o.s | 4.3 | I | ["4.3"] |
| — | II | ["4.3"] | ||
| UN3189 | Metal powder, self-heating, n.o.s | 4.2 | II | ["4.2"] |
| — | III | ["4.2"] | ||
| UN3089 | Metal powders, flammable, n.o.s | 4.1 | II | ["4.1"] |
| — | III | ["4.1"] | ||
| — | Metal salts of methyl nitramine (dry) | Forbidden | [] | |
| UN3181 | Metal salts of organic compounds, flammable, n.o.s | 4.1 | II | ["4.1"] |
| — | III | ["4.1"] | ||
| — | III | ["4.1"] | ||
| UN1332 | Metaldehyde | 4.1 | III | ["4.1"] |
| UN3208 | Metallic substance, water-reactive, n.o.s | 4.3 | I | ["4.3"] |
| — | II | ["4.3"] | ||
| — | III | ["4.3"] | ||
| UN3209 | Metallic substance, water-reactive, self-heating, n.o.s | 4.3 | I | ["4.3","4.2"] |
| — | II | ["4.3","4.2"] | ||
| — | III | ["4.3","4.2"] | ||
| UN2396 | Methacrylaldehyde, stabilized | 3 | II | ["3","6.1"] |
| UN2531 | Methacrylic acid, stabilized | 8 | II | ["8"] |
| UN3079 | Methacrylonitrile, stabilized | 6.1 | I | ["6.1","3"] |
| UN2614 | Methallyl alcohol | 3 | III | ["3"] |
| — | Methane and hydrogen, mixtures, see Hydrogen and methane, mixtures, etc | [] | ||
| UN1971 | Methane, compressed or Natural gas, compressed (with high methane content) | 2.1 | ["2.1"] | |
| UN1972 | Methane, refrigerated liquid (cryogenic liquid) or Natural gas, refrigerated liquid (cryogenic liquid, with high methane content) | 2.1 | ["2.1"] | |
| UN3246 | Methanesulfonyl chloride | 6.1 | I | ["6.1","8"] |
| UN1230 | Methanol | 3 | II | ["3","6.1"] |
| UN1230 | Methanol | 3 | II | ["3"] |
Sources
- eCFR Versioner full XML — 49 CFR Part 172, HMT — Office of the Federal Register / NARA · Cleared for reuse