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Shipping Classification

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Magnesium chlorate

Class 5.1 · UN2723

Magnesium diamide

Class 4.2 · UN2004

Magnesium dross, wet or hot

Forbidden

Magnesium fluorosilicate

Class 6.1 · UN2853

Magnesium granules, coated, particle size not less than 149 microns

Class 4.3 · UN2950

Magnesium hydride

Class 4.3 · UN2010

Magnesium nitrate

Class 5.1 · UN1474

Magnesium or Magnesium alloys with more than 50 percent magnesium in pellets, turnings or ribbons

Class 4.1 · UN1869

Magnesium perchlorate

Class 5.1 · UN1475

Magnesium peroxide

Class 5.1 · UN1476

Magnesium phosphide

Class 4.3 · UN2011

Magnesium silicide

Class 4.3 · UN2624

Magnesium, powder or Magnesium alloys, powder

Class 4.3 · UN1418

Maleic anhydride, molten

Class 8 · UN2215

Maneb or Maneb preparations with not less than 60 percent maneb

Class 4.2 · UN2210

Maneb stabilized or Maneb preparations, stabilized against self-heating

Class 4.3 · UN2968 · Marine Pollutant

Manganese nitrate

Class 5.1 · UN2724

Manganese resinate

Class 4.1 · UN1330

Mannitan tetranitrate

Forbidden

Mannitol hexanitrate (dry)

Forbidden

Mannitol hexanitrate, wetted or Nitromannite, wetted with not less than 40 percent water, or mixture of alcohol and water, by mass

Class 1.1D · UN0133

Matches, fusee

Class 4.1 · UN2254

Matches, safety (book, card or strike on box)

Class 4.1 · UN1944

Matches, strike anywhere

Class 4.1 · UN1331

Matches, wax, Vesta

Class 4.1 · UN1945

Medical waste, category A, affecting humans, solid or Medical waste, category A, affecting animals only, solid

Class 6.2 · UN3549

Medicine, liquid, flammable, toxic, n.o.s

Class 3 · UN3248

Medicine, liquid, toxic, n.o.s

Class 6.1 · UN1851

Medicine, solid, toxic, n.o.s

Class 6.1 · UN3249

Mercaptans, liquid, flammable, n.o.s. or Mercaptan mixture, liquid, flammable, n.o.s

Class 3 · UN3336

Mercaptans, liquid, flammable, toxic, n.o.s. or Mercaptan mixtures, liquid, flammable, toxic, n.o.s.

Class 3 · UN1228

Mercaptans, liquid, toxic, flammable, n.o.s. or Mercaptan mixtures, liquid, toxic, flammable, n.o.s., flash point not less than 23 degrees C

Class 6.1 · UN3071

Mercuric arsenate

Class 6.1 · UN1623 · Marine Pollutant

Mercuric chloride

Class 6.1 · UN1624 · Marine Pollutant

Mercuric potassium cyanide

Class 6.1 · UN1626 · Marine Pollutant

Mercurous azide

Forbidden

Mercury acetate

Class 6.1 · UN1629

Mercury acetylide

Forbidden

Mercury ammonium chloride

Class 6.1 · UN1630 · Marine Pollutant

Mercury based pesticides, liquid, flammable, toxic, flash point less than 23 degrees C

Class 3 · UN2778

Mercury based pesticides, liquid, toxic

Class 6.1 · UN3012 · Marine Pollutant

Mercury based pesticides, liquid, toxic, flammable, flash point not less than 23 degrees C

Class 6.1 · UN3011

Mercury based pesticides, solid, toxic

Class 6.1 · UN2777 · Marine Pollutant

Mercury benzoate

Class 6.1 · UN1631 · Marine Pollutant

Mercury bromides

Class 6.1 · UN1634 · Marine Pollutant

Mercury compound, liquid, n.o.s

Class 6.1 · UN2024

Mercury compound, solid, n.o.s

Class 6.1 · UN2025

Mercury contained in manufactured articles

Class 8 · UN3506

Mercury cyanide

Class 6.1 · UN1636 · Marine Pollutant

Mercury fulminate, wetted with not less than 20 percent water, or mixture of alcohol and water, by mass

Class 1.1A · UN0135

Mercury gluconate

Class 6.1 · UN1637 · Marine Pollutant

Mercury iodide

Class 6.1 · UN1638 · Marine Pollutant

Mercury iodide aquabasic ammonobasic (Iodide of Millon's base)

Forbidden

Mercury nitride

Forbidden

Mercury nucleate

Class 6.1 · UN1639 · Marine Pollutant

Mercury oleate

Class 6.1 · UN1640 · Marine Pollutant

Mercury oxide

Class 6.1 · UN1641 · Marine Pollutant

Mercury oxycyanide

Forbidden

Mercury oxycyanide, desensitized

Class 6.1 · UN1642 · Marine Pollutant

Mercury potassium iodide

Class 6.1 · UN1643 · Marine Pollutant

Mercury salicylate

Class 6.1 · UN1644 · Marine Pollutant

Mercury sulfates

Class 6.1 · UN1645 · Marine Pollutant

Mercury thiocyanate

Class 6.1 · UN1646 · Marine Pollutant

Mesityl oxide

Class 3 · UN1229

Metal carbonyls, liquid, n.o.s.

Class 6.1 · UN3281

Metal carbonyls, solid, n.o.s.

Class 6.1 · UN3466

Metal catalyst, dry

Class 4.2 · UN2881

Metal catalyst, wetted with a visible excess of liquid

Class 4.2 · UN1378

Metal hydrides, flammable, n.o.s

Class 4.1 · UN3182

Metal hydrides, water reactive, n.o.s

Class 4.3 · UN1409

Metal powder, self-heating, n.o.s

Class 4.2 · UN3189

Metal powders, flammable, n.o.s

Class 4.1 · UN3089

Metal salts of methyl nitramine (dry)

Forbidden

Metal salts of organic compounds, flammable, n.o.s

Class 4.1 · UN3181

Metaldehyde

Class 4.1 · UN1332

Metallic substance, water-reactive, n.o.s

Class 4.3 · UN3208

Metallic substance, water-reactive, self-heating, n.o.s

Class 4.3 · UN3209

Methacrylaldehyde, stabilized

Class 3 · UN2396

Methacrylic acid, stabilized

Class 8 · UN2531

Methacrylonitrile, stabilized

Class 6.1 · UN3079

Methallyl alcohol

Class 3 · UN2614

Methane, compressed or Natural gas, compressed (with high methane content)

Class 2.1 · UN1971

Methane, refrigerated liquid (cryogenic liquid) or Natural gas, refrigerated liquid (cryogenic liquid, with high methane content)

Class 2.1 · UN1972

Methanesulfonyl chloride

Class 6.1 · UN3246

Methazoic acid

Forbidden

Methoxymethyl isocyanate

Class 6.1 · UN2605

Methyl 2-chloropropionate

Class 3 · UN2933

Methyl acetate

Class 3 · UN1231

Methyl acetylene and propadiene mixtures, stabilized

Class 2.1 · UN1060

Methyl acrylate, stabilized

Class 3 · UN1919

Methyl allyl chloride

Class 3 · UN2554

Methyl bromide and ethylene dibromide mixtures, liquid

Class 6.1 · UN1647 · Marine Pollutant

Methyl bromoacetate

Class 6.1 · UN2643

Methyl butyrate

Class 3 · UN1237

Methyl chloride and methylene chloride mixtures

Class 2.1 · UN1912

Methyl chloride or Refrigerant gas R 40

Class 2.1 · UN1063

Methyl chloroacetate

Class 6.1 · UN2295

Methyl chloromethyl ether

Class 6.1 · UN1239

Methyl dichloroacetate

Class 6.1 · UN2299

Methyl ethyl ketone peroxide, in solution with more than 9 percent by mass active oxygen

Forbidden

Methyl fluoride, or Refrigerant gas R 41

Class 2.1 · UN2454

Methyl formate

Class 3 · UN1243

Methyl isobutyl carbinol

Class 3 · UN2053

Methyl isobutyl ketone peroxide, in solution with more than 9 percent by mass active oxygen

Forbidden

Methyl isopropenyl ketone, stabilized

Class 3 · UN1246

Methyl isothiocyanate

Class 6.1 · UN2477

Methyl isovalerate

Class 3 · UN2400

Methyl magnesium bromide, in ethyl ether

Class 4.3 · UN1928

Methyl methacrylate monomer, stabilized

Class 3 · UN1247

Methyl nitramine (dry)

Forbidden

Methyl nitrate

Forbidden

Methyl nitrite

Forbidden

Methyl orthosilicate

Class 6.1 · UN2606

Methyl phosphonic dichloride

Class 6.1 · NA9206

Methyl phosphonous dichloride, pyrophoric liquid

Class 6.1 · NA2845

Methyl picric acid (heavy metal salts of)

Forbidden

Methyl propionate

Class 3 · UN1248

Methyl propyl ether

Class 3 · UN2612

Methyl propyl ketone

Class 3 · UN1249

Methyl trichloroacetate

Class 6.1 · UN2533

Methyl trimethylol methane trinitrate

Forbidden

Methyl vinyl ketone, stabilized

Class 6.1 · UN1251

Methylal

Class 3 · UN1234

Methylamine dinitramine and dry salts thereof

Forbidden

Methylamine nitroform

Forbidden

Methylamine perchlorate (dry)

Forbidden

Methylamine, anhydrous

Class 2.1 · UN1061

Methylamine, aqueous solution

Class 3 · UN1235

Methylamyl acetate

Class 3 · UN1233

Methylchlorosilane

Class 2.3 · UN2534

Methylcyclohexane

Class 3 · UN2296 · Marine Pollutant

Methylcyclohexanols, flammable

Class 3 · UN2617

Methylcyclohexanone

Class 3 · UN2297

Methylcyclopentane

Class 3 · UN2298

Methyldichloroarsine

Class 6.1 · NA1556

Methyldichlorosilane

Class 4.3 · UN1242

Methylene glycol dinitrate

Forbidden

Methylhydrazine

Class 6.1 · UN1244

Methylpentadienes

Class 3 · UN2461

Methylphenyldichlorosilane

Class 8 · UN2437

Methyltetrahydrofuran

Class 3 · UN2536

Methyltrichlorosilane

Class 3 · UN1250

Mines with bursting charge

Class 1.2F · UN0294

Mines with bursting charge

Class 1.2F · UN0294

Mines with bursting charge

Class 1.2F · UN0294

Mines with bursting charge

Class 1.2F · UN0294

Model rocket motor

Class 1.4S · NA0323

Model rocket motor

Class 1.4S · NA0323

Molybdenum pentachloride

Class 8 · UN2508

Monochloroacetone (unstabilized)

Forbidden