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Hazard class 5.1

Class 5.1: Oxidizer

Materials that give up oxygen and can cause or intensify the burning of other materials. Below is every Class 5.1 entry in 49 CFR §172.101 that has a UN/NA number — 137 entries.

IDProper shipping nameClassPG
UN1438Aluminum nitrate5.1III
UN1439Ammonium dichromate5.1II
UN1442Ammonium perchlorate5.1II
UN1444Ammonium persulfate5.1III
UN1445Barium chlorate, solid5.1II
UN1446Barium nitrate5.1II
UN1447Barium perchlorate, solid5.1II
UN1448Barium permanganate5.1II
UN1449Barium peroxide5.1II
UN1450Bromates, inorganic, n.o.s5.1II
UN1451Cesium nitrate or Caesium nitrate5.1III
UN1452Calcium chlorate5.1II
UN1453Calcium chlorite5.1II
UN1454Calcium nitrate5.1III
UN1455Calcium perchlorate5.1II
UN1456Calcium permanganate5.1II
UN1457Calcium peroxide5.1II
UN1458Chlorate and borate mixtures5.1II
UN1459Chlorate and magnesium chloride mixture solid5.1II
UN1461Chlorates, inorganic, n.o.s5.1II
UN1462Chlorites, inorganic, n.o.s5.1II
UN1463Chromium trioxide, anhydrous5.1II
UN1465Didymium nitrate5.1III
UN1466Ferric nitrate5.1III
UN1467Guanidine nitrate5.1III
UN1469Lead nitrate5.1II
UN1470Lead perchlorate, solid5.1II
UN1471Lithium hypochlorite, dry or Lithium hypochlorite mixture5.1II
UN1472Lithium peroxide5.1II
UN1473Magnesium bromate5.1II
UN1474Magnesium nitrate5.1III
UN1475Magnesium perchlorate5.1II
UN1476Magnesium peroxide5.1II
UN1477Nitrates, inorganic, n.o.s.5.1II
UN1479Oxidizing solid, n.o.s.5.1I
UN1481Perchlorates, inorganic, n.o.s.5.1II
UN1482Permanganates, inorganic, n.o.s5.1II
UN1483Peroxides, inorganic, n.o.s5.1II
UN1484Potassium bromate5.1II
UN1485Potassium chlorate5.1II
UN1486Potassium nitrate5.1III
UN1487Potassium nitrate and sodium nitrite mixtures5.1II
UN1488Potassium nitrite5.1II
UN1489Potassium perchlorate5.1II
UN1490Potassium permanganate5.1II
UN1491Potassium peroxide5.1I
UN1492Potassium persulfate5.1III
UN1493Silver nitrate5.1II
UN1494Sodium bromate5.1II
UN1495Sodium chlorate5.1II
UN1496Sodium chlorite5.1II
UN1498Sodium nitrate5.1III
UN1499Sodium nitrate and potassium nitrate mixtures5.1III
UN1500Sodium nitrite5.1III
UN1502Sodium perchlorate5.1II
UN1503Sodium permanganate5.1II
UN1504Sodium peroxide5.1I
UN1505Sodium persulfate5.1III
UN1506Strontium chlorate5.1II
UN1507Strontium nitrate5.1III
UN1508Strontium perchlorate5.1II
UN1509Strontium peroxide5.1II
UN1511Urea hydrogen peroxide5.1III
UN1512Zinc ammonium nitrite5.1II
UN1513Zinc chlorate5.1II
UN1514Zinc nitrate5.1II
UN1515Zinc permanganate5.1II
UN1516Zinc peroxide5.1II
UN1745Bromine pentafluoride5.1I
UN1746Bromine trifluoride5.1I
UN1748Calcium hypochlorite, dry or Calcium hypochlorite mixture dry with more than 39% available chlorine (8.8% available oxygen)5.1II
UN1872Lead dioxide5.1III
UN1873Perchloric acid with more than 50 percent but not more than 72 percent acid, by mass5.1I
UN1942Ammonium nitrate, with not more than 0.2% combustible substances, including any organic substance calculated as carbon, to the exclusion of any other added substance5.1III
UN2014Hydrogen peroxide, aqueous solutions with more than 40 percent but not more than 60 percent hydrogen peroxide (stabilized as necessary)5.1II
UN2014Hydrogen peroxide, aqueous solutions with not less than 20 percent but not more than 40 percent hydrogen peroxide (stabilized as necessary)5.1II
UN2015Hydrogen peroxide, stabilized or Hydrogen peroxide aqueous solutions, stabilized with more than 60 percent hydrogen peroxide5.1I
UN2067Ammonium nitrate based fertilizer5.1III
UN2208Calcium hypochlorite mixture, dry, with more than 10% but not more than 39% available chlorine5.1III
UN2426Ammonium nitrate, liquid (hot concentrated solution)5.1—
UN2427Potassium chlorate, aqueous solution5.1II
UN2428Sodium chlorate, aqueous solution5.1II
UN2429Calcium chlorate aqueous solution5.1II
UN2464Beryllium nitrate5.1II
UN2465Dichloroisocyanuric acid, dry or Dichloroisocyanuric acid salts5.1II
UN2466Potassium superoxide5.1I
UN2468Trichloroisocyanuric acid, dry5.1II
UN2469Zinc bromate5.1III
UN2495Iodine pentafluoride5.1I
UN2547Sodium superoxide5.1I
UN2573Thallium chlorate5.1II
UN2626Chloric acid aqueous solution, with not more than 10 percent chloric acid5.1II
UN2627Nitrites, inorganic, n.o.s.5.1II
UN2719Barium bromate5.1II
UN2720Chromium nitrate5.1III
UN2721Copper chlorate5.1II
UN2722Lithium nitrate5.1III
UN2723Magnesium chlorate5.1II
UN2724Manganese nitrate5.1III
UN2725Nickel nitrate5.1III
UN2726Nickel nitrite5.1III
UN2728Zirconium nitrate5.1III
UN2741Barium hypochlorite with more than 22 percent available chlorine5.1II
UN2880Calcium hypochlorite, hydrated or Calcium hypochlorite, hydrated mixture, with not less than 5.5% but not more than 16% water5.1II
UN2984Hydrogen, peroxide, aqueous solutions with not less than 8 percent but less than 20 percent hydrogen peroxide (stabilized as necessary)5.1III
UN3085Oxidizing solid, corrosive, n.o.s5.1I
UN3087Oxidizing solid, toxic, n.o.s.5.1I
UN3098Oxidizing liquid, corrosive, n.o.s.5.1I
UN3099Oxidizing liquid, toxic, n.o.s5.1I
UN3100Oxidizing solid, self-heating, n.o.s.5.1I
UN3121Oxidizing solid, water reactive, n.o.s5.1I
UN3137Oxidizing solid, flammable, n.o.s5.1I
UN3139Oxidizing liquid, n.o.s5.1I
UN3149Hydrogen peroxide and peroxyacetic acid mixtures, stabilized with acids, water, and not more than 5 percent peroxyacetic acid5.1II
UN3210Chlorates, inorganic, aqueous solution, n.o.s5.1II
UN3211Perchlorates, inorganic, aqueous solution, n.o.s.5.1II
UN3212Hypochlorites, inorganic, n.o.s5.1II
UN3213Bromates, inorganic, aqueous solution, n.o.s5.1II
UN3214Permanganates, inorganic, aqueous solution, n.o.s5.1II
UN3215Persulfates, inorganic, n.o.s.5.1III
UN3216Persulfates, inorganic, aqueous solution, n.o.s5.1III
UN3218Nitrates, inorganic, aqueous solution, n.o.s.5.1II
UN3219Nitrites, inorganic, aqueous solution, n.o.s5.1II
UN3247Sodium peroxoborate, anhydrous5.1II
UN3356Oxygen generator, chemical (including when contained in associated equipment, e.g., passenger service units (PSUs), portable breathing equipment (PBE), etc)5.1—
UN3375Ammonium nitrate emulsion or Ammonium nitrate suspension or Ammonium nitrate gel, intermediate for blasting explosives5.1II
UN3377Sodium perborate monohydrate5.1III
UN3378Sodium carbonate peroxyhydrate5.1II
UN3405Barium chlorate, solution5.1II
UN3406Barium perchlorate, solution5.1II
UN3407Chlorate and magnesium chloride mixture solution5.1II
UN3408Lead perchlorate, solution5.1II
UN3485Calcium hypochlorite, dry, corrosive or Calcium hypochlorite mixture, dry, corrosive with more than 39% available chlorine (8.8% available oxygen)5.1II
UN3486Calcium hypochlorite mixture, dry, corrosive with more than 10% but not more than 39% available chlorine5.1III
UN3487Calcium hypochlorite, hydrated, corrosive or Calcium hypochlorite, hydrated mixture, corrosive with not less than 5.5% but not more than 16% water5.1II
UN3544Articles containing oxidizing substance, n.o.s.5.1—
NA9191Chlorine dioxide, hydrate, frozen5.1II
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Source: 49 CFR §172.101 via eCFR.gov, current as of Oct 23, 2026. Reference only.