49 CFR 172 Special Provision A7 (A-Codes)

These provisions apply only to transportation by aircraft.

Code	A7
Description	Steel packagings must be corrosion-resistant or have protection against corrosion.
HazMat with this Code	UN 2790 - Acetic acid solution, not less than 50 percent but not more than 80 percent acid, by mass UN 2789 - Acetic acid, glacial or Acetic acid solution, with more than 80 percent acid, by mass UN 1715 - Acetic anhydride UN 1717 - Acetyl chloride UN 3206 - Alkali metal alcoholates, self-heating, corrosive, n.o.s UN 1421 - Alkali metal alloys, liquid, n.o.s UN 1389 - Alkali metal amalgam, liquid UN 1390 - Alkali metal amides UN 3482 - Alkali metal dispersions, flammable or Alkaline earth metal dispersions, flammable UN 1391 - Alkali metal dispersions, or Alkaline earth metal dispersions UN 3205 - Alkaline earth metal alcoholates, n.o.s UN 1545 - Allyl isothiocyanate, stabilized UN 1724 - Allyltrichlorosilane, stabilized UN 1728 - Amyltrichlorosilane UN 1732 - Antimony pentafluoride UN 2741 - Barium hypochlorite with more than 22 percent available chlorine UN 2796 - Battery fluid, acid UN 1737 - Benzyl bromide UN 1738 - Benzyl chloride UN 1738 - Benzyl chloride unstabilized UN 2837 - Bisulfate, aqueous solution UN 1938 - Bromoacetic acid solution UN 3425 - Bromoacetic acid, solid UN 1747 - Butyltrichlorosilane UN 1748 - Calcium hypochlorite, dry or Calcium hypochlorite mixture dry with more than 39% available chlorine (8.8% available oxygen) UN 3485 - Calcium hypochlorite, dry, corrosive or Calcium hypochlorite mixture, dry, corrosive with more than 39% available chlorine (8.8% available oxygen) UN 1407 - Cesium or Caesium UN 1908 - Chlorite solution UN 1462 - Chlorites, inorganic, n.o.s UN 1751 - Chloroacetic acid, solid UN 1750 - Chloroacetic acid, solution UN 1753 - Chlorophenyltrichlorosilane UN 1758 - Chromium oxychloride UN 2240 - Chromosulfuric acid NA1760 - Compounds, cleaning liquid NA1760 - Compounds, tree killing, liquid or Compounds, weed killing, liquid UN 1760 - Corrosive liquids, n.o.s. UN 3093 - Corrosive liquids, oxidizing, n.o.s. UN 2922 - Corrosive liquids, toxic, n.o.s. UN 3094 - Corrosive liquids, water-reactive, n.o.s UN 1762 - Cyclohexenyltrichlorosilane UN 1763 - Cyclohexyltrichlorosilane UN 1764 - Dichloroacetic acid UN 1765 - Dichloroacetyl chloride UN 1766 - Dichlorophenyltrichlorosilane UN 1767 - Diethyldichlorosilane UN 1768 - Difluorophosphoric acid, anhydrous UN 1769 - Diphenyldichlorosilane UN 1903 - Disinfectant, liquid, corrosive, n.o.s. UN 1167 - Divinyl ether, stabilized UN 1771 - Dodecyltrichlorosilane UN 1183 - Ethyldichlorosilane UN 2435 - Ethylphenyldichlorosilane UN 1196 - Ethyltrichlorosilane UN 1775 - Fluoroboric acid UN 1776 - Fluorophosphoric acid anhydrous UN 1778 - Fluorosilicic acid UN 1777 - Fluorosulfonic acid UN 1781 - Hexadecyltrichlorosilane UN 1782 - Hexafluorophosphoric acid UN 1784 - Hexyltrichlorosilane UN 2029 - Hydrazine, anhydrous UN 1786 - Hydrofluoric acid and Sulfuric acid mixtures UN 1790 - Hydrofluoric acid, with more than 60 percent strength UN 1790 - Hydrofluoric acid, with not more than 60 percent strength UN 1791 - Hypochlorite solutions UN 2478 - Isocyanates, flammable, toxic, n.o.s. or Isocyanate solutions, flammable, toxic, n.o.s. flash point less than 23 degrees C UN 1415 - Lithium UN 3208 - Metallic substance, water-reactive, n.o.s UN 3209 - Metallic substance, water-reactive, self-heating, n.o.s UN 1242 - Methyldichlorosilane UN 1250 - Methyltrichlorosilane UN 1826 - Nitrating acid mixtures spent with not more than 50 percent nitric acid UN 1796 - Nitrating acid mixtures with more than 50 percent nitric acid UN 1796 - Nitrating acid mixtures with not more than 50 percent nitric acid UN 1826 - Nitrating acid mixtures, spent with more than 50 percent nitric acid UN 2308 - Nitrosylsulfuric acid, liquid UN 1799 - Nonyltrichlorosilane UN 1800 - Octadecyltrichlorosilane UN 1801 - Octyltrichlorosilane UN 1483 - Peroxides, inorganic, n.o.s UN 1804 - Phenyltrichlorosilane UN 1805 - Phosphoric acid solution UN 2691 - Phosphorus pentabromide UN 1806 - Phosphorus pentachloride UN 1807 - Phosphorus pentoxide UN 1808 - Phosphorus tribromide UN 2257 - Potassium UN 2509 - Potassium hydrogen sulfate UN 1422 - Potassium sodium alloys, liquid UN 1420 - Potassium, metal alloys, liquid UN 1277 - Propylamine UN 1816 - Propyltrichlorosilane UN 1423 - Rubidium UN 2879 - Selenium oxychloride UN 1906 - Sludge, acid UN 1428 - Sodium UN 2949 - Sodium hydrosulfide with not less than 25 percent water of crystallization UN 2318 - Sodium hydrosulfide, with less than 25 percent water of crystallization UN 1431 - Sodium methylate UN 1828 - Sulfur chlorides UN 1830 - Sulfuric acid with more than 51 percent acid UN 2796 - Sulfuric acid with not more than 51% acid UN 1831 - Sulfuric acid, fuming with less than 30 percent free sulfur trioxide UN 1832 - Sulfuric acid, spent UN 2749 - Tetramethylsilane UN 1940 - Thioglycolic acid UN 1837 - Thiophosphoryl chloride UN 2869 - Titanium trichloride mixtures UN 1839 - Trichloroacetic acid UN 2564 - Trichloroacetic acid, solution UN 2699 - Trifluoroacetic acid UN 1298 - Trimethylchlorosilane UN 1511 - Urea hydrogen peroxide UN 2502 - Valeryl chloride UN 2443 - Vanadium oxytrichloride UN 2444 - Vanadium tetrachloride UN 1305 - Vinyltrichlorosilane UN 1701 - Xylyl bromide, liquid UN 3417 - Xylyl bromide, solid

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