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Special Provisions
49 CFR 172 Special Provision A6 (A-Codes)
These provisions apply only to transportation by aircraft.
Code
A6
Description
For combination packagings, if plastic inner packagings are used, they must be packed in tightly closed metal receptacles before packing in outer packagings.
HazMat with this Code
UN 2258 - 1,2-Propylenediamine
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 1390 - Alkali metal amides
UN 3145 - Alkylphenols, liquid, n.o.s. (including C2-C12 homologues)
UN 1723 - Allyl iodide
UN 2734 - Amine, liquid, corrosive, flammable, n.o.s. or Polyamines, liquid, corrosive, flammable, n.o.s
UN 2735 - Amines, liquid, corrosive, n.o.s., or Polyamines, liquid, corrosive, n.o.s.
UN 1111 - Amyl mercaptan
UN 1732 - Antimony pentafluoride
UN 1739 - Benzyl chloroformate
UN 2347 - Butyl mercaptan
UN 1908 - Chlorite solution
UN 1758 - Chromium oxychloride
UN 2240 - Chromosulfuric acid
UN 3264 - Corrosive liquid, acidic, inorganic, n.o.s
UN 3265 - Corrosive liquid, acidic, organic, n.o.s
UN 3266 - Corrosive liquid, basic, inorganic, n.o.s
UN 3267 - Corrosive liquid, basic, organic, n.o.s.
UN 3301 - Corrosive liquid, self-heating, n.o.s.
UN 2920 - Corrosive liquids, flammable, n.o.s.
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 1889 - Cyanogen bromide
UN 1764 - Dichloroacetic acid
UN 1765 - Dichloroacetyl chloride
UN 1768 - Difluorophosphoric acid, anhydrous
UN 1903 - Disinfectant, liquid, corrosive, n.o.s.
UN 2801 - Dyes, liquid, corrosive, n.o.s. or Dye intermediates, liquid, corrosive, n.o.s
UN 2363 - Ethyl mercaptan
UN 1775 - Fluoroboric acid
UN 1776 - Fluorophosphoric acid anhydrous
UN 1778 - Fluorosilicic acid
UN 1777 - Fluorosulfonic acid
UN 1326 - Hafnium powder, wetted with not less than 25 percent water (a visible excess of water must be present) (a) mechanically produced, particle size less than 53 microns; (b) chemically produced, particle size less than 840 microns
UN 1782 - Hexafluorophosphoric acid
UN 2029 - Hydrazine, anhydrous
UN 1787 - Hydriodic acid
UN 1788 - Hydrobromic acid, with not more than 49 percent hydrobromic acid
UN 1789 - Hydrochloric acid
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 3149 - Hydrogen peroxide and peroxyacetic acid mixtures, stabilized with acids, water, and not more than 5 percent peroxyacetic acid
UN 2014 - Hydrogen peroxide, aqueous solutions with not less than 20 percent but not more than 40 percent hydrogen peroxide (stabilized as necessary)
UN 1228 - Mercaptans, liquid, flammable, toxic, n.o.s. or Mercaptan mixtures, liquid, flammable, toxic, n.o.s
UN 3071 - Mercaptans, liquid, toxic, flammable, n.o.s. or Mercaptan mixtures, liquid, toxic, flammable, n.o.s., flash point not less than 23 degrees C
UN 2054 - Morpholine
UN 2031 - Nitric acid other than red fuming with not more than 20 percent nitric acid
UN 2031 - Nitric acid other than red fuming, with at least 65 percent, but not more than 70 percent nitric acid
UN 2031 - Nitric acid other than red fuming, with more than 20 percent and less than 65 percent nitric acid
UN 2308 - Nitrosylsulfuric acid, liquid
UN 3098 - Oxidizing liquid, corrosive, n.o.s
UN 3139 - Oxidizing liquid, n.o.s
UN 3099 - Oxidizing liquid, toxic, n.o.s
UN 1808 - Phosphorus tribromide
UN 2402 - Propanethiols
UN 2879 - Selenium oxychloride
UN 1818 - Silicon tetrachloride
UN 2564 - Trichloroacetic acid, solution
UN 2699 - Trifluoroacetic acid
UN 2502 - Valeryl chloride
UN 2443 - Vanadium oxytrichloride
UN 2444 - Vanadium tetrachloride
UN 1701 - Xylyl bromide, liquid
UN 3417 - Xylyl bromide, solid
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