49 CFR 172 Special Provision B77 (B-Codes)

These provisions apply only to bulk packagings. Except as otherwise provided in this subchapter, these special provisions do not apply to UN portable tanks or IBCs.

Code	B77
Description	Other packaging are authorized when approved by the Associate Administrator.
HazMat with this Code	UN 1541 - Acetone cyanohydrin, stabilized UN 1092 - Acrolein, stabilized UN 1098 - Allyl alcohol UN 1752 - Chloroacetyl chloride UN 1143 - Crotonaldehyde or Crotonaldehyde, stabilized UN 2488 - Cyclohexyl isocyanate UN 1595 - Dimethyl sulfate UN 1162 - Dimethyldichlorosilane UN 2382 - Dimethylhydrazine, symmetrical UN 1067 - Dinitrogen tetroxide UN 1037 - Ethyl chloride UN 1036 - Ethylamine UN 1605 - Ethylene dibromide UN 1185 - Ethyleneimine, stabilized UN 2646 - Hexachlorocyclopentadiene UN 1613 - Hydrocyanic acid, aqueous solutions or Hydrogen cyanide, aqueous solutions with not more than 20 percent hydrogen cyanide UN 1051 - Hydrogen cyanide, stabilized with less than 3 percent water UN 1052 - Hydrogen fluoride, anhydrous UN 1994 - Iron pentacarbonyl UN 2407 - Isopropyl chloroformate UN 1242 - Methyldichlorosilane UN 1244 - Methylhydrazine UN 1250 - Methyltrichlorosilane UN 2485 - n-Butyl isocyanate UN 2740 - n-Propyl chloroformate UN 1975 - Nitric oxide and dinitrogen tetroxide mixturesor Nitric oxide and nitrogen dioxide mixtures UN 1660 - Nitric oxide, compressed UN 2487 - Phenyl isocyanate UN 2337 - Phenyl mercaptan UN 1810 - Phosphorous oxychloride UN 1809 - Phosphorus trichloride UN 3413 - Potassium cyanide solution UN 1680 - Potassium cyanide, solid UN 3414 - Sodium cyanide solution UN 1689 - Sodium cyanide, solid UN 1828 - Sulfur chlorides UN 1829 - Sulfur trioxide, stabilized UN 1831 - Sulfuric acid, fuming with 30 percent or more free sulfur trioxide UN 1834 - Sulfuryl chloride UN 1838 - Titanium tetrachloride UN 1298 - Trimethylchlorosilane

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