49 CFR 172 Special Provision B6 (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	B6
Description	Packagings shall be made of steel.
HazMat with this Code	UN 2535 - 4-Methylmorpholine or n-methylmorpholine UN 1724 - Allyltrichlorosilane, stabilized UN 1728 - Amyltrichlorosilane UN 1742 - Boron trifluoride acetic acid complex, liquid UN 3419 - Boron trifluoride acetic acid complex, solid UN 1747 - Butyltrichlorosilane UN 1753 - Chlorophenyltrichlorosilane UN 2240 - Chromosulfuric acid UN 1765 - Dichloroacetyl chloride UN 1766 - Dichlorophenyltrichlorosilane UN 1767 - Diethyldichlorosilane UN 1771 - Dodecyltrichlorosilane UN 1408 - Ferrosilicon with 30 percent or more but less than 90 percent silicon UN 1777 - Fluorosulfonic acid UN 1781 - Hexadecyltrichlorosilane UN 1784 - Hexyltrichlorosilane UN 2186 - Hydrogen chloride, refrigerated liquid UN 1792 - Iodine monochloride, solid UN 1242 - Methyldichlorosilane UN 1250 - Methyltrichlorosilane UN 2201 - Nitrous oxide, refrigerated liquid UN 1799 - Nonyltrichlorosilane UN 1800 - Octadecyltrichlorosilane UN 1801 - Octyltrichlorosilane UN 1804 - Phenyltrichlorosilane UN 1816 - Propyltrichlorosilane UN 1818 - Silicon tetrachloride UN 1834 - Sulfuryl chloride UN 1836 - Thionyl chloride UN 1305 - Vinyltrichlorosilane

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