49 CFR 172 Special Provision B53 (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	B53
Description	Packagings must be made of either aluminum or steel.
HazMat with this Code	UN 3484 - Hydrazine aqueous solution, flammable with more than 37% hydrazine, by mass UN 2030 - Hydrazine aqueous solution, with more than 37% hydrazine, by mass UN 2029 - Hydrazine, anhydrous 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 2015 - Hydrogen peroxide, stabilized or Hydrogen peroxide aqueous solutions, stabilized with more than 60 percent hydrogen peroxide UN 2014 - Hydrogen, peroxide, aqueous solutions with more than 40 percent but not more than 60 percent hydrogen peroxide (stabilized as necessary) 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 2031 - Nitric acid other than red fuming, with more than 70 percent nitric acid

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