49 CFR 172 Special Provision N5 (N-Codes)

These provisions apply only to non-bulk packagings.

Code	N5
Description	Glass materials of construction are not authorized for any part of a packaging which is normally in contact with the hazardous material.
HazMat with this Code	UN 1768 - Difluorophosphoric acid, 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 2546 - Titanium powder, dry UN 2008 - Zirconium powder, dry