49 CFR 172 Special Provision 19 (Numeric Codes)

These provisions are multi-modal and apply to bulk and non-bulk packagings.

Code	19
Description	For domestic transportation only, the identification number “UN1075” may be used in place of the identification number specified in column (4) of the §172.101 table. The identification number used must be consistent on package markings, shipping papers and emergency response information.
HazMat with this Code	UN 1011 - Butane see also Petroleum gases, liquefied UN 1012 - Butylene see also Petroleum gases, liquefied UN 1969 - Isobutane see also Petroleum gases, liquefied UN 1055 - Isobutylene see also Petroleum gases, liquefied UN 1978 - Propane, see also Petroleum gases, liquefied UN 1077 - Propylene see also Petroleum gases, liquefied