Regulations last checked for updates: Feb 13, 2026

Title 46 - Shipping last revised: Jan 15, 2026
§ 188.10-23 - Corrosive liquids.

(a) This term includes those acids, alkaline caustic liquids, and other corrosive liquids which, when in contact with living tissues, will cause severe damage of such tissues, by chemical action; or in case of leakage, will materially damage or destroy other freight by chemical action, or are liable to cause fire when in contact with organic matter or with certain chemicals.

(b) A corrosive substance may be:

(1) Solid, such as iodine; or,

(2) Liquid, such as acids, or caustic soda solution; or,

(3) Gaseous, such as chlorine or sulfur dioxide.

authority: 6 U.S.C. 2103,2113,3306; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277, sec. 1-105; DHS Delegation No. 00170.1, Revision No. 01.4
source: CGFR 67-83, 33 FR 1113, Jan. 27, 1968, unless otherwise noted.
cite as: 46 CFR 188.10-23