Guide 156 · ERG 2024

Guides

156

UN/NA

65

Edition

ERG 2024

In ERG 2024, Guide 156 is titled “Substances - Toxic and/or Corrosive (Combustible/Water-Sensitive)”.

Guide 156 covers 65 UN/NA numbers and 74 material names in ERG 2024. None of them carries the letter P (156P). 28 are highlighted in green and listed in Table 1: UN/NA 1541 (Acetone cyanohydrin, stabilized); UN/NA 1595 (Dimethyl sulfate); UN/NA 1716 (Acetyl bromide); UN/NA 1728 (Amyltrichlorosilane); UN/NA 1752 (Chloroacetyl chloride); UN/NA 1753 (Chlorophenyltrichlorosilane); UN/NA 1762 (Cyclohexenyltrichlorosilane); UN/NA 1763 (Cyclohexyltrichlorosilane); UN/NA 1765 (Dichloroacetyl chloride); UN/NA 1766 (Dichlorophenyltrichlorosilane); UN/NA 1769 (Diphenyldichlorosilane); UN/NA 1771 (Dodecyltrichlorosilane); UN/NA 1781 (Hexadecyltrichlorosilane); UN/NA 1784 (Hexyltrichlorosilane); UN/NA 1799 (Nonyltrichlorosilane); UN/NA 1800 (Octadecyltrichlorosilane); UN/NA 1801 (Octyltrichlorosilane); UN/NA 1804 (Phenyltrichlorosilane); UN/NA 1898 (Acetyl iodide); UN/NA 2434 (Dibenzyldichlorosilane); UN/NA 2435 (Ethylphenyldichlorosilane); UN/NA 2437 (Methylphenyldichlorosilane); UN/NA 2442 (Trichloroacetyl chloride); UN/NA 2474 (Thiophosgene); UN/NA 2987 (Chlorosilanes, corrosive, n.o.s.); UN/NA 3246 (Methanesulfonyl chloride); UN/NA 3361 (Chlorosilanes, poisonous, corrosive, n.o.s.) and UN/NA 9263 (Chloropivaloyl chloride). 23 appear in Table 2 as water-reactive materials that produce toxic gases: UN/NA 1541 (Acetone cyanohydrin, stabilized: HCN); UN/NA 1716 (Acetyl bromide: HBr); UN/NA 1728 (Amyltrichlorosilane: HCl); UN/NA 1752 (Chloroacetyl chloride: HCl); UN/NA 1753 (Chlorophenyltrichlorosilane: HCl); UN/NA 1762 (Cyclohexenyltrichlorosilane: HCl); UN/NA 1763 (Cyclohexyltrichlorosilane: HCl); UN/NA 1765 (Dichloroacetyl chloride: HCl); UN/NA 1766 (Dichlorophenyltrichlorosilane: HCl); UN/NA 1769 (Diphenyldichlorosilane: HCl); UN/NA 1771 (Dodecyltrichlorosilane: HCl); UN/NA 1781 (Hexadecyltrichlorosilane: HCl); UN/NA 1784 (Hexyltrichlorosilane: HCl); UN/NA 1799 (Nonyltrichlorosilane: HCl); UN/NA 1800 (Octadecyltrichlorosilane: HCl); UN/NA 1801 (Octyltrichlorosilane: HCl); UN/NA 1804 (Phenyltrichlorosilane: HCl); UN/NA 1898 (Acetyl iodide: HI); UN/NA 2434 (Dibenzyldichlorosilane: HCl); UN/NA 2435 (Ethylphenyldichlorosilane: HCl); UN/NA 2437 (Methylphenyldichlorosilane: HCl); UN/NA 2987 (Chlorosilanes, corrosive, n.o.s.: HCl) and UN/NA 3361 (Chlorosilanes, poisonous, corrosive, n.o.s.: HCl).

The Spanish edition (GRE 2024) titles this guide “Sustancias - Tóxicas y/o Corrosivas (combustibles / susceptibles al agua)”, and the French edition (GMU 2024) “Substances - Toxiques et/ou Corrosives (combustibles/sensibles à l’eau)”.

Source: ERG 2024 (U.S. DOT PHMSA, Transport Canada, SICT Mexico), for the initial phase of a transportation incident only. Hazora is not an official ERG publication and is not affiliated with or endorsed by these or any other government agencies.