H260

In contact with water releases flammable gases which may ignite spontaneously

Code: H260
Statement: In contact with water releases flammable gases which may ignite spontaneously
Hazard category: Physical
Grouping used on this site: Substances which in contact with water emit flammable gasesThis grouping is site metadata for search and navigation. The UNECE reference table lists code and statement only.
GHS revision: ST/SG/AC.10/30/Rev.10, Annex 3

Reference only. Not legal or regulatory advice. Verify against the primary source before you act.

H261 In contact with water releases flammable gas

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Sources

UN GHS Rev.10, Annex 3, Tables A3.1.1 to A3.1.3 (ST/SG/AC.10/30/Rev.10, English edition)

Published by the United Nations Economic Commission for Europe. Extracted from the official UNECE PDF on 2026-07-12.

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Data vintage

Data: GHS hazard statements (H-codes), United Nations Economic Commission for Europe (UNECE) ST/SG/AC.10/30/Rev.10, English edition (© 2023 United Nations), retrieved 2026-07-12, 98 codes.