The mhchem Bundle 2021-12-31 containing - mhchem v4.09 - hpstatement v2.0.0 - rsphrase v3.11 The mhchem package provides commands for typesetting chemical molecular formulae and equations. The hpstatement package provides commands for the official hazard statements and precautionary statements (H and P statements) that are used to label chemicals. The rsphrase package provides commands for the official Risk and Safety (R and S) Phrases that are used to label chemicals. Copyright 2004-2021 Martin Hensel This work may be distributed and/or modified under the conditions of the LaTeX Project Public License version 1.3c which can be found at http://www.latex-project.org/lppl/lppl-1-3c.txt and is included as lppl-1-3c.txt.