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GHS hazard pictograms
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<h2 id="physical-hazards-pictograms">Physical hazards pictograms</h2> <table><tbody><tr><th>Pictogram</th><th> </th><th>Usage</th></tr><tr><td></td><td rowspan="2"> </td><td rowspan="2"><ul><li>Unstable explosives</li><li>Explosives, divisions 1.1, 1.2, 1.3, 1.4, 1.5, 1.6</li><li>Self-reactive substances and mixtures, types A, B</li><li>Organic peroxides, types A, B</li></ul><p class="note">Further information: <a href="/facts/Explosive_material/sUme5Pp8">Explosive material</a></p>e.g. <a href="/facts/Azidoazide_azide/qLD3c5G9">azidoazide azide</a>, <a href="/facts/TNT/sADUt6nC">TNT</a>, <a href="/facts/Chromyl_chloride/RDvsSKyP">chromyl chloride</a>, <a href="/facts/Nitroglycerin/GUzdegnK">nitroglycerin</a></td></tr><tr><th>GHS01: Explosive</th></tr><tr><td></td><td rowspan="2"> </td><td rowspan="2"><ul><li>Flammable gases, category 1</li><li>Flammable aerosols, categories 1, 2</li><li>Flammable liquids, categories 1, 2, 3, 4</li><li>Flammable solids, categories 1, 2</li><li>Self-reactive substances and mixtures, types B, C, D, E, F</li><li>Pyrophoric liquids, category 1</li><li>Pyrophoric solids, category 1</li><li>Combustible solids, category 3</li><li>Combustible liquids, category 3</li><li>Self-heating substances and mixtures, categories 1, 2</li><li>Substances and mixtures, which in contact with water, emit flammable gases, categories 1, 2, 3</li><li>Organic peroxides, types B, C, D, E, F</li></ul><p class="note">Further information: <a href="/facts/Flammability/1QexTQ4T">Flammability</a></p>e.g. <a href="/facts/Acetone/cVyJxKqw">acetone</a>, <a href="/facts/Methanol/EIfpoNCg">methanol</a>, generally most solvents.</td></tr><tr><th>GHS02: Flammable</th></tr><tr><td></td><td rowspan="2"> </td><td rowspan="2"><ul><li>Oxidizing gases, category 1</li><li>Oxidizing liquids, categories 1, 2, 3</li><li>Oxidizing solids, categories 1, 2, 3</li></ul><p class="note">Further information: <a href="/facts/Oxidizing_agent/1FQzB8pQ">Oxidizing agent</a></p>e.g. <a href="/facts/Hydrogen_peroxide/vju6HBIc">hydrogen peroxide</a>, most <a href="/facts/Halogen/YeFgWHeA">halogens</a>, <a href="/facts/Potassium_permanganate/nyjjuDlo">potassium permanganate</a>, <a href="/facts/Nitric_acid/UDbwGp6s">nitric acid</a></td></tr><tr><th>GHS03: Oxidizing</th></tr><tr><td></td><td rowspan="2"> </td><td rowspan="2"><ul><li><a href="/facts/Compressed_gas/gtR6JXUe">Compressed gases</a></li><li><a href="/facts/Liquefied_gas/bHUThq0A">Liquefied gases</a></li><li><a href="/facts/Cryogenics/cw7dHAkp">Refrigerated liquefied gases</a></li><li><a href="/facts/Dissolved_gas/kLE9h3Jb">Dissolved gases</a></li><li>e.g. <a href="/facts/Liquid_nitrogen/IGWI1h00">liquid nitrogen</a>, <a href="/facts/Liquid_oxygen/qnI0KDTb">liquid oxygen</a>, <a href="/facts/Liquid_helium/JYXCAcDf">liquid helium</a></li></ul></td></tr><tr><th>GHS04: Compressed Gas</th></tr><tr><td></td><td rowspan="2"> </td><td rowspan="2"><ul><li>Corrosive to metals, category 1</li></ul><p class="note">Further information: <a href="/facts/Corrosive_substance/7LXjT1XE">Corrosive substance</a></p>Strong acids/bases (<a href="/facts/Nitric_acid/UDbwGp6s">nitric acid</a>, <a href="/facts/Sodium_hydroxide/xjtdYtq7">sodium hydroxide</a>), <a href="/facts/Calcium_oxide/Wh9C8l7j">calcium oxide</a>, <a href="/facts/Anhydrous/A7B0fDLE">anhydrous</a> <a href="/facts/Zinc_chloride/aYscGQL7">zinc chloride</a> can be corrosive</td></tr><tr><th>GHS05: Corrosive</th></tr><tr><td> </td><td rowspan="2"> </td><td rowspan="2"><ul><li>Explosives, divisions 1.5, 1.6</li><li>Flammable gases, category 2</li><li>Self-reactive substances and mixtures, type G (see <a href="/facts/HAZMAT_Class_4_Flammable_solids/BIqbuJwm">HAZMAT Class 4 Flammable solids</a>)</li><li><a href="/facts/Organic_peroxide/UAyyVaDU">Organic peroxides</a>, type G</li></ul></td></tr><tr><td>no pictogram required</td></tr></tbody></table> <h2 id="health-hazards-pictograms">Health hazards pictograms</h2> <table><tbody><tr><th>Pictogram</th><th> </th><th>Usage</th></tr><tr><td></td><td rowspan="2"> </td><td rowspan="2"><ul><li>Acute toxicity (oral, dermal, inhalation), categories 1, 2, 3</li><li>e.g. <a href="/facts/Manganese_heptoxide/L2vcJBJH">manganese heptoxide</a> (<a href="/facts/Fire_Diamond/7IgHH9Dv">fire diamond</a> rating at health hazard is 4)</li></ul></td></tr><tr><th>GHS06: Toxic</th></tr><tr><td></td><td rowspan="2"> </td><td rowspan="2"><ul><li>Acute toxicity (oral, dermal, inhalation), category 4</li><li>Skin irritation, categories 2, 3</li><li>Eye irritation, category 2A</li><li>Skin sensitization, category 1</li><li>Specific target organ toxicity following single exposure, category 3<ul><li>Respiratory tract irritation</li><li>Narcotic effects</li></ul></li></ul><p>Not used<a class="footnote-ref" id="fnref:3" href="#fn:3"><sup>3</sup></a></p><ul><li>with the "skull and crossbones" pictogram</li><li>for skin or eye irritation if:<ul><li>the "corrosion" pictogram also appears</li><li>the "health hazard" pictogram is used to indicate respiratory sensitization</li></ul></li></ul></td></tr><tr><th>GHS07: Health Hazard/Hazardous to Ozone Layer</th></tr><tr><td></td><td rowspan="2"> </td><td rowspan="2"><ul><li>Respiratory sensitization, category 1</li><li><a href="/facts/Germ_cell/1kY5KaR1">Germ cell</a> mutagenicity, categories 1A, 1B, 2</li><li>Carcinogenicity, categories 1A, 1B, 2</li><li>Reproductive toxicity, categories 1A, 1B, 2</li><li>Specific target organ toxicity following single exposure, categories 1, 2</li><li>Specific target organ toxicity following repeated exposure, categories 1, 2</li><li>Aspiration hazard, categories 1, 2</li><li>e.g. <a href="/facts/Chromium/6sVk6Uu7">chromium</a>, <a href="/facts/Cadmium/wXkV2eIX">cadmium</a></li></ul></td></tr><tr><th>GHS08: Serious Health hazard</th></tr><tr><td> </td><td rowspan="2"> </td><td rowspan="2"><ul><li>Acute toxicity (oral, dermal, inhalation), category 5</li><li>Eye irritation, category 2B</li><li>Reproductive toxicity – effects on or via lactation</li></ul></td></tr><tr><td>no pictogram required</td></tr></tbody></table> <h2 id="physical-and-health-hazard-pictograms">Physical and health hazard pictograms</h2> <p class="note">Further information: <a href="/facts/Corrosive_substance/7LXjT1XE">Corrosive substance</a></p> <table><tbody><tr><th>Pictogram</th><th> </th><th>Usage</th></tr><tr><td> </td><td rowspan="2"> </td><td rowspan="2"><ul><li>Explosives, divisions 1.5, 1.6</li><li>Flammable gases, category 2</li><li>Self-reactive substances and mixtures, type G (see <a href="/facts/HAZMAT_Class_4_Flammable_solids/BIqbuJwm">HAZMAT Class 4 Flammable solids</a>)</li><li><a href="/facts/Organic_peroxide/UAyyVaDU">Organic peroxides</a>, type G</li><li>Skin corrosion, categories 1A, 1B, 1C</li><li>Serious eye damage, category 1</li></ul></td></tr><tr><th>GHS05: Corrosive</th></tr></tbody></table> <h2 id="environmental-hazards-pictograms">Environmental hazards pictograms</h2> <table><tbody><tr><th>Pictogram</th><th> </th><th>Usage</th></tr><tr><td></td><td rowspan="2"> </td><td rowspan="2"><ul><li>Acute hazards to the aquatic environment, category 1</li><li>Chronic hazards to the aquatic environment, categories 1, 2</li></ul></td></tr><tr><th>GHS09: Hazardous to the Environment</th></tr><tr><td> </td><td rowspan="2"> </td><td rowspan="2"><ul><li>Acute hazards to the aquatic environment, categories 2, 3</li><li>Chronic hazards to the aquatic environment, categories 3, 4</li></ul></td></tr><tr><td>no pictogram required</td></tr></tbody></table> <h2 id="transport-pictograms">Transport pictograms</h2> <h3>Class 1: Explosives</h3> <table><tbody><tr><th>Pictogram</th><th> </th><th>Usage</th></tr><tr><td></td><td rowspan="2"> </td><td rowspan="2">ExplosivesDivision 1.1: Substances and articles which have a mass explosion hazardDivision 1.2: Substances and articles which have a projection hazard but not a mass explosion hazardDivision 1.3: Substances and articles which have a fire hazard and either a minor blast hazard or a minor projection hazard or both, but not a mass explosion hazard<p><i>Note</i>: The asterisks are replaced by the class number and compatibility code</p></td></tr><tr><th>Divisions 1.1–1.3</th></tr><tr><td></td><td rowspan="2"> </td><td rowspan="2"><p>Explosives – Substances and articles which are classified as explosives but which present no significant hazard</p><p>Note: The asterisk is replaced by the compatibility code</p></td></tr><tr><th>Division 1.4</th></tr><tr><td></td><td rowspan="2"> </td><td rowspan="2"><p>Explosives – Very insensitive substances which have a mass explosion hazard</p><p>Note: The asterisk is replaced by the compatibility code</p></td></tr><tr><th>Division 1.5</th></tr><tr><td></td><td rowspan="2"> </td><td rowspan="2"><p>Explosives – No hazard statement</p><p>Note: The asterisk is replaced by the compatibility code</p></td></tr><tr><th>Division 1.6</th></tr></tbody></table> <h3>Class 2: Gases</h3> <table><tbody><tr><th>Pictogram</th><th> </th><th>Usage</th></tr><tr><td></td><td rowspan="2"> </td><td rowspan="2"><p>Flammable gases – Gases which at 20 °C and a standard pressure of 101.3 kPa:</p><ul><li>are ignitable when in a mixture of 13 percent or less by volume with air; or</li><li>have a flammable range with air of at least 12 percentage points regardless of the lower flammable limit.</li></ul><p> Alternative sign</p></td></tr><tr><th>Division 2.1</th></tr><tr><td></td><td rowspan="2"> </td><td rowspan="2"><p>Non-flammable non-toxic gases – Gases which:</p><ul><li>are asphyxiant – gases which dilute or replace the oxygen normally in the atmosphere; or</li><li>are oxidizing – gases which may, generally by providing oxygen, cause or contribute to the combustion of other material more than air does; or</li><li>do not come under the other divisions.</li></ul><p> Alternative sign</p></td></tr><tr><th>Division 2.2</th></tr><tr><td></td><td rowspan="2"> </td><td rowspan="2"><p>Toxic gases – Gases which:</p><ul><li>are known to be so toxic or corrosive to humans as to pose a hazard to health; or</li><li>are presumed to be toxic or corrosive to humans because they have an LC50 value equal to or less than 5000 ml/m3 (ppm).</li></ul><p>e.g. <a href="/facts/Hydrogen_cyanide/vNtA0Mxe">hydrogen cyanide</a></p></td></tr><tr><th>Division 2.3</th></tr></tbody></table> <h3>Classes 3 and 4: Flammable liquids and solids</h3> <table><tbody><tr><th>Pictogram</th><th> </th><th>Usage</th></tr><tr><td></td><td rowspan="2"> </td><td rowspan="2"><p>Flammable liquids – Liquids which have a flash point of less than 60 °C and which are capable of sustaining combustion</p><p> Alternative sign</p></td></tr><tr><th>Class 3</th></tr><tr><td rowspan="2"></td><td rowspan="3"> </td></tr><tr><td rowspan="2"><p>Flammable solids, self-reactive substances and solid desensitized explosives – Solids which, under conditions encountered in transport, are readily combustible or may cause or contribute to fire through friction; self-reactive substances which are liable to undergo a strongly exothermic reaction; solid desensitized explosives which may explode if not diluted sufficiently</p></td></tr><tr><th>Division 4.1</th></tr><tr><td></td><td rowspan="2"> </td><td rowspan="2"><p>Substances liable to spontaneous combustion – Substances which are liable to spontaneous heating under normal conditions encountered in transport, or to heating up in contact with air, and being then liable to catch fire</p><p>e.g. <a href="/facts/Manganese_heptoxide/L2vcJBJH">manganese heptoxide</a></p></td></tr><tr><th>Division 4.2</th></tr><tr><td></td><td rowspan="2"> </td><td rowspan="2"><p>Substances which in contact with water emit flammable gases – Substances which, by interaction with water, are liable to become spontaneously flammable or to give off flammable gases in dangerous quantities</p><p> Alternative sign</p></td></tr><tr><th>Division 4.3</th></tr></tbody></table> <h3>Other GHS transport classes</h3> <table><tbody><tr><th>Pictogram</th><th> </th><th>Usage</th></tr><tr><td></td><td rowspan="2"> </td><td rowspan="2"><p>Oxidizing substances – Substances which, while in themselves not necessarily combustible, may, generally by yielding oxygen, cause, or contribute to, the combustion of other material</p></td></tr><tr><th>Division 5.1</th></tr><tr><td></td><td rowspan="2"> </td><td rowspan="2"><p>Organic peroxides – Organic substances which contain the bivalent –O–O– structure and may be considered derivatives of <a href="/facts/Hydrogen_peroxide/vju6HBIc">hydrogen peroxide</a>, where one or both of the hydrogen atoms have been replaced by organic radicals</p><p> Alternative sign</p></td></tr><tr><th>Division 5.2</th></tr><tr><td></td><td rowspan="2"> </td><td rowspan="2"><p>Toxic substances – Substances with an LD50 value ≤ 300 mg/kg (oral) or ≤ 1000 mg/kg (dermal) or an LC50 value ≤ 4000 ml/m3 (inhalation of dusts or mists)</p><p>e.g. nearly everything that contains <a href="/facts/Cyanide_Group/t0o8FMKI">cyanide groups</a></p></td></tr><tr><th>Division 6.1</th></tr><tr><td></td><td rowspan="2"> </td><td rowspan="2"><p>Corrosive substances – Substances which:</p><ul><li>cause full thickness destruction of intact skin tissue on exposure time of less than 4 hours; or</li><li>exhibit a corrosion rate of more than 6.25 mm per year on either steel or aluminium surfaces at 55 °C</li></ul></td></tr><tr><th>Class 8</th></tr></tbody></table> <h3>Non-GHS transport pictograms</h3> <p>The following pictograms are included in the UN Model Regulations[<i>which?</i>] but have not been incorporated into the GHS because of the nature of the hazards. </p> <table><tbody><tr><td></td><td></td><td></td><td></td><td></td><td></td></tr><tr><th>Class 6.2</th><th colspan="4">Class 7</th><th>Class 9</th></tr><tr><td>Infectious substances</td><td colspan="4">Radioactive material</td><td>Miscellaneous dangerous substances and articles</td></tr></tbody></table> <h2 id="see-also">See also</h2> <ul><li><a href="/facts/Globally_Harmonized_System_of_Classification_and_Labeling_of_Chemicals/zfNMjKPF">Globally Harmonized System of Classification and Labeling of Chemicals</a></li> <li><a href="/facts/Hazard_symbol/G04MUpru">Hazard symbol</a></li> <li><a href="/facts/HMIS_Color_Bar/lojwVkqh">HMIS Color Bar</a></li> <li><a href="/facts/Hazchem/Dhh3rpqk">Hazchem</a></li> <li><a href="/facts/Dangerous_goods/mfe6Yv43">Hazmat</a></li> <li><a href="/facts/NFPA_704/7IgHH9Dv">NFPA 704</a></li></ul> <h2 id="notes">Notes</h2> <ul><li><a href="https://unece.org/sites/default/files/2021-09/GHS_Rev9E_0.pdf#page=37">"Globally Harmonized System of Classification and Labelling of Chemicals"</a> (pdf). 2021. Annex 3: Codification of Statements and Pictograms (pp 268–385).</li></ul> <ul><li><a href="http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:2008:353:0001:1355:EN:PDF">"Regulation (EC) No 1272/2008 of the European Parliament and of the Council of 16 December 2008 on classification, labelling and packaging of substances and mixtures, amending and repealing Directives 67/548/EEC and 1999/45/EC, and amending Regulation (EC) No 1907/2006"</a>, <i><a href="/facts/Official_Journal_of_the_European_Communities/ApdYn5GH">OJCE</a></i> (L353): 1–1355, 2008-12-31 (the "CLP Regulation")</li> <li><a href="http://www.unece.org/trans/danger/publi/unrec/rev15/15files_e.html"><i>UN Recommendations on the Transport of Dangerous Goods. Model Regulations</i></a> (Fifteenth ed.), New York and Geneva: United Nations, 2007, <a href="/facts/ISBN_(identifier)/15AdSPa9">ISBN</a> 978-92-1-139120-6, ST/SG/AC.10/1/Rev.15 ("UN Model Regulations Rev.15")</li> <li><a href="http://www.unece.org/trans/danger/publi/manual/Rev4/ManRev4-files_e.html"><i>UN Recommendations on the Transport of Dangerous Goods. Manual of Tests and Criteria</i></a> (Fourth revised ed.), New York and Geneva: United Nations, 2002, <a href="/facts/ISBN_(identifier)/15AdSPa9">ISBN</a> 92-1-139087-7, ST/SG/AC.10/11/Rev.4 ("UN Manual of Tests and Criteria Rev.4")</li></ul> <h2 id="external-links">External links</h2> Wikimedia Commons has media related to GHS pictograms. <ul><li><a href="http://www.unece.org/trans/danger/publi/ghs/pictograms.html">GHS pictogram gallery</a> from the United Nations Economic Commission for Europe</li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>Part 1, section 1.4.10.5.1, GHS Rev.2 <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>Part 1, section 1.4.10.5.2, GHS Rev.2 <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>Part 1, section 1.4.10.5.3.1, GHS Rev.2 <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> </ol>