{"Abbreviation":[],"Aliases":["P-XYLENE","1,4-Dimethylbenzene","1,4-Xylene","p-Methyltoluene","p-Dimethylbenzene","p-Xylol","Benzene, 1,4-dimethyl-","4-Xylene","4-Methyltoluene","Chromar","Scintillar","1,4-Dimethylbenzol","paraxylene","203-396-5","p-Xylene-α,α'-13C2","Xylene, p-","Benzene, p-dimethyl-","p-Xylenes","Xylene, p-isomer","PXY","CCRIS 910","AI3-52255","1,4-dimethyl benzene","1,4-dimethyl-benzene","4-XYLENE"],"Biological Half-Life":"Elimination half-times from fat were estimated to be 2-7 hr.","Boiling Point":"280.9 °","CAS":"106-42-3","ChEBI":"CHEBI:27417","ChEMBL":"CHEMBL31561","ChemicalClasses":["alkylbenzene"],"Chirality":"achiral","Classes":["Dissociative","N-Methyl-D-aspartic acid receptor antagonist","Antinicotinic"],"Color/Form":"Colorless plates or prisms at low temp","Decomposition":"When heated to decomposition it emits acrid smoke and irritating fumes.","Density":"0.861 at 68 °F (USCG, 1999) - Less dense than water; will float g/cm\u003csup\u003e3\u003c/sup\u003e","EINECS":"203-396-5","Erowid Experience Reports":[],"Esters":[],"European Community (EC) Number":"203-396-5","Flash Point":"81 °F (NTP, 1992)","Formating":[],"HMDB ID":"HMDB0059924","HeavyAtomCount":8,"IUPACName":"1,4-xylene","InChI":"InChI=1S/C8H10/c1-7-3-5-8(2)6-4-7/h3-6H,1-2H3","InChIKey":"URLKBWYHVLBVBO-UHFFFAOYSA-N","Melting Point":"55.9 °","MolecularFormula":"C\u003csub\u003e8\u003c/sub\u003eH\u003csub\u003e10\u003c/sub\u003e","MolecularWeight":"106.16 g/mol","Odor":"Sweet","Physical Description":"P-xylene appears as a colorless watery liquid with a sweet odor. Less dense than water. Insoluble in water. Irritating vapor. Freezing point is 56 °F. (USCG, 1999)","PubChemId":7809,"RefCount":2,"RefCur":"","References":[{"Name":"Wikipedia","Urls":[{"Link":"https://en.wikipedia.org/wiki/Vinclozolin","Name":"Para-Xylene","Sub":false}]},{"Name":"PubChem","Urls":[{"Link":"https://pubchem.ncbi.nlm.nih.gov/compound/7809","Name":"Para-Xylene","Sub":false}]},{"Name":"ChEMBL","Urls":[{"Link":"https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL31561","Name":"Para-Xylene","Sub":false}]},{"Name":"ChEBI","Urls":[{"Link":"https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:27417","Name":"Para-Xylene","Sub":false}]},{"Name":"Common Chemistry","Urls":[{"Link":"https://commonchemistry.cas.org/detail?cas_rn=106-42-3","Name":"Para-Xylene","Sub":false}]},{"Name":"HMDB","Urls":[{"Link":"https://hmdb.ca/metabolites/HMDB0059924","Name":"Para-Xylene","Sub":false}]},{"Name":"KEGG","Urls":[{"Link":"https://www.kegg.jp/entry/C06756","Name":"Para-Xylene","Sub":false}]},{"Name":"UNII","Urls":[{"Link":"https://gsrs.ncats.nih.gov/ginas/app/ui/substances/6WAC1O477V","Name":"Para-Xylene","Sub":false}]},{"Name":"EPA DSSTox","Urls":[{"Link":"https://comptox.epa.gov/dashboard/chemical/details/DTXSID2021868","Name":"Para-Xylene","Sub":false}]}],"Refs":["National Center for Biotechnology Information. PubChem Compound Summary for CID 7809, Para-Xylene. Accessed July 27, 2025. \u003ca href=https://pubchem.ncbi.nlm.nih.gov/compound/7809\u003ehttps://pubchem.ncbi.nlm.nih.gov/compound/7809\u003c/a\u003e"],"SMILES":"CC1=CC=C(C=C1)C","SaltData":[],"Salts":[],"Solubility":"Insoluble. (NTP, 1992)","Stability/Shelf Life":"Stable under recommended storage conditions.","StereoisomerData":[],"Stereoisomers":[],"Structure":"\u003csvg xmlns=\"http://www.w3.org/2000/svg\" preserveAspectRatio=\"none\" style=\"display:block\" viewBox=\"0 0 54.84 32.556\"\u003e\u003crect width=\"100%\" height=\"100%\" fill=\"#fff\"/\u003e\u003cdesc\u003eGenerated by the Chemistry Development Kit (http://github.com/cdk)\u003c/desc\u003e\u003cg stroke=\"#000\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\".7\"\u003e\u003cpath fill=\"#fff\" stroke=\"none\" d=\"M0 0h55v33H0z\"/\u003e\u003cg class=\"mol\"\u003e\u003cpath d=\"M53.802 1.047 40.611 8.662\" class=\"bond\"/\u003e\u003cg class=\"bond\"\u003e\u003cpath d=\"M40.611 8.662 27.415 1.038M38.173 10.07 27.415 3.854\"/\u003e\u003c/g\u003e\u003cpath d=\"M27.415 1.038 14.224 8.654\" class=\"bond\"/\u003e\u003cg class=\"bond\"\u003e\u003cpath d=\"m14.224 8.654.005 15.24M16.663 10.062l.004 12.424\"/\u003e\u003c/g\u003e\u003cpath d=\"m14.229 23.894 13.196 7.624\" class=\"bond\"/\u003e\u003cg class=\"bond\"\u003e\u003cpath d=\"m27.425 31.518 13.191-7.616M27.425 28.702l10.752-6.207\"/\u003e\u003c/g\u003e\u003cpath d=\"m40.611 8.662.005 15.24M14.229 23.894 1.038 31.51\" class=\"bond\"/\u003e\u003c/g\u003e\u003c/g\u003e\u003c/svg\u003e","Subjective Effects":null,"Title":"Para-Xylene","UNII":"6WAC1O477V","Wikipedia":"Vinclozolin","XLogP":3.2}