Molecular Weight: 124.1372: Formula: C 7 H 8 O 2: Melting Point: 28 °C, 301 °K, 82 °F: Boiling Point: 204–206 °C: Density: 1.112 g/cm 3, liquid 1.129 g/cm 3, crystals This process is undertaken by the gut bacterium Pantoea agglomerans (Enterobacter). Create. [6], The compound was first isolated by Otto Unverdorben in 1826. Dietary sources of methoxyphenols overwhelm the contribution from inhalational exposures to woodsmoke. Date s. Modify. 2020-10-24. (1 u is equal to 1/12 the mass of one atom of carbon-12) Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol. Although it is biosynthesized by a variety of organisms,[3] this aromatic oil is usually derived from guaiacum or wood creosote. Molecular Weight. The compound contributes to the flavor of many subst… [9], Guaiacol is useful precursor for the synthesis of other compounds. United States Environmental Protection Agency, Some of the following links exit EPA's site, Program and regulatory information about this substance, including links to EPA applications/systems, statues/regulations, or other sources that track or regulate this substance, Single Substance Request (CDX Query Function) (REST and SOAP), Substance List Request (CDX Solicit Function) (SOAP), Add Substance to List Request (CDX Submit Function) (SOAP). Beilstein/REAXYS Number 508112 . [11] Being derived from biomass, it is a potential component or precursor to "green fuels". Guaiacol is present in wood smoke, resulting from the pyrolysis of lignin. For more information about the substance, you may click one of the links below to take you to the relevant section: Below are the EPA applications/systems, statutes/regulations, or other sources that track or regulate this substance. Your message has been sent. All rights reserved. MSDS: Chinese USA: Flash Point: 79.3±24.3 °C: Symbol: GHS07: Signal Word: Warning Molecular Weight: 124.14 Molecular Formula: C7H8O2 Additional Metadata. It is also found in essential oils from celery seeds, tobacco leaves, orange leaves, and lemon peels. Guaiacol: CAS Number: 90-05-1: Molecular Weight: 124.14: Density: 1.2±0.1 g/cm3: Boiling Point: 207.5±29.0 °C at 760 mmHg: Molecular Formula: C 7 H 8 O 2: Melting Point: 26-29 °C(lit.) [15], Guaiacol is produced in the gut of desert locusts, Schistocerca gregaria, by the breakdown of plant material. The route entails condensation of glyoxylic acid with guaiacol to give mandelic acid, which is oxidized to produce a phenylglyoxylic acid. 150.17 g/mol. [4] It is colorless but samples become yellow upon exposure to air and light. o-Anisidine, derived in two steps from anisole, can be hydrolyzed via its diazonium derivative. Restek Corporation, U.S., 110 Benner Circle, Bellefonte, PA 16823Copyright © 2020 Restek Corporation. To view more metadata about the specific Synonym, click on the Synonym. Molecular mass (molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). MDL number MFCD00002185 Phenol, 2-methoxy-; Phenol, o-methoxy-; o-Guaiacol; o-Hydroxyanisole; o-Methoxyphenol; Anastil; Guaiacol; Guaiastil; Guaicolina; Guajol; Guasol; O-Methyl catechol; Pyrocatechol monomethyl ether; Pyroguaiac acid; 1-Hydroxy-2-methoxybenzene; 2-Hydroxyanisole; 2-Methoxyphenol; Guaicol; Guajakol; Methylcatechol; Methylcatachol, Click and drag to zoom, double click to reset zoom, Drag and Drop Attachments Here (optional). [16], Methoxyphenols are potential biomarkers of biomass smoke exposure, such as from inhalation of woodsmoke. Synonym: Guaiacol glyceryl ether carbamate, Methocarbamol Empirical Formula (Hill Notation): C 11 H 15 NO 5. This table shows how each list refers to the substance. Please try again later, or contact Restek or your local Restek representative via phone. *Disclaimer: The IUPAC, INCHI, and SMILES data on this page has its source from CompTox. Molecular Weight: 124.14 g/mol: Computed by PubChem 2.1 (PubChem release 2019.06.18) XLogP3: 1.3: Computed by XLogP3 3.0 (PubChem release 2019.06.18) Hydrogen Bond Donor Count: 1: Computed by Cactvs 3.4.6.11 (PubChem release 2019.06.18) Hydrogen Bond Acceptor Count: 2: Computed by Cactvs 3.4.6.11 (PubChem release 2019.06.18) Rotatable Bond Count: 1 The following list includes links related to the selected substance. Guaiacol. For more information, see our privacy policy. Cookies allow for a variety of features that make your visit to Restek more enjoyable. [14], Guaiacol is also used medicinally as an expectorant, antiseptic, and local anesthetic. Guaiacol is a naturally-occurring organic compound with the formula C6H4(OH)(OCH3). Sorry, your message could not be sent at this time. Some of the following links exit EPA's site This acid undergoes a decarboxylation to afford vanillin. [17], InChI=1S/C7H8O2/c1-9-7-5-3-2-4-6(7)8/h2-5,8H,1H3, InChI=1/C7H8O2/c1-9-7-5-3-2-4-6(7)8/h2-5,8H,1H3, Except where otherwise noted, data are given for materials in their, "The best way to drink whiskey, according to science", "On the Expectorant Action of Creosote and the Guaiacols", Ullmann's Encyclopedia of Industrial Chemistry, "Masked o-benzoquinone strategy in organic synthesis: Short and efficient construction of cis-decalins and linear triquinanes from 2-methoxyphenols", "Critical review of the health effects of woodsmoke", https://en.wikipedia.org/w/index.php?title=Guaiacol&oldid=969355885, Pages using collapsible list with both background and text-align in titlestyle, Articles containing unverified chemical infoboxes, Creative Commons Attribution-ShareAlike License, This page was last edited on 24 July 2020, at 22:27. It is one of the main components of the pheromones that cause locust swarming. We will be in touch shortly. It is colorless but samples become yellow upon exposure to air and light. [12], Guaiacol is a precursor to various flavorants, such as eugenol. The compound contributes to the flavor of many substances such as whisky[5] and roasted coffee.

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