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Guaiacol

Names Preferred IUPAC name2-MethoxyphenolOther names o-MethoxyphenolO-Methylcatechol2-HydroxyanisolePyroguaiac acidPyrocatechol monomethyl ether1-hydroxy-2-methoxybenzeneIdentifiers CAS Number90-05-13D model (JSmol)Interactive imageChEBICHEBI:28591ChEMBLChEMBL13766ChemSpider447DrugBankDB11359ECHA InfoCard100.001.786EC Number201-964-7KEGGD00117PubChemCID460UNII6JKA7MAH9CCompTox Dashboard(EPA)DTXSID0023113InChIInChI=1S/C7H8O2/c1-9-7-5-3-2-4-6(7)8/h2-5,8H,1H3Key: LHGVFZTZFXWLCP-UHFFFAOYSA-NInChI=1/C7H8O2/c1-9-7-5-3-2-4-6(7)8/h2-5,8H,1H3Key: LHGVFZTZFXWLCP-UHFFFAOYAISMILESCOc1ccccc1OProperties Chemical formulaC7H8O2Molar mass124.14 g/mol Appearance colorless oil or crystalline solid OdorCharacteristic sweet odor Density1.112 g/cm, liquid1.129 g/cm, crystals Melting point26–29 °C (79–84 °F; 299–302 K) Boiling point204–206 °C (399–403 °F; 477–479 K) Solubility in water23.3 g/L (25 °C) Solubility in carbon tetrachlorideSoluble log P1.32 Vapor pressure0.103 mmHg (25 °C) Henry's lawconstant (kH)1.2×10 atm-cu m/mol (25 °C) Acidity (pKa) 9.98 Refractive index (nD)1.5429 (20 °C) Hazards GHS labelling: PictogramsSignal wordWarningHazard statementsH302, H315, H319Precautionary statementsP264, P264+P265, P270, P280, P301+P317, P302+P352, P305+P351+P338, P321, P330, P332+P317, P337+P317, P362+P364, P501Flash point60 °C (140 °F; 333 K) Lethal dose or concentration (LD, LC): LD50 (median dose)520 mg/kg (rat, oral)170 mg/kg (mouse, intravenous)4600 mg/kg (rabbit, skin) LDLo (lowest published)900 mg/kg (guinea pig, subcutaneous)1250 mg/kg (rabbit, subcutaneous) LC50 (median concentration)7570 mg/m (mouse) Related compounds Related methoxyphenolsMequinol3-MethoxyphenolExcept where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).Yverify ( ?)

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