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Oxalyl chloride

Names Preferred IUPAC nameOxalyl dichlorideSystematic IUPAC nameEthanedioyl dichlorideOther names Oxalic acid chlorideOxalic acid dichloride (1:2)Oxalic dichlorideOxaloyl chlorideIdentifiers CAS Number79-37-83D model (JSmol)Interactive imageChemSpider59021ECHA InfoCard100.001.092EC Number201-200-2PubChemCID65578RTECS numberKI2950000UNIIR4Y96317DWCompTox Dashboard(EPA)DTXSID3058822InChIInChI=1S/C2Cl2O2/c3-1(5)2(4)6Key: CTSLXHKWHWQRSH-UHFFFAOYSA-NInChI=1/C2Cl2O2/c3-1(5)2(4)6Key: CTSLXHKWHWQRSH-UHFFFAOYAGSMILESClC(=O)C(=O)ClProperties Chemical formulaC2O2Cl2Molar mass126.92 g·mol Appearance Colorless liquid OdorPhosgene-like Density1.4785 g/mL Melting point−16 °C (3 °F; 257 K) Boiling point63 to 64 °C (145 to 147 °F; 336 to 337 K) at 1.017 bar Solubility in waterReacts Refractive index (nD)1.429 Hazards Occupational safety and health (OHS/OSH): Main hazardsToxic, corrosive, lachrymatorGHS labelling: PictogramsSignal wordDangerHazard statementsH314, H331Precautionary statementsP261, P280, P305+P351+P338, P310NFPA 704 (fire diamond) 312WSafety data sheet (SDS) External MSDSRelated compounds Related acyl chloridesMalonyl chlorideSuccinyl chloridePhosgeneRelated compoundsOxalic acidDiethyl oxalateOxamideExcept where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).Nverify ( ?)

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