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34908 Dichloromethane SPECTRANAL® ł99.8% (GC) Identifiers Synonyms Methylene chloride Molecular Formula CH2Cl2 Molecular Weight 84.93 CAS Number 75-09-2 Beilstein Registry Number 1730800 EG/EC Number 2008389 MDL number MFCD00000881

Properties suitability passes test for suitability for UV spectroscopy suitability passes test for suitability for IR spectroscopy contains ~25 mg/L amylene as stabilizer fluorescence (quinine) at 365 nm ≤ 1 ppb water ≤0.02% (Karl Fischer) non-volatile matter ≤0.001% free acid (as HCl) ≤0.001% fluorescence (quinine) at 254 nm ≤1 ppb trans. 230 nm,≥5% trans. 240 nm,≥70% trans. 250 nm,≥95% trans. 255 nm,≥98% bp 39.8-40 °C mm Hg vapor pressure 6.83 psi ( 20°C) vapor pressure 24.45 psi ( 55°C) expl. lim. 22 % n20/D 1.424 mp -97 °C density 1.325 g/mL at 25 °C