Dichloromethane (Methylene chloride) may be used in the following processes: • As an extractant for 2,2-dithioethyl-4-(2′-pyridyl)-4-butyro-γ-lactone. Dichloromethane may also be used in ultrasonic baths for cleaning and protection of aluminum coating over atactic-PMMA (poly(methyl methacrylate)) for dielectric studies.
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• grade: for HPLC
• vapor density: 2.9 (vs air)
• vapor pressure: 24.45 psi (55 °C) | 6.83 psi (20 °C)
• InChI Key: YMWUJEATGCHHMB-UHFFFAOYSA-N
• assay: ≥99.8%
• autoignition temp.: 1223 °F
• contains: amylene as stabilizer
• expl. lim.: 22 %
• impurities: free chlorine, in accordance ≤0.001%
• free acid (as HCl): ≤0.001%
• non-volatile matter: ≤0.02%
• water (Karl Fischer): NA
• color: APHA: ≤10
• transmittance: 235 nm, ≥20% | 240 nm, ≥50% | 245 nm, ≥80% | 260 nm, ≥98%
• refractive index: n 20/D 1.424 (lit.)
• bp: 39.8-40 °C (lit.)
• mp: −97 °C (lit.)
• density: 1.325 g/mL at 25 °C (lit.)
• absorption: in accordance
• grade: for HPLC
• vapor density: 2.9 (vs air)
• vapor pressure: 24.45 psi (55 °C) | 6.83 psi (20 °C)
• assay: ≥99.8%
• autoignition temp.: 1223 °F
• contains: amylene as stabilizer
• expl. lim.: 22 %
• color: APHA: ≤10
• transmittance: 235 nm, ≥20% | 240 nm, ≥50% | 245 nm, ≥80% | 260 nm, ≥98%
• refractive index: n 20/D 1.424 (lit.)
• bp: 39.8-40 °C (lit.)
• mp: −97 °C (lit.)
• density: 1.325 g/mL at 25 °C (lit.)