CAS Number
75-09-2
Formula
CH2Cl2
Weight
84,93
Methylene Chloride, Methylene Dichloride
| Minimum assay (G.C.) | 99,9% |
| Density 20/4 | 1,322-1,325 |
| Maximum limit of impurities | |
| APHA colour | 10 |
| Acidity | 0,0002 meq/g |
| Alkalinity | 0,0002 meq/g |
| Water (H2O) | 0,01 % |
| Non-volatile matter | 0.0003 % |
| Chlorine (Cl) | 0.0001% |
| Suitability for IR spectrometry | passes test |
| Fluorescence at 254 nm (as quinine) | 1ppb |
| Fluorescence at 365nm (as quinine) | 1ppb |
| UV Spectrum (1cm cell; Ref.: water) | |
| Transmittance at 233 (Cut off) nm | ≥10% |
| Transmittance at 235 nm | ≥40% |
| Transmittance at 240 nm | ≥75% |
| Transmittance at 245 nm | ≥90% |
| Transmittance at 255 nm | ≥98% |
| Transmittance at 260-400 nm | ≥99% |
| Data of interest in HPLC | P + 0.25 E: 5.6 |
| Rohrschneider Polarity | 3.1 |
| Eluotropic value E° (Al2O3) | 0.42 |
| Sol. H2O in solv. at 20°C | 0.17 |
| For critical jobs, purge with nitrogen. | |
| Microfiltered product (0.2 μm) and bottled under nitrogen atmosphere. |
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