CASR |
: | 75-09-2 |
Molecular Formula |
: | CH2Cl2 |
Molecular Weight |
: | 84.93 |
| Specifications | |
|---|---|
| Appearance: | Clear,colourless, volatile liquid. |
| Solubility: | Sparingly soluble in water, miscible with ethanol (96%) |
| Identification A (Relative density, 20°C): | 1.320 to 1.332 |
| Identification B (Refractive index, 20±0.5°C): | 1.423 to 1.425 |
| Identification C (By IR): | IR spectra of the sample should be concomitant with IR spectra of standard. |
| Identification D (By chemical test): | A violet color should produce. |
| Identification E (By Chemical test for chloride): | The precipitate should dissolve easily with the possible exception of a few large particles which dissolve slowly. |
| Acidity: | Not more than 0.15 mL of 0.1M sodium hydroxide should require to change the color of indicator to blue |
| Relative density, 20°C: | 1.320 to 1.332 |
| Refractive index, 20°C ± 0.5°C: | 1.423 to 1.425 |
| Ethanol, 2-methylbut-2-ene and volatile impurities: Ethanol: | NMT 2.0% v/v |
| Ethanol, 2-methylbut-2-ene and volatile impurities: 2-methylbut-2-ene: | NMT 300 ppm v/v |
| Impurity A (Carbon tetrachloride): | NMT 10 ppm v/v |
| Impurity B (Chloroform): | NMT 50ppm v/v |
| Sum of impurities other than ethanol and 2-methylbut-2-ene: | NMT 0.1% v/v |
| Free Chlorine (Cl): | No blue colour should develop. |
| Water: | NMT 0.02% m/m |
| Residue on evaporation: | NMT 20ppm |
| Appearance of solution: | Clear and colourless. |
