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Technical Data Sheet Dichloromethane
Compound Information
Product Name:
Dichloromethane
CAS No.:
75-09-2
Molecular Formula:
CH2Cl2
Molecular Weight:
84.93
Revision Date:
2026-04-16
Analytical Information
| Tests | Specifications |
|---|---|
| Grade | BP |
| Appearance | Clear,colourless, volatile liquid. |
| Solubility | Miscible in ethyl acetate, alcohol, hexanes, methanol, diethyl ether, n-octanol, acetone benzene, carbon tetrachloride, diethyl ether and chloroform. |
| 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 D (By chemical test) | A violet color should produce. |
| Identification E (By Chemical test for chloride) | A curdled, white precipitate should form which dissolves in ammonia |
| 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 | 2.0% v/v max |
| Ethanol, 2-methylbut-2-ene and volatile impurities 2-methylbut-2-ene | 300 ppm v/v max. |
| Impurity A (Carbon tetrachloride) | 10 ppm v/v max |
| Impurity B (Chloroform) | 50ppm v/v max |
| Sum of impurities other than ethanol and 2-methylbut-2-ene | 0.1% v/v max |
| Free Chlorine (Cl) | No blue colour should develop. |
| Water | 0.02% m/m max |
| Residue on evaporation | 20ppm max |
| MS | Pass test |
| ¹H NMR | Pass test |
| ¹³C NMR | Pass test |
| IR | Pass test |
| Raman | Pass test |
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