Dichloromethane - 65794
Code: 65794
Dichloromethane
Extra pure, meets analytical specifications of von Reagent European Pharmacopoeia, Stabilized
Methylene Chloride, DCM
CAS Number: 75-09-2
Molar Mass: 84.93 g/mol
Beilstein Registry Number: 1730800
MDL Number: MFCD00000881
| Property |
Value |
| Assay (GC) |
min. 99 % |
| Density (D 20/20) |
1.320 - 1.330 |
| Refractive index (n 20/D) |
1.423 - 1.425 |
| Non-volatile matter |
max. 20 ppm |
| Water (Karl Fischer) |
max. 0.02 % |
| Free acid (as HCl) |
max. 0.001 % |
| Heavy metals (as Pb) |
max. 1 ppm |
| Free chlorine (Cl) |
max. 0.0001 % |
| Chloride (Cl) |
max. 0.0003 % |
| Reaction against H2SO4 |
complying |
| Ethanol (GC) |
max. 0.01 Vol.% |
| Methanol (GC) |
max. 0.02 Vol.% |
| 2-methyl-2-buten (GC) |
10 - 60 Vol.ppm |
| Tetrachlorocarbon (GC) |
max. 10 Vol.ppm |
| CHCl3 (GC) |
max. 50 Vol.ppm |
| Ethanol, 2-Methylbut-2-en + Volatile Impurities |
complying |
| Impurities (GC) total without stabilizer |
max. 0.1 Vol.% |
| Residual solvents |
complying |
| Appearance of the substance |
complying |
| Identity (IR) |
complying |
| Property |
Value |
| Boiling point |
39 - 41 °C |
| Freezing point |
-97 °C |
| Density |
1.32 - 1.33 g/cm3 |
