Dichloromethane (DCM, chemical formula CH₂Cl₂) has the CAS number 75-09-2. It is an important halogenated hydrocarbon solvent, appearing as a colorless, transparent liquid at room temperature with a slightly sweet odor. It has a boiling point of 39.6°C, is highly volatile, and non-flammable. Due to its excellent solvency, dichloromethane is widely used in industrial applications such as metal degreasing, paint stripping, pharmaceutical synthesis (e.g., antibiotic production), and as a reaction medium.
| HS code | 2903120001 |
| CAS No | 64-19-7 |
| Chemical Formula | CH2Cl2 |
| Appearance | Colorless liquid |
| EINECS NO. | 200-838-9 |
COA
| Name | Methylene chloride | |
| Chemical Formula | CH2Cl2 | |
| Specification | ||
| Item | Limit | Unit |
| Purity | 99.97min | % |
| Water | 0.008max | % |
| Color,(Pt-Co) | 5 min | |
| Acidity(HCL) | 0.0004%max | |
| Appearance | colorlessliquid | |
| Odor | therealodor-chloroform-like | |
| Residueonevaporation | 0.0015max | % |
| VaporDensity(air=1) | 2.93 | |
| BoilingPoint | 39.8 | deg C |
| Freezing/MeltingPoint | -97 | deg C |
| RelativeDensity | 1.320 | |
| PartitionCoefficient | 1.25 | (N-Octanol/Water) |
| pH | 6.0-7.0 | |
| VaporPressure | 350max | mm Hg @ 20 deg C |
| Viscosity | Notavailable | |
| AutoignitionTemperature | 556max | degC(1,032.80degF) |
| FlashPoint | Notapplicable | |
| ExplosionLimits,lower | 13 | vol % |
| ExplosionLimits,upper | 23 | vol % |
| DecompositionTemperature | Notavailable | |
| Solubilityinwater | Slightlysoluble | |
| SpecificGravity/Density | 1.33 | (Water=1) |
| CHLORINATE% | 0.0005max | 0.0005max |
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