توضیحات
Dichloromethane CAS 75-09-2 Quick Details
| Chemical Name: | Dichloromethane |
| Other Name: | Methylene chloride; Dichloro methane; DCM dichloromethane; Methylene di chloride |
| CAS: | 75-09-2 |
| EINECS: | 200-838-9 |
| Type: | Food additives; Intermediates of pharmaceuticals, pesticides, dyes, synthetic materials; Inorganic salts; organic raw materials |
| Molecular Formula: | CH2Cl2 |
| Molecular Weight: | 84.93 |
Dichloromethane CAS 75-09-2 Chemical Properties
| Melting point | -97 °C |
| Boiling point | 39.8-40 °C mm Hg(lit.) |
| density | 1.325 g/mL at 25 °C(lit.) |
| vapor density | 2.9 (vs air) |
| vapor pressure | 24.45 psi ( 55 °C) |
| refractive index | n20/D 1.424(lit.) |
| Fp | 39-40°C |
| storage temp. | room temp |
| solubility | Miscible in ethyl acetate, alcohol, hexanes, methanol, diethyl ether, n-octanol, acetone benzene, carbon tetrachloride, diethyl ether and chloroform. |
| form | Liquid |
| color | APHA: ≤10 |
| Specific Gravity | 1.329 (20/20℃) |
| Odor | Odor threshold 160 to 230 ppm |
| Odor Threshold | 160ppm |
| explosive limit | 13-22%(V) |
| Water Solubility | 20 g/L (20 ºC) |
Dichloromethane Uses
Dihydromethane has the advantages of solid solubility as well as low poisoning, and is extensively utilized in the manufacture of safety film movies as well as polycarbonates, and the rest are made use of as paint solvents, metal degreasers, aerosol propellants, polyurethane lathering representatives, mold launch agents, as well as paint pole dancers. representative.
Dichloromethane is an anemic fluid and also is used as a reaction medium in the pharmaceutical market for the preparation of ampicillin, oxypicillin, as well as Pioneerin, and so on; it is also used as a solvent in film manufacturing, a petroleum dewaxing solvent, as well as aerosol propellant. Representatives, natural synthesis extractants, foaming agents for the manufacturing of foamed plastics such as polyurethane, as well as steel cleaner.
Dichloromethane is mainly made use of in film manufacturing and pharmaceutical areas in China. Among them, the intake for movie production represent 50% of the complete consumption, the pharmaceutical industry accounts for 20% of the complete consumption, the cleaning agent and also chemical market consumption accounts for 20% of the overall intake, and also other facets account for 10%.
Dihydromethane is likewise used as a cooling agent in commercial refrigeration systems, yet it is very dangerous, and also can create highly harmful phosgene when it enters into contact with open fires or hot things. In case of humid air, it can be hydrolyzed to produce a percentage of hydrogen chloride, and also light can likewise promote hydrolysis and boost the corrosiveness to metals.
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