Dichloromethane
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Item |
Technical Index |
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Superior |
First Grade |
Qualified |
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Appearance |
Colorless, clear, odorless |
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Mass fraction of dichloromethane, % ≥ |
99.90 |
99.50 |
99.20 |
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Moisture, % ≤ |
0.010 |
0.020 |
0.030 |
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Acidity (as HCl), % ≤ |
0.0004 |
0.0008 |
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Chroma（Pt-Co） ≤ |
10 |
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Evaporated residue, % ≤ |
0.0005 |
0.0010 |
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• Under normal temperature and pressure, the product is a colorless, clear and volatile liquid with a scent of ether and a sweetish flavor;
• Its melting point is -96.7℃, its boiling point is 40℃. There is no flash point for individual methylene chloride. Its density is 1.336g/cm3(20℃);
• It is soluble in ethanol and ether but slightly in water.
• The product serves as coating solvent, metal degreasing, aerosol, polyurethane foaming agent, safety photographic film, and polycarbonate. It is an excellent solvent.
• steel drum or ISO tank packing;
• The product is packed in galvanized/coated steel drums or ISO tanks. It should be kept in dry and well-ventilated place, away from sunlight and raining.
• Transportation should comply with the Chinese railway and road transportation regulations concerning hazardous cargo.