Shandong cheap wholesale GB dichloromethane

Methylene chloride has strong solubility and low toxicity advantages, a large number for the manufacture of security footage, polycarbonate, and the rest used as paint solvents, metal degreasing agents, aerosol propellant gas, polyurethane foam, mold release agents, off paint remover. Methylene chloride is a colorless liquid, so the reaction medium in the pharmaceutical industry, for the preparation of ampicillin, penicillin and hydroxybenzyl Vanguard ADM; also used as a solvent in the film production, oil dewaxing solvents, aerosol propellants, synthetic organic extraction agent, such as polyurethane foam blowing agents and the production of metal cleaning agents. Dichloromethane formula: CH2Cl2. Low boiling solvent is non-flammable, commonly used to replace the flammable petroleum ether. Methylene chloride is a colorless liquid, so the reaction medium in the pharmaceutical industry, for the preparation of ampicillin, penicillin and hydroxybenzyl Vanguard ADM; also used as a solvent in the film production, oil dewaxing solvents, aerosol propellants, synthetic organic extraction agent, such as polyurethane foam blowing agents and the production of metal cleaning agents. Methylene chloride in China is mainly used for film production and medicine. Wherein the amount of consumption for film production accounting for 50% of consumption, 20% of the total medicine consumption, the consumption of cleaning agents and chemical industry accounted for 20% of consumption, 10% other. Methylene chloride is also used in industrial refrigeration systems used as secondary refrigerant used, but great harm, can produce highly toxic phosgene in contact with an open flame or hot objects. Case humid air hydrolysis can generate small amounts of hydrogen chloride, light can also promote hydrolysis of metal corrosion is enhanced. And low grain fumigation for refrigeration and air-conditioning equipment in the freezer. Used as an auxiliary blowing agent in the polyether urethane foam production, and as polysulfone - extrusion foam blowing agents. [4]