chloromethaneUsed as a refrigerant, methylation agent, also used in organic synthesis, pharmaceutical intermediates Dichloromethane CAS No ... ventilated place, pay attention to moisture.Wuhan Xingzhengshun import &export trade Co., LTD. Is a large-scale chemical raw materials import ... and export Co., LTD in China HuBei province ,and we have trade with more than 30 countries ...