Apprearance:A no-toxic and colorless chemical with low ODP value and excellent chemical stability. Application:It is a worldwide acknowledged substitute of CFC. Characteristics: 1.Chemical Stability: It can be stored at normal temperature without decomposition. 2.Corrosion:Even being boiled, it does not corrode iron, stainless steel, copper, brass, aluminum and zinc etc. 3.Silubility:It is soluble in most organic solvents, alcohol etc. It has excellent compatibility with grease and lubricant, has no obvious in effects on most polymers including plastics and rubbers. 4.Toxicty:The toxicity trails conducted by the international society PATT indicates that it has irritant effect on human skin and eyes, but inhalation of high-concentrated HCFC-141b will cause anaesthetic effect.