Adipic acid (adipic acid) Molecular formula: C6H10O4 Molecular Weight: 146.14 Properties: white crystalline powder, microstrip sour, its density 1.360g/cm? Content of 99.7%, mp153 ° C, the normal boiling point 337.5 ℃, 330.5 ℃, decomposition, flash point of 210 ° C, 191 ° C (closed cup), slightly soluble in water, soluble in methanol, ethanol, isopropyl alcohol and ether, sublimation, also known as fat acid. For flux, organic acid activity flux from the solder paste production, purification solder flux and the weldment surface play a major role, is widely used in the cleaning type, rosin, disposable environmentally friendly flux. Adipic acid is mainly used for manufacture of synthetic fibers, nylon 66, polyurethane foam, artificial leather, such as plasticizers, organic synthesis industry is the preparation of adiponitrile, hexamethylenediamine of basic raw materials, in addition, also used in medicine, food additives, yeast, purification, leather tanning, synthetic fat, grease, spices, foaming agents, pesticides, adhesives and wear-resistant rubber and other areas. Can be used to do in the production of various kinds of esters plasticizers and advanced lubricants, acidifier