The peroxide fraction in fr esh THF produced. by BASF lies well below 1 mg/kg (< 1 ppm). However, due to the natur e of the product, it may rise during transpor t, ï¬lling, reï¬lling, storage and sampling. Properties. Tetrahydrofuran distilled pur e (THF) is a clear, colorless, low-boiling, volatile, polar liquid. It is a cyclic, aliphatic ether with a characteristic. odor reminiscent of acetone.
Pancreatic cancer is one of the few cancers for which survival has not improved substantially over nearly 40 years. Pancreatic cancer has the highest mortality rate of all major cancers. 91% of pancreatic cancer patients will die within five years of diagnosis â only 9% will survive more than five years.
In recent decades cancer of the pancreas has emerged as one of the most important human cancers, accounting now for about 20,000 deaths in the nation annually. Only cancers of the lung, colon and breast cause more cancer deaths among Americans. Among patients who have pancreatic cancer, only 1 percent survive for three years, Dr. MacMahon said.