| abstract |
An object of the present invention is to provide a novel compound that is effective in improving thermal stability during processing of an organic material. [wherein R 1 , R 2 , R 3 and R 4 are each independently a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, a cycloalkyl group having 5 to 8 carbon atoms, a It represents an alkylcycloalkyl group, an aralkyl group having 7 to 12 carbon atoms or an aryl group having 6 to 12 carbon atoms. ] A phosphite compound represented by, a stabilizer for an organic material containing the phosphite compound, a method for stabilizing an organic material by adding the phosphite compound to an organic material, and an organic material and the sub A stabilized organic material composition containing a phosphate ester compound. [Selection figure] None |