| abstract |
The object of the present invention is to provide a high-purity 1,4-cyclohexanedicarboxylic acid powder having good powder flowability, and the particle size distribution (volume basis) of the powder is in the range of D10 of 5 to 55 μm. D50 is in the range of 40 to 200 μm, D90 is in the range of 170 to 800 μm, the loose bulk density is 0.4 to 0.8 g / cm 3, the hardened bulk density is 0.5 to 1.0 g / cm 3, and the compressibility is Provided is a powder of high purity 1,4-cyclohexanedicarboxylic acid that is 10-23%. |