abstract |
An object of the present invention is to provide a composition containing 1,4-butanediol having higher thermal stability than the conventional 1,4BG. The present invention relates to a composition containing 1,4-butanediol. The concentration of 1,4-butanediol is 99.00% by weight or more and 99.99% by weight or less, and the concentration of the amidine compound in terms of nitrogen atom is 1.0. ~ 50 ppm by weight. |