基本信息:中文名称 方酸中文别名 3,4-二羟基-3-环丁烯-1,2-二酮;3,4-二羟基-3-环丁烯-1,2-二酮/方酸;方型酸;方形酸;英文名称 squaric acid英文别名 Squaric;SQUARIC ACID;SQUARICACIDDIBUTYLESTERS;2-dione;dihydroxycyclobutenedione;1-Cyclobutene-3,4-dione-1,2-diol;3,4-Dihydroxy-3-cyclobutene-1,2-dione;DIKETOCYCLOBUTENEDIOL;dihydroxy-cyclobutenedion;QUADRATIC ACID;SQUARC ACID;Squaric acid;CAS号 2892-51-5印度海关编码(HS-code):29144000概述(Summary):HS:29144000.Other Ketone-alcohols and ketone-aldehydes. General tariff:10.0%.