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通遼草酸 廠家代理 山東現貨

山東金悅源新材料有限公司 (jinyueyuan22.skxox.com)

中文名稱:草酸

英文名:Oxalic acid;Ethanedioic acid

別稱:乙二酸

CAS號:6153-56-6

化學式:H2C2O4

分子量:90.04

熔點:101~102℃

密度:(d18.54)1.653

外觀:無色單斜片狀

沸點:沸點150℃(升華)。

相對密度:1.653(二水物),1.9(無水物)。α型:1.900,β型:1.895

折射率:1.540

穩定性:189.5℃分解

溶解情況:易溶于乙醇。溶于水。

用途:

用作酚醛樹脂合成的催化劑,催化反應溫和,過程比較平穩,持續時間最長。草酸也用作合成脲醛樹脂的pH值調節劑。還可加入聚乙烯醇縮甲醛水溶性膠黏劑中提高干燥速度和粘接強度。亦用作脲醛樹脂的固化劑、金屬離子螯合劑??捎米鱇MnO4氧化劑制備淀粉膠黏劑的促進劑,加快氧化速度,縮短反應時間。

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