中文版 English Korean

        ??:+86-573-82813639, 83621335
        ??:+86-573-82813637
        ???:? ? +86-13605839392
        ??:sales@jlightchem.com
        ???:http://www.jacobitesband.com

        ????

        ??? p-??????(SPTS)

         

        [Product name]:
        P-Toluene sulfinic acid sodium·4H2O, P-Toluene sulfinic acid sodium
        [Structural Formula]:
        [Molecular Formula]:
        C7H7O2SNa·4H2O, C7H7O2SNa·H2O
        [CAS NO]:
        138-41-0
        [Packing]:
        --
        Specification:
        Appearance White powder
        Assay 98.0% min
        Melting Point 280-282°C
        Water 0.5% max
        Scorching Residue 1.0% max
        Heavy metal 10ppm max

         

        [ CLOSE ]
        Copyright(C)2012, ??? ????? ?? All Rights Reserved. Supported by ChemNet ChinaChemNet Toocle
        97久久超碰国产精品,热久久这里只有精品99,本免费av无码专区一区,国产人人做人人爽 2021无码最新国产在线观看 日本熟妇牲交视频在线观看,国产在线播放99,国产一级无码视频,国产在线观看添荫蒂视频|www.tjnx.com.cn/ 日本熟妇牲交视频在线观看,国产在线播放99,国产一级无码视频,国产在线观看添荫蒂视频|www.zzshanglu.com http://www.tjnx.com.cn/ http://www.zzshanglu.com