久久九九久精品国产首页_欧美日韩在线不卡高清视频_国产精品网曝门在线观看_P2020国产精品久久精品

    <ol id="lu3ax"><tbody id="lu3ax"></tbody></ol>
      熱線電話:021-54370211?    

    unsym-Dimethylethylenediamine

    Name: N, N - dimethylenediamine

    CAS number: 108-00-9

    Quality standards: 99%

    Pack: 200kg/pail

    Land: domestic

    Details:

    Chinese name: N, n-dimethylenediamine

    unsym-dimethylethylenediamine

    An alias: N, N - dimethylenediamine;Asymmetric - dimethylenediamine;2-dimethylamine;N, n-dimethyl-1, 2-ethylenediamine;dimethylamine1-amino-2-dimethylamine;metacylenediamineAcrylic - N, n-dimethylamine

    CAS NO: 108-00-9

    EC NO: 203-541-2

    Molecular weight: 88.15

    Molecular formula: C4H12N2

    Appearance: clear and transparent liquid

    Relative density: 0.803

    Refractive index: 1.4300-1.4260

    Boiling point (℃) : 104 ℃ to 106 ℃

    Flash point (℃) : 23 ℃

    USES: this product is mainly used in the synthesis of Cefotiam (Cefotiam) intermediates 1-dimethyl-5-mp tetrazole.

    @ 2016 ShangHaiYaYu Biomedical co.,ltd TEL:021-54370211、54370255、54370355 FAX:021-54370255

    成都市| 铅山县| 光山县| 迁安市| 珲春市| 遂宁市| 赤峰市| 句容市| 崇文区| 三江| 门头沟区| 姜堰市| 荣昌县| 武宣县| 台北县| 鄢陵县| 红桥区| 开阳县| 贡嘎县| 连州市| 凤山市| 五大连池市| 海安县| 安吉县| 广德县| 连平县| 奎屯市| 盘锦市| 永新县| 泰顺县| 白沙| 广安市| 日土县| 凭祥市| 郯城县| 芒康县| 那曲县| 青田县| 县级市| 腾冲县| 正安县|