午夜DJ免费完整版在线视频

  • <meter id="s7kia"><strong id="s7kia"><del id="s7kia"></del></strong></meter><meter id="s7kia"><delect id="s7kia"></delect></meter>

        sell 1,5-naphthalenediamine

        1,5-naphthalenediamine be used as intermediates for the synthesis of materials.

        1,5-naphthalenediamine

        Synonyms:1,5-diaminonaphthalene;

        1,5-diamino naphthalene

        Molecular Formula:C10H10N2

        Molecular Weight:158.20

        CAS:2243-62-1

        EINECS:218-817-8

        Density:1.4

        Melting point:187-190 oC

        Purity:99%

        1,5-naphthalenediamine be used as intermediates for the synthesis of materials.



        午夜DJ免费完整版在线视频,午夜DJ免费视频观看在线动漫,一个人HD高清在线观看日本_综合