免 费 成人黄 色 大片|人妻αⅴ中文字幕|国产成人在线无码免费视频|美丽人妻无套中出中文字幕|日韩人妻无码一区专区

  • 
    
  • Welcome to ShiJiaZhuang Old Bridge Chemicals CO., LTD.

    4-Methylimidazole

    • Home
    • Product
    • 4-Methylimidazole
    • 4-Methylimidazole

    4-Methylimidazole

    4-Methylimidazole

    4-Methylimidazole

    SUBMIT INQUIRY Contact US
    Product Description

    4-Methylimidazole

    C4H6N2

    CAS:822-36-6

    Pack:25KG/Drum

    annual production capacity:1200 tons

    Specification:White crystalline powder

    Assay≥98%

    Main application:It is an important organic intermediate.It is mainly used for the synthesis of cimetidine. It can also be used as epoxy resin curing agent and metal surface protection agent.

     

    Test Item

    Inspection standard

    1、Description

    White or a l most white crystal

    2、Melting point

    53℃-56℃

    3、Heavy metal

    ≤0.002%

    4、Blazing remnant dregs

    ≤0.1%

    5、Assay

    ≥98.0%