久久婷婷国产综合精品,久久久久久久性潮,换脸国产av一区二区三区,韩国精品一区二区三区无码视频 ,久久久久成人精品无码

Basic Info

  • Grade: Pharmaceutical Grade

    Factory Location: 1885 City Road, Minhang District, Shanghai

    Main Sales Markets: North America,Central/South America,Western Europe,Eastern Europe,Australasia,Asia,Middle East,Africa

  • Sample Provided: no

    Payment Terms: L/L

    Specification    
    Purity,% 98.50%
    1-propyne ≤ 1%
    Propylene ≤ 1.5%


    transportation    
    DOT shipping name allene
    DOT classification 2.1
    DOT label combustible gas
    UN NO. 2200
    CAS No. 463-49-0
    CGA//BS41/DIN477 510/NO.4/NO.1
    Transportation status Liquefied gas


    Technical Information    
    Cylinder condition @ 21.1°C liquid
    Combustion limit in air 2.1-85%
    Natural temperature (°C)
    Molecular weight (g/mol) 40.07
    Specific gravity (air =1) 1.383
    Critical temperature (°C) 120
    Critical temperature (psig) 778.66


    Application
    Allene is the simplest member of 1,2-diene compounds. Not as stable as conjugated dienes or isolated dienes. But it is more active than isomeric methyl acetylene. Allene is mainly used for organic synthesis.

Send your message to this supplier
  • From:
  • To:
    Shanghai Wechem Technology Limited
  • Send a Copy to this Email
  • Message:
    Upload Images / Files
    -?Supports?jpg,?jpeg,?png,
    ?gif,?pdf,?doc,?docx,
    ?xls,?xlsx,?txt,?rar?and?zip
    -?Max?upload?3?files;
    ?Max??total?size:?3MB
    (0/3)

    Enter between 20 to 4,000 characters.This is not what you are looking for ? Post a Sourcing Request Now

  • Verification:

Contact Us

PharmaSources@imsinoexpo.com

Tel: (+86) 400 610 1188

WhatsApp/Telegram/Wechat: +86 13621645194
+86 15021993094

PharmaSources Customer Service