• <tbody id="riyyv"></tbody>
  • <button id="riyyv"></button>
  • <rp id="riyyv"></rp>

  • <th id="riyyv"></th>

  • <rp id="riyyv"></rp>
  • <rp id="riyyv"></rp>

    Mainly produces a series of intermediate products based on naphthalene and benzene

    +中文版+   +ENGLISH+

    PRODUCTS

    1-naphthylamine
    Synonyms 1-Naphthylamine (α-Naphthylamine)
    Domestic patent application number 200410064941.8
    Structural formula
    Molecular weight 143.19
    Molecular Formula

    C10H9N

    Property

    alpha-naphthylamine's C.A tabloid name is 1-Naphthylamine, and its number is 134-32-7. Under the room temperature, it is a light yellow crystal, has the special smell; Its color deepens gradually in the air and becomes the reddish purple crystal, it can volatilize along with the steam, and can sublimate, can dissolve in the ethyl alcohol, ether and so on organic solvents, but slightly soluble in water.

    Specification convention

    Index Name

    Top Grade Product

    Qualified Product

    Appearance

    Light yellow to deep rosiness melt

    Total amino number %≥

    99.5

    99

    Crystallization point℃≥

    48.3

    45.4

    2-naphthylamine %≤

    0.1

     

    Specification extra grade Specification

    Index Name

    Extra Top Grade Product

    Extra Pure Grade Product

    Appearance

    Light yellow to deep rosiness melt

    Total amino number %≥

    99.9

    99.9

    99.9

    99.9

    99.9

    99.9

    Crystallization point℃≥

    48.3

    48.3

    48.3

    48.3

    48.3

    48.3

    2-naphthylamine≤(mg/kg)

    800

    500

    300

    100

    50

    10

    HOME  |   ABOUT US  |   PRODUCTS  |   NEWS  |   FACTORY  |   CONTACT  |   中文版

    Add:Room 401-418, Building 18, Changjiang Plastics Chemical Market, 600 Tongjiang Middle Road, Xinbei District, Changzhou City
    E-mail:xinyan_gu@changyuchem.com

    International Trade:
    Tel: +86-519-85481997/81187592/85761005
    Fax: +86-519-85484533/85761018

    Domestic Trade:
    Tel: +86-519-85481743/85772200/85761002
    Fax: +86-519-85481030/85761058

    Copyright(C)2019, Changzhou Chungang Chemical Co., Ltd. All Rights Reserved. Supported by ChinaChemNet ChemNet Toocle Copyright Notice 備案字號:蘇ICP備11031745號

    国产亚洲无线码二区,亚洲综合无码第二页,日本最大成网人站免费,中文字幕第1页 影音先锋-欧美做暖暖视频免费做|不卡在线一区二区三-好吊色青青青国产