1. <u id="zak40"></u>
    <pre id="zak40"></pre>
    <pre id="zak40"></pre>
    亚洲最大色综合成人av,深夜福利成人免费在线观看,一区二区亚洲精品国产精 ,亚洲欧美日韩人成在线播放,少妇人妻真实偷人精品,熟妇的奶头又大又长奶水视频,国产不卡精品视频男人的天堂,久久久久久毛片免费播放
    Aniline
    Aniline

    English name: Aniline
    CAS RN:62-53-3
    EINECS number: 200-539-3
    Molecular formula: C6H7N
    Molecular weight: 93.13
    Structural formula:
    Property: Colorless or light yellow transparent liquid, color is allowed to darken during storage. Has a strong odor and is toxic. It easily decomposes into brown under air and sunlight. Dissolve in water, ethanol, ether, and benzene. Specific gravity 1.016 (D420), melting point -6.2 ℃, boiling point 184.4 ℃.
    Usage: Used as an important intermediate in the dye industry and in industries such as pharmaceuticals, fragrances, explosives, rubber accelerators, anti-aging agents, solvents, etc.
    Packaging and storage: Sealed packaging in iron drums, with a net weight of 200 kilograms per drum. Store in a cool and ventilated place, waterproof, moisture-proof, and sun resistant.

    quality standard

    Indicator Name

    index

    Superior products

    First Grade

    Qualified products

    appearance

    Colorless to light yellow transparent liquid, allowed to darken during storage

    Aniline content%≥(m/m)

    99.80

    99.60

    99.40

    Nitrobenzene content%(m/m)≤

    0.002

    0.010

    0.015

    moisture content%(m/m)≤

    0.10

    0.30

    0.50

    Low boiling point content%≤(m/m)

    0.008

    0.010

    0.015

    High boiling point content%≤(m/m)

    0.01

    0.03

    0.05

    Back
    Address:
    Office location: Lanzhong Building, TEDA Microelectronics Industrial Zone, Jinnan District, Tianjin City
    Telephone:
    Tel:+86-15620066789
    Fax:+86-22-28751476
    mobile
    Copyright (C) 2024,Tianjin Taozhu Technology Co., Ltd. All Rights Reserved.Supported by ChemNet ChinaChemNet Toocle 31fabu Copyright Notice
    Copyright (C) 2024,Tianjin Taozhu Technology Co., Ltd. All Rights Reserved.Supported by ChemNet ChinaChemNet Toocle 31fabu Copyright Notice
    主站蜘蛛池模板: 天天色成人| 开心激情站开心激情网六月婷婷| 无码人妻丰满熟妇bbbb| AV中文在线观看| 久久国产成人午夜av影院| 日本高清中文字幕免费一区二区| 国产亚洲中文字幕| 美女胸又大又WWW黄的网站| 亚洲电影天堂av2017| 亚洲国产精品久久艾草| 第一页在线| 熟女一区| jizzjizz少妇亚洲水多| 日韩精品av一区二区三区| 久久久久国产一级毛片高清版 | 老熟妇老熟女老女人天堂| 亚洲AV国产福利精品在现观看| 日韩乱码免费一区二区三区| 日韩精品人妻中文字幕有码| 国产精品一区二区小视频| 99热在线观看一区| 狼友天堂| 精品久久欧美熟妇www| 国产一区二区三区四区激情| 精品无码专区久久久水蜜桃| 国产亚洲成AV片在线观看| 成人性生交大片免费看| 国产精品综合av一区二区| 好吊妞无缓冲视频观看| 香港三级欧美国产精品| 欧美午夜精品久久久久久浪潮| 奶头好大揉着好爽视频| 国产三四区视频| 亚洲欧美精品日韩欧美| 亚洲熟妇av综合一区二区| 熟女嫩穴?播放| 日韩无码AⅤ中字| 国产真实乱人偷精品视频| 午夜通通国产精品福利| 一区二区三区视频| 最新中文字幕av无码专区|