中文字幕亚洲第一页在线,亚洲国产日韩欧美高清片a,亚洲一区二区三区av在线免费,日本不卡在线一区二区,亚洲av不卡电影在线网址最新 ,少妇被爽到自拍高潮在线观看,av无码一区二区三,人妻一区二区三区蜜桃
    Recommended Products
    75-12-7
    123-39-7
    107-31-3
    124-40-3
    75-50-3
    647-45-2
    617-84-5
    74-89-5
    68-12-2
    Products

    N-Methylformamide(NMF)

    Molecular Formula HCONHCH3
    Molecular Weight 59.07
    Properties Colorless transparent liquid with ammonia odor.b.p.180° C-185°C, m.p.-40°C, refractive index 1.4319, Specific gravity 1.011(19°C). Can be mixed with benzene,soluble in water and alcohol,not in ether.
    Uses Important organic chemical material,intermediate and good organic solvent.It is used to synthesize high-efficient and low-poisonous Methylimidazole and Amitraz,etc.Also is a solvent of organic synthetic and purifying process .Widely applied in pharmaceutical,dyestuff,perfume and electrolysis and electroplating industry etc
    Packing and storage 200L plastic drum or 20‘Iso-tank or plastic coated metal pail etc.. Tightly closed to store,prevent from leaking,avoid rain,sunlight,far from fire and heat source,strictly forbid striking and rubbing.
    Specifications Q/320412 XY202-2008 

    Index name

    First grade

    Qualified product

    Appearance

    colorless transparent liquid without visible impurities

    N-Methylformamide(NMF) % ≥

    99.5

    99.0

    Moisture% ≤

    0.050

    0.10

    Chroma(Pt-Co#) ≤

    10

    15

    Free alkali % ≤

    0.0050

    0.010

    Methanol% ≤

    0.10

    -

    Di-methylformamide(DMF)% ≤

    0.40

    0.50

    Back

    Copyright(C)2017,Suqian Xinya Technology Co., Ltd. All Rights Reserved. Supported by ChinaChemNet ChemNet Toocle Copyright Notice
    主站蜘蛛池模板: 亚洲av永久无码精品水牛影视| 丝袜人妻无码中文字幕综合网| 精品人妻人妇中文字幕视频| 精品一区二区三区乱码中文| 加勒比东京热久久综合| 最新国产成人综合在线观看| 久久99一本色道亚洲精品| 精品一二区| 日韩亚洲国产综合二区| 沙坪坝区| 中文字幕麻豆一区二区| 久久这里有精品国产电影网| 日本肥老熟妇在线观看| 国产青青草久久亚洲精品| 对白刺激的老熟女露脸| 霍林郭勒市| 八宿县| 尤物AV无码色AV无码麻豆| 国产精品av在线一区二区三区| 少妇高潮大叫好爽喷水| 国产极品视觉盛宴在线观看| 宿松县| 唐河县| 南昌市| 呈贡县| 修武县| 绍兴市| 怀宁县| 介休市| 日韩精品国产一区二区| 客服| 青青青伊人色综合久久亚洲综合 | 亚洲一区二区三在线播放| 国产精品久久成人午夜一区二区| 亚洲一区二区三区在线视频观看| 塘沽区| 538亚洲欧美国产日韩在线精品 | 亚洲一区精品中文字幕| 日本免费一区二区三区最新| 亚洲欧美变态另类综合| 中日韩欧美高清在线播放|