小泽玛莉亚一区二区视频在线丨亚洲精品无码久久久久久丨欧洲精品久久久av无码电影丨少妇被躁爽到高潮无码文丨国产日产欧产美韩系列影片

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

Formamide(FA)

Molecular Formula HCONH2
Molecular Weight 45.041
Properties Clear,colorless liquid and with ammonia-like-weak odor m.p.2.55°C,b.p.210-212°C (partial decomposition beginning at 180°C),flash point 154°C , Specific gravity 1.1334(20°C). Be soluble in water and alcohol,slightly soluble in benzene and ether,etc,hygroscopic.
Uses Formamide is the material to synthesize pharmaceuticals,spicery and dyestuffs.It is used as solvent in synthetic fiber spinning,plastic processing and lignin ink production etc,as paper treating agent,coagulation accelerator in oil well drilling and building industry,as carburant in casting industry,glue softener and as polar solvent in organic synthesis.
Packing and storage 200L plastic drums or steel-plastic composite drums. Tightly closed to prevent from leaking and touching water. Stored in cool,ventilated and dry places,far from fire and heat source.
Specifications Q/320412 XY204-2008 

Index name

Top-grade

First grade

Appearance

colorless transparent liquid without visible impurities

 

Assay, % ≥

99.5

99.0

Methanol, % ≤

0.15

0.30

Chroma, (Pt-Co)# : ≤

10

20

Moisture, % ≤

0.050

0.10

Fe, ppm ≤

0.20

-

Ammonia, % ≤

0.010

0.020

Formic acid, % ≤

0.010

0.020

Ammonium formate , % ≤

0.08

0.10

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: 992tv精品视频tv在线观看| 韩国精品视频一区二区在线播放 | 一区二区三区四区在线不卡高清| 久久综合伊人中文字幕| 76少妇精品导航| 四川少妇大战4黑人| 国产肉体xxxx裸体137大胆| 亚洲国产午夜精品理论片妓女| 日本在线a一区视频高清视频| 免费无码午夜理论电影| 久久精品中文字幕一区| 99精品一区二区三区无码吞精| 日本少妇肉体裸交xxx| 影音先锋日日狠狠久久| 国产精品线路一线路二| 欧美丰满熟妇xxxx性ppx人交| 国产精品免费观看久久| 国产午夜大地久久| 无码ol丝袜高跟秘书在线观看| 免费看国产zzzwww色| 东北女人啪啪对白| 久无码久无码av无码| 秋霞av在线露丝片av无码| 亚洲国产精品久久久久网站| 欧美熟妇性xxxx欧美熟人多毛| 亚洲欧美乱日韩乱国产| 人与动人物xxxx毛片人与狍| 久久午夜私人影院| 无码伊人66久久大杳蕉网站谷歌| 三级国产三级在线| 久久99精品久久久久久秒播| 五月婷六月婷婷俺也去| 亚洲欧洲综合有码无码| 永久黄网站色视频免费直播| 中国凸偷窥xxxx自由视频妇科| 国产区又黄又硬高潮的视频| 先锋影音av最新资源网| 自拍性旺盛老熟女| 亚洲色无码专区在线观看精品| 久久天天躁狠狠躁夜夜夜| 国产黑色丝袜在线看片不卡顿|