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: 99亚洲男女激情在线观看| 色欲久久久中文字幕综合网| 中文字幕人妻色偷偷久久| 精品人妻大屁股白浆无码| 人妻中文字幕无码系列| 亚洲 卡通 欧美 制服 中文| 华人少妇被黑人粗大的猛烈进| 青青青伊人色综合久久| 韩国精品无码少妇在线观看| 亚洲 小说 欧美 另类 社区| 国产精品免费视频网站| 久久精品国产99国产精品导航 | 国产人妻人伦精品1国产丝袜| 医院人妻闷声隔着帘子被中出 | 人人狠狠综合久久88成人 | 精品久久久久久亚洲综合网 | 久久www香蕉免费人成| 性xxx欧美老妇5060.70| 成 人 网 站 免费观看| 亚洲精品一区二区三区在线| 18禁无码永久免费无限制网站| 国产精品视频色拍在线视频| 成人丝袜激情一区二区| 国产男女无遮挡猛进猛出| 午夜福利不卡在线视频| 99久久er热在这里只有精品99| 亚洲色大成网站www| 三上悠亚的av片在线无码| 岛国无码av不卡一区二区| 狂野欧美激情性xxxx| 亚洲精品午夜无码专区| 日韩制服国产精品一区| av鲁丝一区鲁丝二区鲁丝三区| 8天堂资源在线| 非洲黑人性xxxx精品| 最近最新中文字幕高清免费| 欧美黑人巨大xxxxx| 动漫人妻h无码中文字幕| 五 月 丁 香 综合中文| 亚洲人成网站18禁止无码| 国内精品美女视频免费直播|