免费午夜福利不卡片在线播放-欧美人成精品网站播放-用舌头去添高潮无码av在线观看-中文字幕久久综合伊人-特黄特色大片免费播放器

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: 无码加勒比一区二区三区四区| 东京热无码av一区二区| 久久久无码人妻精品一区| 国内少妇高清露脸精品视频| 国产精品刮毛| 无码视频免费一区二三区| 国产欧美日韩综合在线成| 无码精品国产va在线观看| 四虎精品寂寞少妇在线观看| 国产精品99无码一区二区| 中国xxxx做受视频| 久久综合亚洲鲁鲁五月天| 好大好猛好爽好深视频免费 | 欧美自拍亚洲综合图区| 狠狠综合久久综合中文88| 久久成人影院精品777| 日韩精品无码专区免费视频| 天堂岛国av无码免费无禁网站| 破了亲妺妺的处免费视频国产| 亚洲综合另类小说色区大陆| 中文字幕日韩精品有码视频| 国产高潮国产高潮久久久| 国产97人人超碰caoprom三级| 无码精品a∨在线观看十八禁| 亚洲欧洲自拍拍偷精品网314| 亚洲小说图区综合在线| 亚洲一区无码中文字幕| 久久性色欲av免费精品观看| 日韩人妻无码精品久久| 天天澡天天揉揉av无码| 丝袜美腿一区二区三区| 97人洗澡人人澡人人爽人人模| 国产精品_国产精品_k频道w| 精品视频国产狼友视频| 任你干在线精品视频网2| 99re6热精品视频在线观看| 国产精品igao视频网| av色欲无码人妻中文字幕| 无码专区中文字幕无码野外| 香蕉久久夜色精品国产| 色一乱一伦一图一区二区精品|