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: 国精品午夜福利视频不卡| 国产午夜福利久久精品 | 久久精品麻豆日日躁夜夜躁| 国产suv精品一区二区五 | 国产成+人+综合+亚洲专区| 九九99无码精品视频在线观看| 巨乳美乳一区二区三区| 欧美黑人乱大交| 日韩熟女精品一区二区三区| 黑人好猛厉害爽受不了好大撑| 久久不见久久见www免费| 精品无人乱码高清在线观看 | 亚洲伊人久久成人综合网| 四川丰满少妇被弄到高潮| 国产精品爱久久久久久久| 亚洲欧洲日产最新| 熟女chachacha性少妇| 末成年女av片一区二区| 精品少妇无码av无码专区| 久久久无码人妻精品一区| 国产精品乱子伦xxxx裸| 2019久久久最新精品| 国产欧美精品区一区二区三区| 久久国产成人精品国产成人亚洲 | 久久精品香蕉绿巨人登场| 亚洲欧美黑人深喉猛交群| 美女裸体视频永久免费| 亚洲中文字幕永久在线全国| 成 人影片 免费观看在线| 深夜福利小视频在线观看| 野外做受又硬又粗又大视频| 伊在人天堂亚洲香蕉精品区| 秋霞在线观看片无码免费不卡| 国产熟睡乱子伦午夜视频麻豆 | 五月天精品视频在线观看| 97精品人人a片免费看| 中文字幕av伊人av无码av| 蜜臀久久99精品久久久久久小说| 亚洲日韩乱码中文无码蜜桃臀| 中字幕人妻一区二区三区| 日本熟妇乱人伦xxxx|