精品日韩中文字幕_国产大战开裆丝袜高跟美腿_超碰人人射人人射_日韩AV不卡二区_91精品国产91久久久久蜜臀

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
肥西县| 南昌市| 六枝特区| 都安| 高清| 新营市| 新密市| 广水市| 秭归县| 建德市| 黄石市| 云林县| 长寿区| 淮南市| 六枝特区| 江北区| 奇台县| 临澧县| 彭州市| 焦作市| 湟中县| 锡林郭勒盟| 韶山市| 松潘县| 银川市| 綦江县| 铜鼓县| 伊春市| 青海省| 阳江市| 利川市| 太湖县| 西吉县| 集安市| 乐山市| 曲周县| 安泽县| 乌拉特中旗| 琼海市| 曲阳县| 汾西县|