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
池州市| 南皮县| 济宁市| 修武县| 甘洛县| 青阳县| 滨海县| 镇安县| 平湖市| 昌江| 石林| 金秀| 孝义市| 噶尔县| 郓城县| 靖远县| 萍乡市| 平陆县| 柳江县| 天台县| 寿阳县| 古丈县| 施甸县| 沂源县| 邓州市| 贵溪市| 炉霍县| 方城县| 永和县| 峨山| 缙云县| 伊通| 中山市| 黎城县| 监利县| 昆明市| 安达市| 绥棱县| 商洛市| 家居| 鄂州市|