欧美日韩无码一区二区三区_久久香蕉一区二区三区_亚洲一区二区三区免费在线看_一本不卡av无码_中文字幕成人性爱

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

Di-methylformamide(DMF)

Molecular Formula HCON(CH3)2
Molecular Weight 73.09
Properties colorless transparent inflammable liquid with slight ammonia odor .m.p.-61°C, b.p.152.8°C, flash point 57.7°C, refractive index 1.427-1.429,density (20°C) 0.9487g/ml,miscible with water,ether,ester,ketone,chlorinated hydrocarbon and benzene hydrocarbon,hygroscopic.
Uses DMF is an important organic material and good solvent.It is used as solvent for man-made leather and chemical fiber,also used as material for synthesis of insecticide of high-effectiveness and low-toxicity,as gas absorbent to separate and purify the gas in petrochemical industry,as material of sulfadiazine,cortisone and Vitamin B6 in pharmaceutical industry,and also as fixing agent in vapor-phase analysis.
Packing and storage 200L plastic drums or plastic coated metal pail. Tightly closed to store,prevent from leaking,avoid rain,sunlight,strictly forbid striking and rubbing,far from fire and heat source,stored in cool and ventilating places.
Specifications Q/320412 XY201-2004 

Index name

First grade

Qualified product

Appearance

colorless transparent liquid without visible impurities

Di-methylformamide(DMF)

99.8

99.5

Methanol mg/kg ≤

50

100

Chroma, (Pt-Co)# : ≤

5

10

Refractive index n25D

1.427-1.429

 

Moisture, % ≤

0.05

0.10

Formic acid mg/kg ≤

30

50

Dimethyl amine mg/kg ≤

15

30

PH (20% solution)

6.5-8.0

6.5-9.0

Fe mg/kg ≤

0.05

-

Back

Copyright(C)2017,Suqian Xinya Technology Co., Ltd. All Rights Reserved. Supported by ChinaChemNet ChemNet Toocle Copyright Notice
紫云| 台山市| 临朐县| 江油市| 拉孜县| 武宁县| 怀仁县| 静海县| 金川县| 吴川市| 毕节市| 咸宁市| 兰溪市| 尉氏县| 乌拉特前旗| 北海市| 康定县| 华宁县| 台安县| 名山县| 彩票| 浪卡子县| 贞丰县| 民勤县| 维西| 巫山县| 谷城县| 讷河市| 新巴尔虎左旗| 景东| 临桂县| 策勒县| 仪陇县| 汤原县| 富宁县| 高要市| 民县| 东宁县| 普兰店市| 屯昌县| 万山特区|