美女扒开腿男人爽桶-少女情窦初开的第4集在线观看-日韩高清中文字幕-成人av资源-不卡的av网站-日本草逼视频-日韩欧美视频一区-日韩久草-91免费大片-香蕉视频最新网址-99久久精品免费-成人看片在线-国产成人福利视频-久久久亚洲国产-久久久久久久久久91

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

N,N-Diethyl formamide(DEF)

Molecular Formula

C5H11NO

Molecular Weight

101.15

Properties

clear colorless to pale yellow liquid,with ammonia-like-weak odor.m.p-78°C,b.p.178°C,flash point 154°C,proportion 0.908(20°C. Be soluble in water and alcohol.

Uses

Used as solvent and preservative, insect repellents etc.

Packing and storage

200L plastic drum or plastic coated metal pail. Tightly closed to store,prevent from leaking,avoid rain,sunlight,far from fire and heat source,strictly forbid striking and rubbing.

Specifications

Q/320412 GXY004-2012

Index name

Top-grade

Appearance

Light yellow or colorless transparent liquid, no visible impurities

N,N-diethylformamide,  % ≥

99.7

Methanol, % ≤

0.10

Chroma, (Pt-Co)# : ≤

50

Moisture, % ≤

0.05

Diethylamine, % ≤

0.05

N-ethylformamide, % ≤

0.05

Back

Copyright(C)2017,Suqian Xinya Technology Co., Ltd. All Rights Reserved. Supported by ChinaChemNet ChemNet Toocle Copyright Notice