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

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
主站蜘蛛池模板: 特黄大片又粗又大又暴| 丰满人妻无奈张开双腿av| 国产美女久久精品香蕉| 国产专区免费资源网站| 精品无码国产污污污免费| 99久久99久久精品国产片果冻| 97免费人妻无码视频| 欧美日韩无套内射另类| 亚洲卡一卡二卡三新区乱码| 国产亚洲精品久久久久久老妇小说| 国产自产v一区二区三区c| 精品亚洲国产成av人片传媒| 欧美性色黄大片www喷水| 十八禁午夜福利免费网站| 2022国产日产欧产精品| 一本色道久久99一综合| 亚洲国产婷婷六月丁香| 鲁丝片一区二区三区毛片| 少妇一边呻吟一边说使劲| 欧美另类bbbxxxxx另类| 国产精品久久国产精品99| 男阳茎进女阳道视频大全| 青青久在线视观看视| 欲女熟妇国产一区二区| 免费网站观看www在线观看| 亚洲日韩乱码一区二区三区四区| 国产在线一区二区av视频| 人人狠狠久久亚洲综合88| 亚洲愉拍二区一区三区| 少妇性饥渴无码a区免费| 精品久久久久久无码免费| 精品系列无码一区二区三区| 大胆日本熟妇xxxx| 成熟女人毛片www免费版在线| 免费视频爱爱太爽了| 久久www成人影院| 精品综合久久久久久98| 最爽无遮挡行房视频| 国产精品久久久久久无码五月 | 任你干视频精品播放| 久久精品女同亚洲女同|