夜夜爽夜夜叫夜夜高潮漏水,久久久精品无码视频,网友分享国产一区二区三区,亚洲精品无码久久av字幕

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

Dimethyl amine

Molecular Formula (CH3)2NH
Molecular Weight 45.08
Properties Gas with ammonia-like odor under normal temperature.m.p.-92.2°C,b.p.-6.9°C, Specific gravity 0.68.Easily soluble in alcohol,ether,water,and etc. Easily burn.
Uses Used to produce DMF,water treatment agent,surfactant,pesticides,dimethylaminoethanol, etc.
Packing and storage Anhydrous Dimethyl amine,use tank truck or steel cylinder; Dimethyl amine solution,use 200L metal pail. Tightly closed to store in cool and ventilated places,avoid sunlight and using units which easily cause static electricity,prevent from striking and vibrating.
Specifications

1.Dimethyl amine Q/320412 XY206-2008

Index name

Top-grade

First grade

Qualified product

Appearance

colorless transparent liquid

Dimethyl amine % ≥

99.8

99.5

99.0

Monomethylamine% ≤

0.10

0.20

0.50

Trimethyl amine % ≤

0.05

0.20

0.40

Ammonia% ≤

0.03

0.05

0.10

2. 40%Dimethyl amine solution HG/T2973-1999

Index name

Top grade

First grade

Qualified product

Appearance

colorless transparent liquid

Monomethylamine% ≤

0.10

0.15

0.25

Dimethyl amine % ≥

40.0

40.0

40.0

Trimethyl amine % ≤

0.10

0.15

0.25

Ammonia% ≤

0.01

0.08

0.12

Back

Copyright(C)2017,Suqian Xinya Technology Co., Ltd. All Rights Reserved. Supported by ChinaChemNet ChemNet Toocle Copyright Notice
乱女乱妇熟女熟妇综合网站| 极品老熟女| 特黄特色特刺激视频免费播放| 欧美涩爱| 日本a在线| 五月丁香欧美综合| jzzjzzjzz亚洲熟女少妇| 日本女优婷婷青青草| 久久久久久网| 国内区一伦乱| 亚洲性av| 精品国产精品久久一区免费式| 奇米网888| 亚洲AV无码不卡| 亚洲精品波多一本成人| 99精品久久久久久久免费蜜桃| 欧美五月激情| 国产一区二区欧美性爱| 无码免费大香伊蕉在人线国产 | 国产aⅴ激情无码久久久无码| 亚洲中文字幕精品久久| 曰本大码熟中文字幕| 久久精品国产片av| 久久一线| 精品人妻互换| 天天av网| 熟女人妻人蜜桃视频| 亚洲AV无码国产精品午友情链接 | 亚洲日韩激情| 王思思| wwwxxx| 尚志市| 操东北熟女| 久久国产一区二区| 午夜福利不卡在线| 好紧好爽好湿别拔出李白韩信| 国产aaa爽快片在线观看 | 色婷婷导航| 午夜福利久久亚洲| 黄色VA资源| 狠狠干 丁香五月|