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

Monomethylamine

Molecular Formula CH3NH2
Molecular Weight 31.06
Properties Gas with ammonia-like odor under normal temperature.m.p.-93.5°C,b.p.-6.8°C. Specific gravity 0.66.Easily soluble in alcohol,ether,water,and etc .Easily burn.
Uses Used to synthesize rubber sulphating accelerator, pharmaceutical, dyestuff, insecticide,surfactant, etc.
Packing and storage Anhydrous Monomethylamine ,use tank truck or steel cylinder; Monomethylamine 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.Monomethylamine Q/320412 XY205-2008

Index name

Top-grade

First grade

Qualified product

Appearance

colorless transparent liquid

Monomethylamine% ≥

99.8

99.5

99.0

Dimethyl amine % ≤

0.10

0.30

0.50

Trimethyl amine % ≤

0.10

0.20

0.30

Ammonia% ≤

0.05

0.10

0.20

2. 40%Monomethylamine solution HG/T2972-1999

Index name

Top grade

First grade

Qualified product

Appearance

colorless transparent liquid

Monomethylamine% ≥

40.0

40.0

40.0

Dimethyl amine % ≤

0.20

0.25

0.45

Trimethyl amine % ≤

0.10

0.15

0.25

Ammonia% ≤

0.02

0.08

0.12

Back

Copyright(C)2017,Suqian Xinya Technology Co., Ltd. All Rights Reserved. Supported by ChinaChemNet ChemNet Toocle Copyright Notice
www.永久精品| 亚洲 欧美 日韩综合| 不卡无码视频在线观看| 日韩高清无码.com| 丰满人妻hd| 亚洲三级片亚洲三级| 免费看欧美一级特黄A大片| 久久综合九色| 中文字幕erqu| 久久五月中文婷婷| 福利欧美不卡| 蜜桃久久精品| 欧美日韩Ww视频| 日韩人妻无码一区二区三区久久| 欧美日本一二区| 久久国产A√无码专区亚洲| 久碰| 老妇多毛| 精品国产污污免费网站| 伊金霍洛旗| 欧美 中文字幕 精品| 影音先锋日韩| 亚洲欧美在线综合夜色c| 国产视频网站在线免费观看你懂的| 奇米久久| 日韩一级黄片播放| 欧美一级黄片在线免费观看| 国产精品玖九| 国产亚洲东北熟女高潮叫床| 日韩精品人妻中文字幕有码欧美| 亚洲最大国产成人综合网站| 一本久香蕉| 久久熟妇AV| 欧美逼| 亚洲人伦三区| 亚洲国产欧美精品另类| 在线视频波多| 久久国产中文片| 三上悠亚在线播放| 99热这里只有精品9| 久久精品免费一区二区|