曰批免费视频播放免费,无码动漫性爽xo视频在线观看,两个人看的www在线观看

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

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