国产乱子轮xxx农村,freeXXXX国产HD中文对白

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

被夫の上司に犯中文字幕,扒开老师大腿猛进AAA片软件,天天躁日日躁狠狠躁欧美老妇小说,色欲狠狠躁天天躁无码中文字幕