小说排行榜完结版,琅琊榜海宴小说

国产精品无码av在线一区_又爽又黄又无遮挡的激情毛片_成人免费视频在线看_中国一级无码av毛片_男人的天堂网站导航_免费观看的**片手机视频_免费无码国产在线观看p_激情五月综合精品久久_中文字幕一区二区精彩影视_厨房激战大乳熟女

PRODUCTS

guoshun chemical

PRODUCTS

Monomethylamine

Dimethylamines

Trimethylamines

Hydrogen chloride solution

Ammonia solution

Resins

Sodium methoxide

Imidazole

Solvents

Monomethylamine aqueous solution

Physical property:

Monomethylamine aqueous solution is a colorless transparent liquid with the smell of ammonia; Soluble in water, soluble in ethanol and ether; It is easy to burn and forms explosive mixture with air; It has weak alkalinity and forms easily soluble salts with inorganic acids.

Purpose:

Used as raw materials for pesticides, pharmaceuticals, surfactants, dyes, accelerators, ion exchange resins, dyes, developers and solvents.

CAS No.74-89-5

Appearance: Transparent colorless liquid

The quality of industrial 40% monomethylamine aqueous solution shall meet the following requirements:

Project	Index
Project	Superior products	First Grade	Qualified products
Monomethylamine（CH₃NH₂）　≥	40.0
Dimethylamine（CH₃）2NH　≤	0.20	0.25	0.45
Trimethylamine（CH₃）5N　≤	0.10	0.15	0.25
Ammonia　≤	0.02	0.08	0.12

[ BACK ]