精品无码久久久,国产成人精品日本亚洲语音,久久免费看少妇高潮喷水,亚洲国产色图

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

Trimethyl amine

Molecular Formula (CH3)3N
Molecular Weight 59.11
Properties Gas with ammonia-like odor under normal temperature.m.p.-117.1°C,b.p.3°C. Specific gravity 0.66(-5°C).Easily soluble in alcohol, ether, water,and etc.Easily burn.
Uses Used to produce pesticides,synthesize surface-active agent,also as disinfectant.
Packing and storage Anhydrous Trimethyl amine,use tank truck or steel cylinder; Trimethyl 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. Trimethyl amine Q/320412 XY207-2008

Index name

Top-grade

First grade

Qualified product

Appearance

colorless transparent liquid

Trimethyl amine % ≥

99.5

99.2

99.0

Monomethylamine% ≤

0.10

0.30

0.50

Dimethyl amine % ≤

0.10

0.20

0.30

Ammonia% ≤

0.05

0.10

0.20

2. 30% Trimethyl amine solution HG/T2974-1999

Index name

Top grade

First grade

Qualified product

Appearance

colorless transparent liquid

Monomethylamine% ≤

0.10

0.15

0.25

Dimethyl amine % ≤

0.10

0.15

0.20

Trimethyl amine % ≥

30.0

30.0

30.0

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
亚洲第四页| 久综合网| 日韩欧美国产二区| 国产主播户外勾搭直播AV| 欧美精品99| 成人小说综合网| 亚洲AV永久无码精品无码四虎| 天堂中文在线8| 亚洲丝袜一区| 宁德市| 日韩3区| 欧美精产一区二区| 亚洲zz少妇99精品欧美| 亚洲AV成人无码无在线观看| 2020AⅤ天堂在线观看| avxx| 欧美日韩在线二区三区| 亚洲区欧美区日韩区| 超碰1996| 亚洲天堂精品久久| 人妻视频三级片| 久久偷拍精品| 亚洲成人在线观看一区| 中文字幕无码视频老司机| 欧美99久久| 亚洲少妇日本韩国| 欧美另类z0z000| 九九资源欧美日韩一区二区| 国内精品久久久久久久星辰影视| 久久jiujiure| 亚洲国产欧美其他| 中文字幕人妻无码乱精品| 亚洲av不卡一区二区三区| 国产不卡在线视频播放 | 人妻第一次尝试黑人| 91视频国产精品| 荡艳乱lu∩岳| 无码一区二区三区| 激情五月 丁香五月| 久久久精品人妻一区二区三区四区| 亚欧美日韩|