香港aa三级久久三级_国产成人无码性教育视频_成年人晚上看的视频_欧美三级乱人伦电影_亚欧激情_手机看片日韩在线_免费午夜av_国产福利拍拍拍_国产污片在线观看_亚洲精品第一国产综合国服瑶_yw尤物av无码国产在线观看_精品国产一区二区三区久久影院
Search:
◆
Dyes Intermediates
◆
Pharmaceutical Intermediate
◆
Food Additives Series
◆
8-Hydroxyquinoline series
◆
Resin series
◆
Pesticide intermediates
Detailed>>>>
Triphenylmethyl chloride
CAS NO:
76-83-5
Molecular structural formula:
Molecular formula:
C
19
H
15
Cl
Molecular weight:
278.78
Appearance:
off-white crystal
Melting point:
110-113℃
Boiling point:
230-235 oC (20 MMHG)
Specification:
(HPLC) 99% min
Packing:
25kg/drum (vacuum packing)
Hazardous code:
R14;R34;R50/53
HS code:
29420000
Uses:
it is a basic organic material of pharmaceutical chemical industry. In the production of drug and organic chemicals, it can be used as selective protective group of hydroxyl group and basic chemical reagent in the synthesis of polypeptide
Picture:
[
Back
]
Home
|
About us
|
News
|
Products
|
Facility
|
Order
|
Contact us
|
中文版
【
Admin
】
Copyright(C)2014,
Guangde Zhongxin Chemical Co., Ltd.
All Rights Reserved. Supported by
ChemNet
ChinaChemNet
Toocle
Copyright Notice