国产一区二区三区露脸,操妞视频黄色网站观看,国内精品视频在线观看,成都影院手机在线观看免费,又色又爽又黄的三级视频在线观看,91视频网站在线观看,日本人妻一区二区三区在线视频,国产精品五十路在线观看

Hotline:+86-18217028888
Current location:Products
Pesticide intermediatePharmaceutical intermediatesPesticide technical
Benzaldehyde, 2-nitro
English name Benzaldehyde, 2-nitro
CAS No. 552-89-6
Molecular formula C7H5NO3
Structural formula
Molecular weight 151.12
Melting point 43-44℃
Usage  
Quality standard
Appearance Light yellow powder crystals or bright yellow needle shaped crystals
Purity ≥99.0%
Loss on drying ≤0.5%
【Back】
Copyright (C) 2021,Shanghai Shoupu Biotechnology Co., Ltd. All Rights Reserved.Supported by ChemNet ChinaChemNet Toocle 31fabu Copyright Notice