99视频精品全部在线观看,狠狠色狠狠色综合网老熟女,男人天堂2017手机版在线,日本变态强奷在线播放5000,免费完结穿越小说,肛交小说,校园复仇黑道小说

  Shanghai senyo international trading co., ltd.
  Sell
       About us
       Products
       Buy
       Sell
       Contact us
Sell: 3,4-Dihydroxybenzoic acid
Date: 2009-06-19
Cas#: 99-50-3
Specification: White powder
Price:
Quantity: Kilogram
Term: 365
Note: 3,4-Dihydroxybenzoic acid
Molecular formula: C7H6O4
Molecular weight: 154.12
CAS#: 99-50-3
EINECS#: 202-760-0
Specifications:
Appearance: White powder
Assay(HPLC):NLT 99.50%
Melting Point:200.0~205.0脗潞C
Loss on Drying:NMT 0.50%
Usage:Treatment for Chronic Tracheitis Pharmaceutical intermediate Dyes and analysis reagent
Package:25KGs/fibre drum
Shanghai Danfan Network Science&Technology Co., Ltd. All Rights Reserved.