p-nitrotoluene-o-sulfonic acid

• Post Date:

  Apr 04,2018

• Expiry Date:

  Oct 01,2018

• Detailed Description:

  

  Trade name: p-nitrotoluene-o-sulfonic acid
  Structural formula:
  
  Chemical formula: C₇H₁₁NO₇S
  Molecular weight: 253

  Quality index:

  Item	Index
  (1)Appearance	milk white crystal
  (2)Assay (Gross sample)%　　≥	93.0
  (3)Moisture (Gross sample)%　　≤	5.0
  (4)Free acid (Gross sample)%　≤	1.0
  (5)Insolubles(Gross sample% 　≤	0.1

  Main use: it is an intermediate of dyes, can be used to manufacture Yellow R.
  Packing: 40kg plastic woven bag or upon clients' request.

• Company:

  Yanshi Dongyuan Chemical Co.,Ltd.     [ China ]        

• Contact:

  Xing Jinxia

• Tel:

  +86-379-67435819 +86-137836791

• Fax:

  +86-379-67436819

• Email:

  dy@dongyuanchem.com