Prepn process of ferric alkyl aryl sulfonate |
Title： |
| Prepn process of ferric alkyl aryl sulfonate |
|
Application Number： |
200610156892 |
Application Date： |
2006/11/17 |
Announcement Date： |
2007/11/07 |
Pub. Date： |
|
Publication Number： |
101066941 |
Announcement Number： |
|
Grant Date： |
|
Granted Pub. Date： |
|
ApplicationType： |
Invention |
State/Country： |
94[China|shenzhen] |
IPC： |
C07C 309/30, C07C 303/32 |
Applicant(s)： |
Shenzhen Tsinghua University Inst. |
Inventor(s)： |
Xu Yongjin, Liao Zhenhua, Chen Jianjun, Liu Weiqiang |
Key Words： |
alkyl aryl, sulfonate ferric, prepn process |
Abstract： |
The preparation process of ferric alkyl aryl sulfonate includes the following steps: reflux reaction between anhydrous ferric trichloride or ferric trichloride hexahydrate and alkyl aryl sulfonic acid in alcohol solution, eliminating solvent and hydrogen chloride gas at high temperature and low pressure to produce coarse product; washing with ethyl ether to eliminate excessive p-toluene sulfonic acid, and re-crystallizing in mixed solvent of methanol and acetonitrile to obtain purified ferric alkyl aryl sulfonate. The present invention provides also one other process for preparing ferric long chain (benzene) sulfonate. The present invention has low material cost and high product purity, and the product is used in electronic industry. |
Claim： |
|
Priority： |
|
PCT： |
|
LegalStatus： |
|
Relevancy information
