Cleaning liquid, and anticorrosive agent

Abstract

In a cleaning liquid containing (A) an anticorrosive agent, and (B) a solvent, a compound represented by the following formula (1): wherein, R represents a substituent group; m is an integer of 1 to 3; and n is an integer of 0 to 3, wherein provided that m is 2 or 3, R may be the same or different; or the following formula (2): HS—(CH 2 ) x —OH  (2) wherein, x is an integer of no less than 3, is used as the anticorrosive agent (A).

What is claimed is: 
     
         1 . A cleaning liquid comprising (A) a mercapto compound, and (B) a solvent, wherein
 the mercapto compound (A) is at least one selected from compounds represented by the following formula (1):   
       
         
           
           
               
               
           
         
         wherein, R represents a group selected from the group consisting of a hydroxyl group, an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, an alkylthio group having 1 to 4 carbon atoms, a hydroxyalkyl group having 1 to 4 carbon atoms, a mercaptoalkyl group having 1 to 4 carbon atoms, a halogenated alkyl group having 1 to 4 carbon atoms and a halogen atom; m is an integer of 1 to 3; and n is an integer of 0 to 3, wherein provided that m is 2 or 3, R may be the same or different; 
         and the following formula (2):
   HS—(CH 2 ) x —OH  (2)
 
 
         wherein, x is an integer of no less than 3. 
       
     
     
         2 . The cleaning liquid according to  claim 1 , wherein the mercapto compound (A) is the compound represented by the above formula (1). 
     
     
         3 . The cleaning liquid according to  claim 2 , wherein the position of binding of R is a meta- or para-position with respect to the position at which —(CH 2 ) n —SH binds. 
     
     
         4 . The cleaning liquid according to  claim 2 , wherein R represents a hydroxyl group. 
     
     
         5 . The cleaning liquid according to  claim 1 , wherein the mercapto compound (A) is the compound represented by the above formula (2). 
     
     
         6 . The cleaning liquid according to  claim 5 , wherein x is an integer of no less than 3 and no greater than 10. 
     
     
         7 . The cleaning liquid according to  claim 1 , which is used for cleaning a substrate having a metal layer consisting of copper or a copper-containing alloy. 
     
     
         8 . An anticorrosive agent for copper or a copper-containing alloy, the anticorrosive agent consisting of a compound represented by the following formula (1): 
       
         
           
           
               
               
           
         
         wherein, R represents a group selected from the group consisting of a hydroxyl group, an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, an alkylthio group having 1 to 4 carbon atoms, a hydroxyalkyl group having 1 to 4 carbon atoms, a mercaptoalkyl group having 1 to 4 carbon atoms, a halogenated alkyl group having 1 to 4 carbon atoms and a halogen atom; m is an integer of 1 to 3; and n is an integer of 0 to 3, wherein provided that m is 2 or 3, R may be the same or different, 
         or the following formula (2):
   HS—(CH 2 ) x —OH  (2)
 
 
         wherein, x is an integer of no less than 3.