|Exhibit 31.1                                                                                                                                                                                                                                                                                                 
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|                                                                                                                                                                                                                                                                                                             
|CERTIFICATION                                                                                                                                                                                                                                                                                                
|                                                                                                                                                                                                                                                                                                             
|OF                                                                                                                                                                                                                                                                                                           
|                                                                                                                                                                                                                                                                                                             
|Rajiv Mathur                                                                                                                                                                                                                                                                                                 
|                                                                                                                                                                                                                                                                                                             
|PRESIDENT AND CHIEF EXECUTIVE OFFICER                                                                                                                                                                                                                                                                        
|                                                                                                                                                                                                                                                                                                             
|OF                                                                                                                                                                                                                                                                                                           
|                                                                                                                                                                                                                                                                                                             
|IGI, INC.                                                                                                                                                                                                                                                                                                    
|                                                                                                                                                                                                                                                                                                             
|                                                                                                                                                                                                                                                                                                             
|                                                                                                                                                                                                                                                                                                             
|I, Rajiv Mathur, President and Chief Executive Officer of IGI, Inc., certify that:                                                                                                                                                                                                                           
|                                                                                                                                                                                                                                                                                                             
|1. I have reviewed this quarterly report on Form 10-QSB of IGI, Inc.;                                                                                                                                                                                                                                        
|                                                                                                                                                                                                                                                                                                             
|2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;
|                                                                                                                                                                                                                                                                                                             
|3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;                   
|                                                                                                                                                                                                                                                                                                             
|4. The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) for the registrant and have:                                                                               
|                                                                                                                                                                                                                                                                                                             
|                                                                                                                                                                                                                                                                                                             
|                                                                                                                                                                                                                                                                                                             
|                                                                                                                                                                                                                                                                                                             
|                                                                                                                                                                                                                                                                                                             
|                                                                                                                                                                                                                                                                                                             
|                                                                                                                                                                                                                                                                                                             
|5. The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors:                                                            
|                                                                                                                                                                                                                                                                                                             
|                                                                                                                                                                                                                                                                                                             
|                                                                                                                                                                                                                                                                                                             
|                                                                                                                                                                                                                                                                                                             
|                                                                                                                                                                                                                                                                                                             
|                                                                                                                                                                                                                                                                                                             
|                                                                                                                                                                                                                                                                                                             
|Date: May 15, 2007                                                                                                                                                                                                                                                                                           
|                                                                                                                                                                                                                                                                                                             
|                                                                                                                                                                                                                                                                                                             
|                                                                                                                                                                                                                                                                                                             
|                                                                                                                                                                                                                                                                                                             
|                                                                                                                                                                                                                                                                                                             
|                                                                                                                                                                                                                                                                                                             

<PAGE>