Company:  SIGMA ALDRICH CORP (SIAL)
Form Type:  10-Q
Filing Date:  11/10/2008 
CIK:  0000090185 
Address:  3050 SPRUCE ST 
City, State, Zip:  ST LOUIS, Missouri 63103 
Telephone:  (314) 771-5765 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$53.94  
Change: 
0.06 (0.11%)  
Trade Time: 
Nov 20  
Market Cap: 
$6.56B
Description of Business
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  FORM 10-Q
    Part 1- FINANCIAL INFORMATION
      Item 1. Financial Statements
        INCOME STATEMENT
        BALANCE SHEET
        CASH FLOW
        Notes to Consolidated Financial Statements (Unaudited)
      Management's Discussion and Analysis
      Item 3. Quantitative and Qualitative Disclosures about ...
      Item 4. Controls and Procedures
    PART II - OTHER INFORMATION
      Item 1. Legal Proceedings
      Item 1A. Risk Factors
      Item 2. Unregistered Sales of Equity Securities and Use of ...
      Item 6. Exhibits
    SIGNATURES
  EXHIBIT 31.1
    CEO FORM 10-Q CERTIFICATION
  EXHIBIT 31.2
    CFO FORM 10-Q CERTIFICATION
  EXHIBIT 32.1
    CERTIFICATION PURSUANT TO
  EXHIBIT 32.2
    CERTIFICATION PURSUANT TO