Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
ZVI EIREF
  2. Issuer Name and Ticker or Trading Symbol
CHURCH & DWIGHT CO INC /DE/ [CHD]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Vice President Finance CFO
(Last)
(First)
(Middle)
469 NORTH HARRISON STREET
3. Date of Earliest Transaction (Month/Day/Year)
05/16/2006
(Street)

PRINCETON, NJ 08543
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 05/16/2006   M   12,250 A $ 7.2084 330,386.293 D  
Common Stock 05/16/2006   M   15,720 A $ 9.0834 346,106.293 D  
Common Stock 05/16/2006   S   27,970 D $ 37.0052 318,136.293 D  
Common Stock               17,052.335 I Prfit Shring/Saving Plan Trust

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Phantom Stock $ 0               (1) 08/08/1988 Common Stock 32,794.26   32,794.26 D  
Stock Option $ 11.4167             02/24/2003 02/24/2010 Common Stock 37,500   37,500 D  
Stock Option $ 13.8334             05/06/2002 05/06/2009 Common Stock 29,700   29,700 D  
Stock Option $ 16.2034             04/30/2004 04/30/2011 Common Stock 28,950   28,950 D  
Stock Option $ 21.8567             06/16/2006 06/16/2013 Common Stock 34,950   34,950 D  
Stock Option $ 22.3734             06/17/2005 06/17/2012 Common Stock 38,925   38,925 D  
Stock Option $ 29.5             06/14/2007 06/14/2014 Common Stock 27,000   27,000 D  
Stock Option $ 35.29             06/20/2008 06/20/2015 Common Stock 24,600   24,600 D  
Stock Option $ 7.2084 05/16/2006   M     12,250 11/01/1999 11/01/2006 Common Stock 12,250 $ 7.2084 0 D  
Stock Option $ 9.0834 05/16/2006   M     15,720 01/26/2001 01/26/2008 Common Stock 15,720 $ 9.0834 62,880 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
ZVI EIREF
469 NORTH HARRISON STREET
PRINCETON, NJ 08543
      Vice President Finance CFO  

Signatures

 Andrew C. Forsell   05/17/2006
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) The phantom stock shares were acquired under the Church & Dwight Co., Inc. Deferred Compensation Plan and are to be settled in cash at such time as prescribed by the Plan.

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