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 * ONEILL PAUL H   2. Issuer Name and Ticker or Trading Symbol Celanese CORP [CE] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O CELANESE CORPORATION, 1601 W. LBJ FREEWAY 3. Date of Earliest Transaction (Month/Day/Year) 05/01/2008 (Street) DALLAS, TX 75234 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

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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

Dividend Equivalent Right

(1)

05/01/2008

A

2

(2)

(2)

Series A Common Stock

2

$ 0

2

D

Phantom Stock

(3)

05/01/2008

A

3.4

(4)

(4)

Series A Common Stock

3.4

$ 0

3,878.4

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
ONEILL PAUL H C/O CELANESE CORPORATION 1601 W. LBJ FREEWAY DALLAS, TX 75234	X

Signatures

/s/ Alexander M. Ludlow, Attorney-in-Fact for Paul H. O'Neill		05/05/2008
**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)	Each Dividend Equivalent Right represents the right to receive one share of Series A Common Stock.
(2)	The Dividend Equivalent Rights accrued on 1,931 Restricted Stock Units granted to the reporting person on April 24, 2008 and vest concurrently with such Restricted Stock Units.
(3)	Each share of Phantom Stock represents the right to receive either one share of Series A Common Stock or the cash value of one share of Series A Common Stock, as provided in the Company's 2008 Compensation Plan.
(4)	The Phantom Stock represents dividend equivalents on compensation deferred under the Company's 2008 Deferred Compensation Plan. The shares of Phantom Stock become payable in either shares of Series A Common Stock or cash, as provided in the Company's 2008 Compensation Plan, following the termination of the reporting person's service as a director of the Company.

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