FORM 3
        
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

Loeser David

2. Date of Event Requiring Statement (MM/DD/YYYY)
4/1/2005 

3. Issuer Name and Ticker or Trading Symbol

Celanese CORP [CE]

(Last)        (First)        (Middle)

C/O CELANESE CORPORATION, 1601 W. LBJ FREEWAY

4. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director                            _____ 10% Owner
___ X ___ Officer (give title below)          _____ Other (specify below)
Sr. VP HR & Communications /

(Street)

DALLAS, TX 75234       

(City)              (State)              (Zip)
5. If Amendment, Date Original Filed (MM/DD/YYYY)

 

6. Individual or Joint/Group Filing (Check Applicable Line)

_ X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person


Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(MM/DD/YYYY)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Non-Qualified Stock Option (Right to Buy)     (1) 1/20/2015   Series A Common Stock   72400   $17.83   D  
 
Non-Qualified Stock Option (Right to Buy)     (2) 1/20/2015   Series A Common Stock   108600   $17.83   D  
 

Explanation of Responses:
(1)  Granted pursuant to the Company's 2004 Stock Incentive Plan. The options option shares will vest, subject to continued employment, with respect to 20% on each of December 31, 2005, December 31, 2006, December 31, 2007, December 31, 2008, and December 31, 2009.
(2)  Granted pursuant to the Company's 2004 Stock Incentive Plan. The options option shares will vest, subject to continued employment and achievement of certain performance targets, with respect to 30% of the option shares on December 31, 2005, with respect to 30% of the option shares on December 31, 2006, with respect to 15% of the option shares on December 31, 2007, and with respect to 25% of the option shares on December 31, 2008.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Loeser David
C/O CELANESE CORPORATION
1601 W. LBJ FREEWAY
DALLAS, TX 75234


Sr. VP HR & Communications

Signatures
Mai-Anh Nguyen, on behalf of David Loeser 4/11/2005
** Signature of Reporting Person Date


Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5(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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.