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 *

Blackstone Management Partners IV L.L.C.

2. Date of Event Requiring Statement (MM/DD/YYYY)
1/25/2005 

3. Issuer Name and Ticker or Trading Symbol

Celanese CORP [CE]

(Last)        (First)        (Middle)

345 PARK AVENUE

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

_____ Director                            _____ 10% Owner
_____ Officer (give title below)          ___ X ___ Other (specify below)
/ Adviser to the Issuer

(Street)

NEW YORK, NY 10154       

(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) 1/25/2015   Series A Common Stock   123110   $16   D   (2)  

Explanation of Responses:
(1)  Granted pursuant to the Issuer's 2004 Stock Incentive Plan. The options vest with respect to 25% of the option shares on January 25, 2005, and subject to the continued service of Messrs. Chinh E. Chu, Benjamin J. Jenkins, Anjan Mukherjee, Hanns Ostmeier and James A. Quella as directors of the Issuer, with respect to 25% on each of December 31, 2005, December 31, 2006 and December 31, 2007.
(2)  All rights to the non-qualified stock options have been issued to the Reporting Person in connection with the services of Messrs. Chinh E. Chu, Benjamin J. Jenkins, Anjan Mukherjee, Hanns Ostmeier and James A. Quella as directors of the Issuer.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Blackstone Management Partners IV L.L.C.
345 PARK AVENUE
NEW YORK, NY 10154



Adviser to the Issuer

Signatures
/s/ Peter G. Peterson, Founding Member 1/27/2005
** Signature of Reporting Person Date

/s/ Stephen A. Schwarzman, Founding Member 1/27/2005
** 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.