1. Name and Address of Reporting Person * SHAW CURTIS S	2. Date of Event Requiring Statement (MM/DD/YYYY) 4/18/2005	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) See attached Exhibit 99.1. /
(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)
Series A Common Stock	27100	D

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)	4/18/2015	Series A Common Stock	74000	$15.16	D
Non-Qualified Stock Option (Right to Buy)	(2)	4/18/2015	Series A Common Stock	111000	$15.16	D
Stock Option (Right to Buy)	(3)	4/21/2005	Series A Common Stock	9375	$16.00	D

Explanation of Responses:
(1)	Granted pursuant to the Company's 2004 Stock Incentive Plan. The 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 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.
(3)	Upon his employment with the Company, Mr. Shaw received a right to purchase shares of Series A common stock at a purchase price of $16, which right expired when Mr. Shaw accepted the right to purchase shares offered at $7.20 per share, but did not exercise the right to purchase shares offered at $16 per share.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
SHAW CURTIS S C/O CELANESE CORPORATION 1601 W. LBJ FREEWAY DALLAS, TX 75234			See attached Exhibit 99.1.

Signatures
Mai-Anh Nguyen, on behalf of Curtis S. Shaw		4/26/2005
** 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.

Exhibit 99.1

Mr. Curtis S. Shaw's complete title is Executive Vice President, General Counsel (Americas) and Corporate Secretary.