LIMITED POWER OF ATTORNEY FOR
SECTION 16 REPORTING OBLIGATIONS

Know all by these presents that the undersigned hereby makes, constitutes and
appoints Robert L. Villasenor, Alexander M. Ludlow or Curtis S. Shaw as the
undersigned's true and lawful attorney-in-fact, with full power and authority
as hereinafter described on behalf of and in the name, place and stead of the
undersigned to:

(1)	prepare, execute, acknowledge, deliver and file Forms 3, 4, and 5
including any amendments thereto) with respect to the securities of Celanese
Corporation, a Delaware corporation (the "Company"), with the United States
Securities and Exchange Commission and any national securities exchanges, as
considered necessary or advisable under Section 16(a) of the Securities
Exchange Act of 1934 and the rules and regulations promulgated thereunder, as
amended from time to time (the "Exchange Act");
(2)	seek or obtain, as the undersigned's representative and on the
undersigned's behalf, information on transactions in Celanese's securities
from any third party, including brokers, employee benefit plan administrators
and trustees, and the undersigned hereby authorizes any such person to
release any such information to the undersigned and approves and ratifies any
such release of information; and
(3)	perform any and all other acts which in the discretion of such
attorney-in-fact are necessary or desirable for and on behalf of the
undersigned in connection with the foregoing.

The undersigned acknowledges that:

(1)	this Power of Attorney authorizes, but does not require, such attorney-
in-fact to act in their discretion on information provided to such attorney-
in-fact without independent verification of such information;
(2)	any documents prepared and/or executed by such attorney-in-fact on
behalf of the undersigned pursuant to this Power of Attorney will be in such
form and will contain such information and disclosure as such attorney-in-
fact, in his or her discretion, deems necessary or desirable;
(3)	neither Celanese nor such attorneys-in-fact assumes (i) any liability
for the undersigned's responsibility to comply with the requirement of the
Exchange Act, (ii) any liability of the undersigned for any failure to comply
with such requirements, or (iii) any obligation or liability of the
undersigned for profit disgorgement under Section 16(b) of the Exchange Act;
and
(4)	this Power of Attorney does not relieve the undersigned from
responsibility for compliance with the undersigned's obligations under the
Exchange Act, including without limitation the reporting requirements under
Section 16 of the Exchange Act.

The undersigned hereby gives and grants the foregoing attorney-in-fact full
power and authority to do and perform all and every act and thing whatsoever
requisite, necessary or appropriate to be done in and about the foregoing
matters as fully to all intents and purposes as the undersigned might or
could do if present, hereby ratifying all that such attorney-in-fact of, for
and on behalf of the undersigned, will lawfully do or cause to be done by
virtue of this Power of Attorney.

This Power of Attorney will remain in full force and effect until revoked by
the undersigned in a signed writing delivered to such attorney-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of the date set forth below.


/s/ Kevin  J. Rogan
Signature

Name: Kevin J. Rogan
Dated: October 11, 2007

Witness:

/s/ Robert L. Villasenor
Signature

Name: Robert L. Villasenor
Dated: October 11, 2007