<PAGE>
 
                                                                    EXHIBIT 24.1

                               POWER OF ATTORNEY
                               -----------------

          As a Director and/or Officer of Hoechst Celanese Corporation, which
will file with the Securities and Exchange Commission, Washington, D.C., its
Annual Report on Form 10-K for the year of 1995 pursuant to the provisions of
the Securities Exchange Act of 1934, I do hereby constitute and appoint Harry R.
Benz, Thomas F. Kennedy and David A. Jenkins, and each of them (with full power
to each of them to act alone) my true and lawful attorney-in-fact and agent,
with full power of substitution and resubstitution for me and in my name, place,
and stead, in my offices and capacities as aforesaid and on behalf of the
Corporation, to execute and file the said Annual Report on Form 10-K, any
amendment thereto and any and all other documents to be signed and filed with
the Securities and Exchange Commission in connection therewith; granting unto
said attorneys-in-fact and agents and each of them, full power and authority to
do and perform each and every act and thing requisite and necessary to be done
in and about the premises as fully to all intents and purposes as I might or
could do in person hereby ratifying and confirming all that said attorneys-in-
fact and agents or any of them or their substitutes may lawfully do or cause to
be done by virtue hereof.

          IN WITNESS WHEREOF, I have executed this instrument on
February 27, 1996.

                                              By: /s/ Richard J. Bailey
                                                 --------------------------
                                                      Richard J. Bailey
 
<PAGE>
 
                               POWER OF ATTORNEY
                               -----------------

          As a Director and/or Officer of Hoechst Celanese Corporation, which
will file with the Securities and Exchange Commission, Washington, D.C., its
Annual Report on Form 10-K for the year of 1995 pursuant to the provisions of
the Securities Exchange Act of 1934, I do hereby constitute and appoint Harry R.
Benz, Thomas F. Kennedy and David A. Jenkins, and each of them (with full power
to each of them to act alone) my true and lawful attorney-in-fact and agent,
with full power of substitution and resubstitution for me and in my name, place,
and stead, in my offices and capacities as aforesaid and on behalf of the
Corporation, to execute and file the said Annual Report on Form 10-K, any
amendment thereto and any and all other documents to be signed and filed with
the Securities and Exchange Commission in connection therewith; granting unto
said attorneys-in-fact and agents and each of them, full power and authority to
do and perform each and every act and thing requisite and necessary to be done
in and about the premises as fully to all intents and purposes as I might or
could do in person hereby ratifying and confirming all that said attorneys-in-
fact and agents or any of them or their substitutes may lawfully do or cause to
be done by virtue hereof.

          IN WITNESS WHEREOF, I have executed this instrument on
February 27, 1996.

                                    By:   /s/ Harry R. Benz
                                       ---------------------------
                                              Harry R. Benz
<PAGE>
 
                               POWER OF ATTORNEY
                               -----------------

          As a Director and/or Officer of Hoechst Celanese Corporation, which
will file with the Securities and Exchange Commission, Washington, D.C., its
Annual Report on Form 10-K for the year of 1995 pursuant to the provisions of
the Securities Exchange Act of 1934, I do hereby constitute and appoint Harry R.
Benz, Thomas F. Kennedy and David A. Jenkins, and each of them (with full power
to each of them to act alone) my true and lawful attorney-in-fact and agent,
with full power of substitution and resubstitution for me and in my name, place,
and stead, in my offices and capacities as aforesaid and on behalf of the
Corporation, to execute and file the said Annual Report on Form 10-K, any
amendment thereto and any and all other documents to be signed and filed with
the Securities and Exchange Commission in connection therewith; granting unto
said attorneys-in-fact and agents and each of them, full power and authority to
do and perform each and every act and thing requisite and necessary to be done
in and about the premises as fully to all intents and purposes as I might or
could do in person hereby ratifying and confirming all that said attorneys-in-
fact and agents or any of them or their substitutes may lawfully do or cause to
be done by virtue hereof.

          IN WITNESS WHEREOF, I have executed this instrument on
February 27, 1996.

                                      By:  /s/  William B. Harris
                                         ------------------------------
                                                William B. Harris
<PAGE>
 
                               POWER OF ATTORNEY
                               -----------------

          As a Director and/or Officer of Hoechst Celanese Corporation, which
will file with the Securities and Exchange Commission, Washington, D.C., its
Annual Report on Form 10-K for the year of 1995 pursuant to the provisions of
the Securities Exchange Act of 1934, I do hereby constitute and appoint Harry R.
Benz, Thomas F. Kennedy and David A. Jenkins, and each of them (with full power
to each of them to act alone) my true and lawful attorney-in-fact and agent,
with full power of substitution and resubstitution for me and in my name, place,
and stead, in my offices and capacities as aforesaid and on behalf of the
Corporation, to execute and file the said Annual Report on Form 10-K, any
amendment thereto and any and all other documents to be signed and filed with
the Securities and Exchange Commission in connection therewith; granting unto
said attorneys-in-fact and agents and each of them, full power and authority to
do and perform each and every act and thing requisite and necessary to be done
in and about the premises as fully to all intents and purposes as I might or
could do in person hereby ratifying and confirming all that said attorneys-in-
fact and agents or any of them or their substitutes may lawfully do or cause to
be done by virtue hereof.

          IN WITNESS WHEREOF, I have executed this instrument on
February 27, 1996.

                                 By: /s/ David A. Jenkins
                                     --------------------------
                                         David A. Jenkins
<PAGE>
 
                               POWER OF ATTORNEY
                               -----------------

          As a Director and/or Officer of Hoechst Celanese Corporation, which
will file with the Securities and Exchange Commission, Washington, D.C., its
Annual Report on Form 10-K for the year of 1995 pursuant to the provisions of
the Securities Exchange Act of 1934, I do hereby constitute and appoint Harry R.
Benz, Thomas F. Kennedy and David A. Jenkins, and each of them (with full power
to each of them to act alone) my true and lawful attorney-in-fact and agent,
with full power of substitution and resubstitution for me and in my name, place,
and stead, in my offices and capacities as aforesaid and on behalf of the
Corporation, to execute and file the said Annual Report on Form 10-K, any
amendment thereto and any and all other documents to be signed and filed with
the Securities and Exchange Commission in connection therewith; granting unto
said attorneys-in-fact and agents and each of them, full power and authority to
do and perform each and every act and thing requisite and necessary to be done
in and about the premises as fully to all intents and purposes as I might or
could do in person hereby ratifying and confirming all that said attorneys-in-
fact and agents or any of them or their substitutes may lawfully do or cause to
be done by virtue hereof.

          IN WITNESS WHEREOF, I have executed this instrument on
February 27, 1996.


                                             By:  /s/ Thomas F. Kennedy
                                                 --------------------------
                                                      Thomas F. Kennedy
<PAGE>
 
                               POWER OF ATTORNEY
                               -----------------

          As a Director and/or Officer of Hoechst Celanese Corporation, which
will file with the Securities and Exchange Commission, Washington, D.C., its
Annual Report on Form 10-K for the year of 1995 pursuant to the provisions of
the Securities Exchange Act of 1934, I do hereby constitute and appoint Harry R.
Benz, Thomas F. Kennedy and David A. Jenkins, and each of them (with full power
to each of them to act alone) my true and lawful attorney-in-fact and agent,
with full power of substitution and resubstitution for me and in my name, place,
and stead, in my offices and capacities as aforesaid and on behalf of the
Corporation, to execute and file the said Annual Report on Form 10-K, any
amendment thereto and any and all other documents to be signed and filed with
the Securities and Exchange Commission in connection therewith; granting unto
said attorneys-in-fact and agents and each of them, full power and authority to
do and perform each and every act and thing requisite and necessary to be done
in and about the premises as fully to all intents and purposes as I might or
could do in person hereby ratifying and confirming all that said attorneys-in-
fact and agents or any of them or their substitutes may lawfully do or cause to
be done by virtue hereof.

          IN WITNESS WHEREOF, I have executed this instrument on
February 27, 1996.


                                               By: /s/ Guenter Metz
                                                   -----------------------
                                                   Dr. Guenter Metz
<PAGE>
 
                               POWER OF ATTORNEY
                               -----------------

          As a Director and/or Officer of Hoechst Celanese Corporation, which
will file with the Securities and Exchange Commission, Washington, D.C., its
Annual Report on Form 10-K for the year of 1995 pursuant to the provisions of
the Securities Exchange Act of 1934, I do hereby constitute and appoint Harry R.
Benz, Thomas F. Kennedy and David A. Jenkins, and each of them (with full power
to each of them to act alone) my true and lawful attorney-in-fact and agent,
with full power of substitution and resubstitution for me and in my name, place,
and stead, in my offices and capacities as aforesaid and on behalf of the
Corporation, to execute and file the said Annual Report on Form 10-K, any
amendment thereto and any and all other documents to be signed and filed with
the Securities and Exchange Commission in connection therewith; granting unto
said attorneys-in-fact and agents and each of them, full power and authority to
do and perform each and every act and thing requisite and necessary to be done
in and about the premises as fully to all intents and purposes as I might or
could do in person hereby ratifying and confirming all that said attorneys-in-
fact and agents or any of them or their substitutes may lawfully do or cause to
be done by virtue hereof.

          IN WITNESS WHEREOF, I have executed this instrument on
February 27, 1996.

                                        By:  /s/ Klaus Warning
                                            ------------------------
                                             Dr. Klaus Warning