FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person *   delcampo ralph 2. Date of Event Requiring Statement (Month/Day/Year) 04/07/2005 3. Issuer Name and Ticker or Trading Symbol ENZON PHARMACEUTICALS INC [ENZN] (Last) (First) (Middle) C/O ENZON PHARMACEUTICALS, INC., 685 ROUTE 202/206 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) EVP, Technical Operations 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) BRIDGEWATER, NJ 08807 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) 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) Common Stock (1) 101.136 D   Common Stock (2) 25,000 (3) D   Common Stock (2) 7,500 (4) D Â

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		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
Employee Stock Option (Right to Buy) (5)	  (6)	10/02/2012	Common Stock	100,000	$ 18.4	D	Â
Employee Stock Option (Right to Buy) (5)	  (7)	02/06/2014	Common Stock	30,000	$ 14.15	D	Â
Employee Stock Option (Right to Buy) (5)	03/26/2005	03/26/2014	Common Stock	30,000	$ 15.13	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
delcampo ralph C/O ENZON PHARMACEUTICALS, INC. 685 ROUTE 202/206 BRIDGEWATER, NJ 08807	Â	Â	  EVP, Technical Operations	Â

Signatures

/s/ Ralph delCampo		04/18/2005
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	Securities granted by Enzon Pharmaceuticals, Inc. ("Enzon") pursuant to Enzon's 401(k) Savings and Investment Plan.
(2)	Restricted stock granted by Enzon pursuant to Enzon's 2001 Incentive Stock Plan and qualified under Ruel 16b-3(d).
(3)	Of 25,000 shares granted, 7,500 will vest on August 29, 2006, 7,500 will vest on August 29, 2007 and the remaining 10,000 will vest on August 29, 2008.
(4)	Of the 7,500 shares granted, 2,250 will vest on February 6, 2007, 2,250 will vest on February 6, 2008 and the remaining 3,000 will vest on February 6, 2009.
(5)	Employee stock option granted by Enzon pursuant to Enzon's 2001 Stock Plan and qualified under Rule 16b-3(d).
(6)	Of the 100,000 options granted, 25,000 were vested on October 2, 2003, 25,000 were vested on October 2, 2004 and the remaining were vested on April 7, 2005.
(7)	Of the 30,000 options granted, 7,500 were vested on February 6, 2005 and the remaining were vested on April 7, 2005.

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