FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN 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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1. Name and Address of Reporting Person * BULUS DOMINGOS H   2. Issuer Name and Ticker or Trading Symbol PRAXAIR INC [PX] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Vice President (Last) (First) (Middle) C/O PRAXAIR, INC., 39 OLD RIDGEBURY ROAD 3. Date of Earliest Transaction (Month/Day/Year) 05/26/2009 (Street) DANBURY, CT 06810-5113 4. If Amendment, Date Original Filed(Month/Day/Year) 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 Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 05/26/2009   M   17,000 A $ 22.3438 24,395.7196 D   Common Stock 05/26/2009   S   17,000 D $ 72.6071 (1) 7,395.7196 (2) D

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Stock Option (right to buy)

$ 22.3438

05/26/2009

M

17,000

12/14/2000(3)

12/14/2009

Common Stock

17,000

$ 0

0

D

Stock Option (right to buy)

$ 22.01

02/21/2002(3)

02/21/2011

Common Stock

20,000

20,000

D

Stock Option (right to buy)

$ 27.625

12/31/2002(3)

12/31/2011

Common Stock

28,000

28,000

D

Stock Option (right to buy)

$ 26.425

02/28/2004(3)

02/28/2013

Common Stock

30,000

30,000

D

Stock Option (right to buy)

$ 36.58

02/24/2005(3)

02/24/2014

Common Stock

22,000

22,000

D

Stock Option (right to buy)

$ 44.25

02/22/2006(3)

02/22/2015

Common Stock

26,300

26,300

D

Stock Option (right to buy)

$ 53.98

02/28/2007(3)

02/28/2016

Common Stock

23,900

23,900

D

Stock Option (right to buy)

$ 61.47

02/27/2008(3)

02/27/2017

Common Stock

19,300

19,300

D

Stock Option (right to buy)

$ 83.89

02/26/2009(3)

02/26/2018

Common Stock

11,400

11,400

D

Stock Option (right to buy)

$ 83.89

02/26/2011(4)

02/26/2018

Common Stock

6,000

6,000

D

Stock Option

$ 60.92

02/24/2010(3)

02/24/2019

Common Stock

15,000

15,000

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
BULUS DOMINGOS H C/O PRAXAIR, INC. 39 OLD RIDGEBURY ROAD DANBURY, CT 06810-5113			Vice President

Signatures

Anthony M. Pepper, Attorney-in-Fact		05/27/2009
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(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)	The $72.6071 price reported is the weighted average sale price. The sale prices ranged from $72.60 to $72.67 per share. Upon request of the SEC Staff, Praxair, Inc. or a security holder of Praxair, Inc., the reporting person will provide full information regarding the number of shares sold at each separate price.
(2)	This total includes shares previously acquired through automatic dividend reinvestment under the Praxair Dividend Reinvestment and Stock Purchase Plan.
(3)	This option became or becomes exercisable in three (3) equal annual installments beginning on the first anniversary of the date of the grant.
(4)	This option will vest in full if Praxair, Inc. achieves cumulative fiscal year earnings per share growth of at least 33% over 2007 earnings per share at any time prior to January 1, 2011. If vested, the option may be exercised beginning on the third anniversary of the grant date. If Praxair, Inc. fails to meet the cumulative earnings per share goal, this option will be forfeited.

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