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
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

ANGEL STEPHEN F 		2. Issuer Name and Ticker or Trading Symbol

PRAXAIR INC [ PX ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

__ X __ Director                      _____ 10% Owner
__ X __ Officer (give title below)      _____ Other (specify below)
Chairman, President & CEO
(Last)          (First)          (Middle)

C/O PRAXAIR, INC., 10 RIVERVIEW DRIVE 		3. Date of Earliest Transaction (MM/DD/YYYY)

2/26/2018
(Street)

DANBURY, CT 06810
(City)        (State)        (Zip)
4. 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 Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3) 		2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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                  2268   I   In trust for children  
Common Stock                  122063   I   Grantor Retained Annuity Trusts  
Common Stock                  34272   I   Angel Descendants Trust  
Common Stock                  9201.3663   I   401(k)  
Common Stock   2/26/2018     M    14703   (1) A $0   136977   D  
 
Common Stock   2/26/2018     F    6814   (2) D $155.62   130163   D  
 
Common stock   2/27/2018     A    38270   (3) A $0   168433   D  
 

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3) 		2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. 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 7. Title and Amount of Securities Underlying Derivative Security
(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
Performance Share Units   $0   (4) 2/26/2018     A      14703         (4)   (4) Common Stock   14703   $0   14703   D  
 
Performance Shares Units   (4)   (4) 2/26/2018     M         14703      (4)   (4) Common Stock   14703     (4) 0   D  
 
Stock Option (right to buy)   $154.00   2/27/2018     A      318780       2/27/2019   (5) 2/27/2028   Common Stock   318780   $0   318780   D  
 
Stock Option (right to buy)   $97.84                    2/22/2012   (6) 2/22/2021   Common Stock   218175     218175   D  
 
Stock Option (right to buy)   $109.68                    2/28/2013   (6) 2/28/2022   Common Stock   236510     236510   D  
 
Stock Option (right to buy)   $110.58                    2/26/2014   (6) 2/26/2023   Common Stock   187015     187015   D  
 
Stock Option (right to buy)   $128.80                    2/25/2015   (6) 2/25/2024   Common Stock   203930     203930   D  
 
Stock Option (right to buy)   $128.38                    2/24/2016   (6) 2/24/2025   Common Stock   261075     261075   D  
 
Stock Option (right to buy)   $102.22                    2/23/2017   (7) 2/23/2026   Common Stock   416355     416355   D  
 
Stock Option (right to buy)   $118.71                    2/28/2018   (8) 2/28/2027   Common Stock   435850     435850   D  
 
Deferred Stock Unit   $0   (9) 2/27/2018     A      248.461         (10)   (10) Common Stock   248.461   $0   68107.1   D  
 

Explanation of Responses:
(1)  Shares of common stock acquired pursuant to the payout of a performance share unit grant made on February 24, 2015 (the "PSU").
(2)  Shares of common stock withheld from the PSU payout to cover tax withholdings.
(3)  Restricted stock unit award granted on February 27, 2018, payable in shares of Praxair Common Stock, vesting 100% on February 27, 2021.
(4)  The PSU paid out on February 26, 2018 and the number of shares awarded and paid out was determined based upon the average annual return on capital ("ROC") of Praxair, Inc. from 2015-2017 measured against ROC goals set by the Compensation and Management Development Committee of the Board of Directors when the PSU was granted in 2015.
(5)  This option vests over three years in three consecutive equal annual installments beginning on February 27, 2019.
(6)  This option became exercisable in three (3) equal annual installments beginning on the first anniversary of the date of grant.
(7)  The option vests over three years in three consecutivve equal annual installments beginning on February 23, 2017.
(8)  This option vests over three years in three consecutive equal annual installments beginning on February 28, 2018.
(9)  Conversion to Praxair Common Stock is on a 1-for-1 basis.
(10)  Deferred stock units acquired under the Praxair Compensation Deferral Plan as amended ("Deferral Plan") and are to be settled in Praxair Common Stock.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
ANGEL STEPHEN F
C/O PRAXAIR, INC.
10 RIVERVIEW DRIVE
DANBURY, CT 06810 		X
Chairman, President & CEO

Signatures
Anthony M. Pepper, Attorney-in-Fact 2/28/2018
** 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 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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