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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 HOroejOiwSGKu+WTyRZctIfVSQLoQaeGBs4JRlBZcHrceM5OezSIl+jIaFC6PbuL
 OoY6qL5Q2OmT94Y/AhTMaw==

<SEC-DOCUMENT>0000884905-03-000206.txt : 20030926
<SEC-HEADER>0000884905-03-000206.hdr.sgml : 20030926
<ACCEPTANCE-DATETIME>20030926073125
ACCESSION NUMBER:		0000884905-03-000206
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030925
FILED AS OF DATE:		20030926

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ANGEL STEPHEN F
		CENTRAL INDEX KEY:			0001190775

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-11037
		FILM NUMBER:		03911083

	MAIL ADDRESS:	
		STREET 1:		39 OLD RIDGEBURY ROAD
		CITY:			DANBURY
		STATE:			CT
		ZIP:			06810-5113

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PRAXAIR INC
		CENTRAL INDEX KEY:			0000884905
		STANDARD INDUSTRIAL CLASSIFICATION:	INDUSTRIAL INORGANIC CHEMICALS [2810]
		IRS NUMBER:				061249050
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		39 OLD RIDGEBURY RD
		CITY:			DANBURY
		STATE:			CT
		ZIP:			06810-5113
		BUSINESS PHONE:		2038372000

	MAIL ADDRESS:	
		STREET 1:		39 OLD RIDGEBURY ROAD
		CITY:			DANBURY
		STATE:			CT
		ZIP:			06810-5113

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	UNION CARBIDE INDUSTRIAL GASES INC
		DATE OF NAME CHANGE:	19600201
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType><periodOfReport>2003-09-25</periodOfReport>
    <issuer>
        <issuerCik>0000884905</issuerCik>
        <issuerName>PRAXAIR INC</issuerName>
        <issuerTradingSymbol>PX</issuerTradingSymbol></issuer><reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001190775</rptOwnerCik>
            <rptOwnerName>ANGEL STEPHEN F</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>39 OLD RIDGEBURY ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>DANBURY</rptOwnerCity>
            <rptOwnerState>CT</rptOwnerState>
            <rptOwnerZipCode>06810-5113</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>0</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>Executive Vice President</officerTitle></reportingOwnerRelationship></reportingOwner><derivativeTable><derivativeTransaction><securityTitle><value>Deferred Stock</value><footnoteId id="F1"/></securityTitle><conversionOrExercisePrice><value>0</value><footnoteId id="F2"/></conversionOrExercisePrice><transactionDate><value>2003-09-25</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>319.495</value></transactionShares><transactionPricePerShare><value>54.774</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>1988-08-08</value><footnoteId id="F3"/></exerciseDate><expirationDate><value>1988-08-08</value><foot
noteId id="F3"/></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>319.495</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>20949.423</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></derivativeTransaction></derivativeTable><footnotes><footnote id="F1">Deferred stock units accrued under the 1993 Praxair, Inc. Compensation Deferral Program as amended and are to be settled in Praxair Common Stock.</footnote><footnote id="F2">Conversion to Praxair Common Stock is on a 1-for-1 basis.</footnote><footnote id="F3">See Note (1) above.</footnote></footnotes><remarks/><ownerSignature><signatureName>Mark S. Lyon, Attorney-in-Fact</signatureName><signatureDate>2003-09-26</signatureDate></
ownerSignature></ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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