-----BEGIN PRIVACY-ENHANCED MESSAGE-----
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,
 QuEYXOt4NcbptuInwntb8PGOkXCQSbovoZYicno3F62lBn7hxINjZ2mZ+dGKf1c+
 YQTlC04Ry/FLMEJaTv/pCA==

<SEC-DOCUMENT>0000002969-08-000019.txt : 20080102
<SEC-HEADER>0000002969-08-000019.hdr.sgml : 20080101
<ACCEPTANCE-DATETIME>20080102155800
ACCESSION NUMBER:		0000002969-08-000019
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20071231
FILED AS OF DATE:		20080102
DATE AS OF CHANGE:		20080102

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AIR PRODUCTS & CHEMICALS INC /DE/
		CENTRAL INDEX KEY:			0000002969
		STANDARD INDUSTRIAL CLASSIFICATION:	INDUSTRIAL INORGANIC CHEMICALS [2810]
		IRS NUMBER:				231274455
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0930

	BUSINESS ADDRESS:	
		STREET 1:		7201 HAMILTON BLVD
		CITY:			ALLENTOWN
		STATE:			PA
		ZIP:			18195-1501
		BUSINESS PHONE:		6104814911

	MAIL ADDRESS:	
		STREET 1:		7201 HAMILTON BLVD
		CITY:			ALLENTOWN
		STATE:			PA
		ZIP:			18195-1501

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Marsland John W
		CENTRAL INDEX KEY:			0001374207

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-04534
		FILM NUMBER:		08501868

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		610-481-8657

	MAIL ADDRESS:	
		STREET 1:		7201 HAMILTON BOULEVARD
		CITY:			ALLENTOWN
		STATE:			PA
		ZIP:			18195-1501
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>mar509.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2007-12-31</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000002969</issuerCik>
        <issuerName>AIR PRODUCTS &amp; CHEMICALS INC /DE/</issuerName>
        <issuerTradingSymbol>APD</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001374207</rptOwnerCik>
            <rptOwnerName>Marsland John W</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>7201 HAMILTON BOULEVARD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>ALLENTOWN</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>18195</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>V. P. and G. M.</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Deferred Stock Units</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F2"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2007-12-31</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>162.54</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>98.63</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>1988-08-08</value>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <value>1988-08-08</value>
                <footnoteId id="F3"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>162.54</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>302.54</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Deferred Stock Units (Units) acquired under the Air Products and Chemicals, Inc. Deferred Compensation Plan.</footnote>
        <footnote id="F2">Not applicable to this security.</footnote>
        <footnote id="F3">The Units are generally payable in the form of shares of Common Stock equal in number to the Units, after the reporting person's term of employment ends, in a lump sum or up to 10 installments as elected by the reporting person in advance.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>By: Linda M. Svoboda as Attorney in Fact</signatureName>
        <signatureDate>2008-01-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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