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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 QZgKI9GxuV+RgCbJ3EkJ1daMp3w5PlHPiF21HuJx7B/f9qQ/dzN+O/y8ftB5zSmz
 GCBTXRGxdb2xvi8FyaLtNw==

<SEC-DOCUMENT>0001157324-09-000004.txt : 20090501
<SEC-HEADER>0001157324-09-000004.hdr.sgml : 20090501
<ACCEPTANCE-DATETIME>20090501164059
ACCESSION NUMBER:		0001157324-09-000004
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20090429
FILED AS OF DATE:		20090501
DATE AS OF CHANGE:		20090501

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DUPONT E I DE NEMOURS & CO
		CENTRAL INDEX KEY:			0000030554
		STANDARD INDUSTRIAL CLASSIFICATION:	PLASTIC MATERIAL, SYNTH RESIN/RUBBER, CELLULOS (NO GLASS) [2820]
		IRS NUMBER:				510014090
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1007 MARKET ST
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19898
		BUSINESS PHONE:		3027741000

	MAIL ADDRESS:	
		STREET 1:		1007 MARKET ST
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19898

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BODMAN SAMUEL W III
		CENTRAL INDEX KEY:			0001157324

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-00815
		FILM NUMBER:		09790011

	MAIL ADDRESS:	
		STREET 1:		THE AES CORPORATION
		STREET 2:		4300 WILSON BLVD
		CITY:			ARLINGTON
		STATE:			VA
		ZIP:			22203
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0203</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2009-04-29</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000030554</issuerCik>
        <issuerName>DUPONT E I DE NEMOURS &amp; CO</issuerName>
        <issuerTradingSymbol>DD</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001157324</rptOwnerCik>
            <rptOwnerName>BODMAN SAMUEL W III</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1007 MARKET STREET</rptOwnerStreet1>
            <rptOwnerStreet2>D-9000</rptOwnerStreet2>
            <rptOwnerCity>WILMINGTON</rptOwnerCity>
            <rptOwnerState>DE</rptOwnerState>
            <rptOwnerZipCode>19898</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>41100</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Mary E. Bowler</signatureName>
        <signatureDate>2009-05-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>poa.htm
<TEXT>
<HTML><BODY><PRE>









U.S. Securities and Exchange Commission

100 F Street, N.E.

Washington, D.C. 20549





Ladies and Gentlemen:



 I hereby authorize Mary E. Bowler, Corporate

Secretary and Corporate Counsel, or any Assistant

Secretary, or their respective successors in office,

to sign and file on my behalf SEC Forms 3, 4 and 5 or

any other SEC forms relating to changes in beneficial

ownership of securities of E. I. du Pont de Nemours

and Company. This authorization shall remain in effect

as long as I am a director of DuPont unless it is

earlier specifically revoked by me.



Very truly yours,





Samuel W. Bodman

Director





Date: May 2, 2008







</PRE></BODY></HTML>
</TEXT>
</DOCUMENT>
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