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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 GDQ6oMKUR3KahQ3qdLH9dU6bJk820oVPhnEtsFId9LoUO23VnYL+8t8P0i0N4F8+
 QSIaxU3dQ+PFdCFqxYmXHA==

<SEC-DOCUMENT>0001209191-05-041176.txt : 20050805
<SEC-HEADER>0001209191-05-041176.hdr.sgml : 20050805
<ACCEPTANCE-DATETIME>20050805203317
ACCESSION NUMBER:		0001209191-05-041176
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050803
FILED AS OF DATE:		20050805
DATE AS OF CHANGE:		20050805

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DIONEX CORP /DE
		CENTRAL INDEX KEY:			0000708850
		STANDARD INDUSTRIAL CLASSIFICATION:	INDUSTRIAL INSTRUMENTS FOR MEASUREMENT, DISPLAY, AND CONTROL [3823]
		IRS NUMBER:				942647429
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			0630

	BUSINESS ADDRESS:	
		STREET 1:		1228 TITAN WAY
		STREET 2:		P O BOX 3603
		CITY:			SUNNYVALE
		STATE:			CA
		ZIP:			94086-3603
		BUSINESS PHONE:		4087370700

	MAIL ADDRESS:	
		STREET 1:		1228 TITAN WAY
		CITY:			SUNNYVALE
		STATE:			CA
		ZIP:			94088-3603

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			JOCHUM PETER DR
		CENTRAL INDEX KEY:			0001243259

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-11250
		FILM NUMBER:		051004215

	MAIL ADDRESS:	
		STREET 1:		1228 TITAN WAY
		CITY:			SUNNYVALE
		STATE:			CA
		ZIP:			94085
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>bpa11555_bpa5pj.xml
<DESCRIPTION>MAIN DOCUMENT DESCRIPTION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-08-03</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000708850</issuerCik>
        <issuerName>DIONEX CORP /DE</issuerName>
        <issuerTradingSymbol>DNEX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001243259</rptOwnerCik>
            <rptOwnerName>JOCHUM PETER DR</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1228 TITAN WAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SUNNYVALE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94085</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Vice President</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Non-Qualified Stock Option</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>48.050</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2005-08-03</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>16000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>48.050</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2006-08-03</value>
            </exerciseDate>
            <expirationDate>
                <value>2015-08-02</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>16000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>97250</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <ownerSignature>
        <signatureName>/s/ Craig A. McCollam for Dr. Peter Jochum</signatureName>
        <signatureDate>2005-08-05</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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