<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0603</schemaVersion>

    <submissionType>D</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001353487</cik>
        <entityName>MAGNEGAS CORP</entityName>
        <issuerAddress>
            <street1>150 Rainville Rd</street1>
            <city>Tarpon Springs</city>
            <stateOrCountry>FL</stateOrCountry>
            <zipCode>34689</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>(727) 934-3448</issuerPhoneNumber>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <issuerPreviousNameList></issuerPreviousNameList>
        <edgarPreviousNameList>
            <previousName>4307 Inc</previousName>
        </edgarPreviousNameList>
        <entityType>Corporation</entityType>
        <yearOfInc>
            <withinFiveYears>true</withinFiveYears>
            <value>2005</value>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Santilli</firstName>
                <middleName>Maria</middleName>
                <lastName>Ruggero</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>150 Rainville Rd</street1>
                <city>Tarpon Springs</city>
                <stateOrCountry>FL</stateOrCountry>
                <zipCode>34689</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
                <relationship>Executive Officer</relationship>
                <relationship>Promoter</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Chairman Of the Board, Chief Executive Officer</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Richard</firstName>
                <lastName>Connelly</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>150 Rainville Rd</street1>
                <city>Tarpon Springs</city>
                <stateOrCountry>FL</stateOrCountry>
                <zipCode>34689</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>President and Director</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Luisa</firstName>
                <lastName>Ingargiola</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>150 Rainville Rd</street1>
                <city>Tarpon Springs</city>
                <stateOrCountry>FL</stateOrCountry>
                <zipCode>34689</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Chief Financial Officer, Secretary, Director</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Carla</firstName>
                <lastName>Santilli</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>150 Rainville Rd</street1>
                <city>Tarpon Springs</city>
                <stateOrCountry>FL</stateOrCountry>
                <zipCode>34689</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Other</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>$1 - $1,000,000</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2009-08-25</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isEquityType>true</isEquityType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>10000</minimumInvestmentAccepted>
        <salesCompensationList></salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>200000</totalOfferingAmount>
            <totalAmountSold>85000</totalAmountSold>
            <totalRemaining>115000</totalRemaining>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>2</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>0</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>0</dollarAmount>
            </grossProceedsUsed>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>MAGNEGAS CORP</issuerName>
                <signatureName>/s/ Dr. Ruggero Maria Santilli</signatureName>
                <nameOfSigner>Dr. Ruggero Maria Santilli</nameOfSigner>
                <signatureTitle>Chairman Of the Board, Chief Executive Officer</signatureTitle>
                <signatureDate>2009-10-09</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
