<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>
    <periodOfReport>2004-01-05</periodOfReport>
    <notSubjectToSection16>0</notSubjectToSection16>
    <issuer>
        <issuerCik>0000912513</issuerCik>
        <issuerName>CYTEC INDUSTRIES INC/DE/</issuerName>
        <issuerTradingSymbol>CYT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001173585</rptOwnerCik>
            <rptOwnerName>FERNANDES ANTHONY G</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>267 KIMBERLY LANE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>LAKE FOREST</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode></rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>
  <nonDerivativeTable>
  </nonDerivativeTable>
  <derivativeTable>
   <derivativeTransaction>
      <securityTitle>
          <value>Deferred Stock Award</value>
      </securityTitle>
      <conversionOrExercisePrice>
          <value>38.39</value>
      </conversionOrExercisePrice>
      <transactionDate>
          <value>2004-01-05</value>
      </transactionDate>
      <deemedExecutionDate>
          <value>2004-01-05</value>
      </deemedExecutionDate>
      <transactionCoding>
          <transactionFormType>4</transactionFormType>
          <transactionCode>A</transactionCode>
          <equitySwapInvolved>0</equitySwapInvolved>
      </transactionCoding>
      <transactionAmounts>
          <transactionShares>
              <value>260.00</value>
          </transactionShares>
          <transactionPricePerShare>
              <value>38.39</value>
          </transactionPricePerShare>
          <transactionAcquiredDisposedCode>
              <value>A</value>
          </transactionAcquiredDisposedCode>
      </transactionAmounts>
      <exerciseDate>
          <value>1988-08-08</value>
              <footnoteId id="F1" />
      </exerciseDate>
      <expirationDate>
          <value>1988-08-08</value>
      </expirationDate>
      <underlyingSecurity>
          <underlyingSecurityTitle>
              <value>Common Stock</value>
          </underlyingSecurityTitle>
          <underlyingSecurityShares>
              <value>260.00</value>
          </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
          <sharesOwnedFollowingTransaction>
              <value>260.00</value>
          </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
          <directOrIndirectOwnership>
              <value>D</value>
          </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeTransaction>
  </derivativeTable>
<footnotes>
   <footnote id="F1">Pursuant to stockholder approved 1993 Stock Award and Incentive  Plan, and an election made by Mr. Fernandes, Mr. Fernandes received a deferred stock award of 260 shares in lieu of his $10,000 semi annual retainer fee.  Deferred stock awards are paid for no additional consideration in the form of an equivalent number of shares of common stock following termination of service as a director.</footnote>
</footnotes>
<remarks></remarks>    <ownerSignature>
       <signatureName>Anthony G. Fernandes</signatureName>
       <signatureDate>2004-01-06</signatureDate>
    </ownerSignature>
</ownershipDocument>

