    <SEC-DOCUMENT>0001193125-20-079831-index.html : 20200320
    <SEC-HEADER>0001193125-20-079831.hdr.sgml : 20200320
    <ACCEPTANCE-DATETIME>20200320061306
    ACCESSION NUMBER:		0001193125-20-079831
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		6
    CONFORMED PERIOD OF REPORT:	20200506
    FILED AS OF DATE:		20200320
    DATE AS OF CHANGE:		20200320
    EFFECTIVENESS DATE:		20200320

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			INNOSPEC INC.
    		CENTRAL INDEX KEY:			0001054905
    		STANDARD INDUSTRIAL CLASSIFICATION:	CHEMICALS & ALLIED PRODUCTS [2800]
    		IRS NUMBER:				981081725
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-13879
    		FILM NUMBER:		20730110

    	BUSINESS ADDRESS:
    		STREET 1:		8310 SOUTH VALLEY HIGHWAY
    		STREET 2:		SUITE 350
    		CITY:			ENGLEWOOD
    		STATE:			CO
    		ZIP:			80112
    		BUSINESS PHONE:		303-566-0528

    	MAIL ADDRESS:
    		STREET 1:		8310 SOUTH VALLEY HIGHWAY
    		STREET 2:		SUITE 350
    		CITY:			ENGLEWOOD
    		STATE:			CO
    		ZIP:			80112

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	OCTEL CORP
    		DATE OF NAME CHANGE:	19980209
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEF 14A
    <SEQUENCE>1
    <FILENAME>d893865ddef14a.htm
    <DESCRIPTION>DEF 14A
    <TEXT>
    Document 1 - file: d893865ddef14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>g893865g21d49.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: g893865g21d49.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>g893865g45v14.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: g893865g45v14.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>g893865g47y63.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: g893865g47y63.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>g893865g48p16.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: g893865g48p16.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>g893865g49b14.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: g893865g49b14.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>