Who makes Santoprene now?
Santoprene is sold by Celanese in the U.S., Canada and Latin America. Polymer: TPV. Checked Nov 2, 2026.
The short answer
Owner now (Americas): Celanese
Sold 2021
What changed, and when
ExxonMobil sold the Santoprene business (with Dytron and Geolast) to Celanese. Announced Jun 2021. Closed Dec 1, 2021.
Sources
Ownership history
- Monsanto (1981)
- Advanced Elastomer Systems (1991)
- ExxonMobil Chemical (2002)
- Celanese (2021)
What to check on your Santoprene paperwork
- Ask your seller in writing whether the grade name, suffix and formula are unchanged.
- Get the data sheet and COA from the new owner and compare them line by line with your old ones.
- Look up the UL file holder name for your grade on UL Product iQ.
- Ask for FDA, REACH, RoHS and other letters issued by the new owner.
- Update your supplier record (legal entity, remit-to address, contacts) and confirm any bank change by phone.
Company names you may see on older Santoprene paperwork
Monsanto, Advanced Elastomer Systems, AES, Advanced Elastomer Systems L.P., Solutia, ExxonMobil Chemical, ExxonMobil, Exxon Mobil. If an old drawing, COA or UL file names one of these, it can still refer to Santoprene.
Current Santoprene data sheets
Celanese Santoprene TPV page. Ex-ExxonMobil brand. Grade data sheets are in the Celanese Chemille grade finder (askchemille.com). Use the newest data sheet and COA from the current owner, not a copy saved years ago.
Santoprene grades on this site
Other brands from Celanese
Ateva, Celanex, Celanyl, Celcon, Celstran, Crastin, Forprene, Fortron, FRIANYL, Geolast, GUR, Hostaform, Hytrel, Minlon, Pibiflex, Riteflex.
Buying Santoprene or an alternative
ResinBridge quotes Santoprene where we can source it, or a matched alternative with what differs, from one gaylord to a railcar. See our guide to TPE / TPV.
Questions
Who makes Santoprene now?
Celanese sells Santoprene in the U.S., Canada and Latin America (checked Nov 2, 2026).
Did Santoprene change owners?
Status: Sold 2021. ExxonMobil sold the Santoprene business (with Dytron and Geolast) to Celanese.
Where do I find current Santoprene data sheets?
On the owner's site: Celanese Santoprene TPV page. Use the newest data sheet and COA from the current owner.
From our resin brand ownership tracker, which covers 318 brands with a source for every row. Spot a change we missed? Tell us.
Need Santoprene or a matched alternative?
Send the Santoprene grade you run. A polymer chemist confirms it, quotes it where we can source it, or suggests a matched alternative with what differs.