Pentaerythritol monostearate

CAS 78-23-9

Octadecanoic acid, 3-hydroxy-2,2-bis(hydroxymethyl)propyl ester

Molecular structure of 78-23-9
US productionNot reported
Import value, 2024$114M
Top sourceIndonesia 27%

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

Why supply is unknown

Production is reported production, not a complete census of factories. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 291570 · basket

These shares come from HS customs code 291570, which covers 96 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
ID 27%IndonesiaMY 25%MalaysiaSG 12%SingaporeIN 10%IndiaIT 6%Italy

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Vendor Pricing

$0.50/gAaron Chemicals LLC
CountryHong Kong
Pack$50.00 / 100 g
Purity95%
Vendors5 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

Chemical Identity

CAS78-23-9
PubChem CIDNot recorded
DTXSIDDTXSID0052675
FormulaC23H46O5
Mol. Weight402.616 g/mol
SMILESCCCCCCCCCCCCCCCCCC(=O)OCC(CO)(CO)CO

Data Sources

Brief citations

Pentaerythritol monostearate (CAS 78-23-9) https://chemicalindependence.com/chemical/78-23-9/ EPA TSCA Inventory: CAS 78-23-9. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 291570 for CAS 78-23-9. Reporting year: 2024. https://usatrade.census.gov/