Polypropylene glycol triethanolamine ether (3:1)

CAS 37208-53-0

Poly[oxy(methyl-1,2-ethanediyl)], α,α',α''-(nitrilotri-2,1-ethanediyl)tris[ω-hydroxy-

Molecular structure of 37208-53-0
US productionNot reported
Import value, 2024$524M
Top sourceSouth Korea 27%

EPA exempts this chemical from its production survey.

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 390729 · basket

These shares come from HS customs code 390729, which covers 46 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
KR 27%South KoreaDE 13%GermanyCN 11%ChinaJP 9%JapanCH 8%Switzerland

Why It Matters

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

Chemical Identity

CAS37208-53-0
PubChem CIDNot recorded
DTXSIDDTXSID601012638
Formula(C3H6)n(C3H6)n(C3H6)nC6H15NO6
Mol. WeightNot recorded
SMILESOCCCOCCN(CCOCCCO)CCOCCCO |lp:0:2,4:2,7:1,10:2,14:2,17:2,21:2,Sg:n:3,2,1::ht,Sg:n:18,19,20::ht,Sg:n:11,12,13::ht|

Data Sources

Brief citations

Polypropylene glycol triethanolamine ether (3:1) (CAS 37208-53-0) https://chemicalindependence.com/chemical/37208-53-0/ EPA TSCA Inventory: CAS 37208-53-0. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 390729 for CAS 37208-53-0. Reporting year: 2024. https://usatrade.census.gov/