Propanoic acid, 3-hydroxy-2-(hydroxymethyl)-2-methyl-, polymer with 1,6-diisocyanato-2,2,4-trimethylhexane, 1,6-diisocyanato-2,4,4-trimethylhexane, hydrazine, α-hydro-ω-hydroxypoly(oxy-1,4-butanediyl) and 5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane, compd. with N,N-diethylethanamine
CAS 221682-20-8
EPA and Census publish no US supply data for this chemical.
US productionNot reported
Top sourceNo public record
EPA exempts this chemical from its production survey.
Why supply is unknownWhere It Comes From
EPA and Census publish no US supply data for this chemical.
Why It Matters
No EPA sector or FDA product records name a use for this chemical.
Chemical Identity
CAS221682-20-8
PubChem CIDNot recorded
DTXSIDDTXSID101022791
FormulaNot recorded
Mol. WeightNot recorded
SMILESNot recorded
Data Sources
- EPA TSCA InventoryRetrieved 2026-10-04
Brief citations
Propanoic acid, 3-hydroxy-2-(hydroxymethyl)-2-methyl-, polymer with 1,6-diisocyanato-2,2,4-trimethylhexane, 1,6-diisocyanato-2,4,4-trimethylhexane, hydrazine, α-hydro-ω-hydroxypoly(oxy-1,4-butanediyl) and 5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane, compd. with N,N-diethylethanamine (CAS 221682-20-8) https://chemicalindependence.com/chemical/221682-20-8/ EPA TSCA Inventory: CAS 221682-20-8. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory