1,3-Propanediamine, N1,N3-bis(2-aminoethyl)-
CAS 4741-99-5
EPA and Census publish no US supply data for this chemical.
US productionNot reported
Top sourceNo public record
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 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.
Vendor Pricing
$1.61/gEvoBlocks, Ltd.
CountryHungary
Pack$3224.00 / 2 kg
Purity95%
Vendors18 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
17 more vendors
| Vendor | Country Supplier country. Where available, shows shipping origin. When the supplier ships from a different country than where they are registered, both are shown. Most suppliers show registration country only. | $/g | Pack | Purity |
|---|---|---|---|---|
| Aaron Chemicals LLC | Hong Kong | $1.86 | 100 g | 95% |
| Combi-Blocks, Inc. | United States | $1.92 | 500 g | 97% |
| Angene Chemical | China → Hong Kong | $2.00 | 100 g | 97% |
| A2B Chem LLC | United States | $2.10 | 500 g | 97% |
| AA BLOCKS | United States | $2.21 | 500 g | 95% |
| Chemscene | United States | $2.32 | 25 g | — |
| Ambeed, Inc. | United States | $2.40 | 25 g | 95% |
| Fluorochem EU | Germany | $2.76 | 25 g | 95% |
| Fluorochem UK | United Kingdom | $2.80 | 25 g | 95% |
| Apollo Scientific US | United Kingdom | $5.44 | 25 g | 95% |
| AstaTech (2 weeks) | United States | $6.44 | 25 g | 95% |
| AK Scientific, Inc. | United States | $19.60 | 5 g | 98% |
| Angene International Limited | United States | $37.20 | 5 g | 98% |
| Sigma-Aldrich (Rush Stock) | Germany | $41.03 | 5 g | 97% |
| Sigma-Aldrich | Germany | $41.03 | 5 g | 97% |
| ALFA AESAR | Germany | $64.32 | 1 g | 97% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 97% |
Chemical Identity
CAS4741-99-5
PubChem CIDNot recorded
DTXSIDDTXSID8063591
FormulaC7H20N4
Mol. Weight160.265 g/mol
SMILESNCCNCCCNCCN
Data Sources
- EPA TSCA InventoryRetrieved 2026-10-04
Brief citations
1,3-Propanediamine, N1,N3-bis(2-aminoethyl)- (CAS 4741-99-5) https://chemicalindependence.com/chemical/4741-99-5/ EPA TSCA Inventory: CAS 4741-99-5. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory