C.I. Disperse Orange 25
CAS 31482-56-1
Propanenitrile, 3-[ethyl[4-[2-(4-nitrophenyl)diazenyl]phenyl]amino]-
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
$0.91/gAA BLOCKS (2 weeks)
CountryUnited States
Pack$91.00 / 100 g
PurityNot recorded
Vendors2 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
1 more vendor
| 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 | $1.00 | 100 g | — |
Chemical Identity
CAS31482-56-1
PubChem CIDNot recorded
DTXSIDDTXSID5051999
FormulaC17H17N5O2
Mol. Weight323.356 g/mol
SMILESCCN(CCC#N)C1=CC=C(C=C1)N=NC1=CC=C(C=C1)[N+]([O-])=O
Data Sources
- EPA TSCA InventoryRetrieved 2026-10-04
Brief citations
C.I. Disperse Orange 25 (CAS 31482-56-1) https://chemicalindependence.com/chemical/31482-56-1/ EPA TSCA Inventory: CAS 31482-56-1. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory