C.I. Solvent Red 19

CAS 6368-72-5

2-Naphthalenamine, N-ethyl-1-[2-[4-(2-phenyldiazenyl)phenyl]diazenyl]-

Molecular structure of 6368-72-5
US productionNot reported
Import value, 2024$50M
Top sourceIndonesia 23%

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 292700 · basket

These shares come from HS customs code 292700, which covers 89 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
ID 23%IndonesiaJP 18%JapanMX 16%MexicoCN 13%ChinaKR 8%South Korea

Why It Matters

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

Vendor Pricing

$2.12/gAA BLOCKS
CountryUnited States
Pack$529.00 / 250 g
Purity96%
Vendors3 available

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

Chemical Identity

CAS6368-72-5
PubChem CIDNot recorded
DTXSIDDTXSID4064266
FormulaC24H21N5
Mol. Weight379.467 g/mol
SMILESCCNC1=CC=C2C=CC=CC2=C1N=NC1=CC=C(C=C1)N=NC1=CC=CC=C1

Data Sources

Brief citations

C.I. Solvent Red 19 (CAS 6368-72-5) https://chemicalindependence.com/chemical/6368-72-5/ EPA TSCA Inventory: CAS 6368-72-5. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 292700 for CAS 6368-72-5. Reporting year: 2024. https://usatrade.census.gov/