Methanaminium, N-[4-[(2-chlorophenyl)[4-(dimethylamino)phenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-methyl-, chloride (1:1)

CAS 3521-06-0

Molecular structure of 3521-06-0
1 Cl⁻
US productionNot reported
Import value, 2024$24M
Top sourceIndia 35%

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 320413 · basket

These shares come from HS customs code 320413, which covers 64 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IN 35%IndiaMX 27%MexicoDE 16%GermanyTW 3%TaiwanCN 3%China

Why It Matters

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

Vendor Pricing

$7.32/gA2B Chem LLC
CountryUnited States
Pack$183.00 / 25 g
Purity90%
Vendors8 available

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

Chemical Identity

CAS3521-06-0
PubChem CIDNot recorded
DTXSIDDTXSID30883984
FormulaC23H24Cl2N2
Mol. Weight399.36 g/mol
SMILES[Cl-].CN(C)C1=CC=C(C=C1)C(=C1C=CC(C=C1)=[N+](C)C)C1=CC=CC=C1Cl

Data Sources

Brief citations

Methanaminium, N-[4-[(2-chlorophenyl)[4-(dimethylamino)phenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-methyl-, chloride (1:1) (CAS 3521-06-0) https://chemicalindependence.com/chemical/3521-06-0/ EPA TSCA Inventory: CAS 3521-06-0. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 320413 for CAS 3521-06-0. Reporting year: 2024. https://usatrade.census.gov/