FD&C Green No. 3

CAS 2353-45-9

Benzenemethanaminium, N-ethyl-N-[4-[[4-[ethyl[(3-sulfophenyl)methyl]amino]phenyl](4-hydroxy-2-sulfophenyl)methylene]-2,5-cyclohexadien-1-ylidene]-3-sulfo-, inner salt, sodium salt (1:2)

Companies reported imports and no US production of this chemical to EPA for 2023.

Molecular structure of 2353-45-9 — 2 Na⁺

US productionZero

Import value, 2024$56M

Import volume106.0K lb

Import dependency100%

Top sourceIndia 70%

Production is reported production, not a complete census of factories. Production reporting year: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

FD&C Green No. 3 · US import value by year

2013: $63M · Peak 2022: $90M · 2024: $56M · 2025: $58M

Where It Comes From

Customs basis: HS 320412 · basket

EPA reports by year

2023: US production Zero · Imports 106.0K lb

These shares come from HS customs code 320412, which covers 106 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

Country of origin for US imports, from Census customs data (2024).

IN 70%IndiaMY 7%MalaysiaCH 4%SwitzerlandCN 4%ChinaDE 3%Germany

Ireland
United Kingdom
Spain
South Korea
Denmark
Pakistan
Hong Kong
Czech Republic
Brazil
Turkey

EPA-registered importers (1)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

Target

Why It Matters

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

Vendor Pricing

$1.09/gAA BLOCKS

CountryUnited States

Pack$1095.00 / 1 kg

Purity97%

Vendors16 available

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

15 more vendors

Vendor	Country	$/g	Pack	Purity
Aaron Chemicals LLC	Hong Kong	$1.31	100 g	95%
Angene Chemical	China → Hong Kong	$1.42	100 g	97%
A2B Chem LLC	United States	$1.47	250 g	97%
Combi-Blocks, Inc.	United States	$2.60	25 g	95%
AK Scientific, Inc.	United States	$3.29	100 g	95%
Ambeed, Inc.	United States	$4.00	5 g	95%
Angene International Limited	United States	$5.40	100 g	95%
Sigma-Aldrich (Rush Stock)	Germany	$6.13	100 g	—
Sigma-Aldrich	Germany	$6.13	100 g	—
Cayman Europe	Estonia	$8.04	100 g	—
TargetMol Chemicals EU	Austria	$38.00	1 g	97.55%
Molnova	China	$43.00	1 g	99%
TargetMol Chemicals	China → United States	$62.00	500 mg	97.55%
MedKoo Biosciences, Inc	United States	$90.00	5 g	98%
Angene	China → Hong Kong	$4266.67	30 mg	97%

Chemical Identity

CAS2353-45-9

PubChem CIDNot recorded

DTXSIDDTXSID3020673

FormulaC37H34N2Na2O10S3

Mol. Weight808.84 g/mol

SMILES[Na+].[Na+].CCN(CC1=CC(=CC=C1)S([O-])(=O)=O)C1=CC=C(C=C1)C(=C1C=CC(C=C1)=[N+](CC)CC1=CC(=CC=C1)S([O-])(=O)=O)C1=C(C=C(O)C=C1)S([O-])(=O)=O

Data Sources

EPA TSCA InventoryRetrieved 2026-04-29
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

FD&C Green No. 3 (CAS 2353-45-9) https://chemicalindependence.com/chemical/2353-45-9/ EPA TSCA Inventory: CAS 2353-45-9. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 2353-45-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 320412 for CAS 2353-45-9. Reporting year: 2024. https://usatrade.census.gov/