FD&C Green No. 1

CAS 4680-78-8

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

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

Molecular structure of 4680-78-8 — 1 Na⁺

US productionZero

Import value, 2024$56M

Import volume141.0K 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. 1 · 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 141.0K 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

$0.73/gA2B Chem LLC

CountryUnited States

Pack$733.00 / 1 kg

PurityNot recorded

Vendors8 available

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

7 more vendors

Vendor	Country	$/g	Pack	Purity
AA BLOCKS	United States	$0.77	1 kg	—
Aaron Chemicals LLC	Hong Kong	$2.62	100 g	—
Angene Chemical	China → Hong Kong	$2.65	100 g	—
AK Scientific, Inc.	United States	$16.80	5 g	—
MedKoo Biosciences, Inc	United States	$18.00	25 g	98%
Angene International Limited	United States	$33.00	5 g	—
Angene	China → Hong Kong	$4266.67	30 mg	—

Chemical Identity

CAS4680-78-8

PubChem CIDNot recorded

DTXSIDDTXSID3020671

FormulaC37H35N2NaO6S2

Mol. Weight690.8 g/mol

SMILES[Na+].CCN(CC1=CC(=CC=C1)S([O-])(=O)=O)C1=CC=C(C=C1)C(C1=CC=CC=C1)=C1C=CC(C=C1)=[N+](CC)CC1=CC(=CC=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. 1 (CAS 4680-78-8) https://chemicalindependence.com/chemical/4680-78-8/ EPA TSCA Inventory: CAS 4680-78-8. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 4680-78-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 320412 for CAS 4680-78-8. Reporting year: 2024. https://usatrade.census.gov/