Hematoxylin

CAS 517-28-2

Benz[b]indeno[1,2-d]pyran-3,4,6a,9,10(6H)-pentol, 7,11b-dihydro-, (6aS,11bR)-

US productionNot reported

Import value, 2024$216M

Top sourceIndia 20%

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 320300 · basket

These shares come from HS customs code 320300, which covers 16 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 20%IndiaNZ 14%New ZealandNL 12%NetherlandsIT 12%ItalyPE 10%Peru

Switzerland
Australia
Indonesia
Czech Republic
Dominican Republic
Taiwan
Ecuador
Slovenia
Ivory Coast
South Korea
Poland
Sweden
Philippines
Chile
Finland
Colombia
Nicaragua
Belgium
Austria
El Salvador
Honduras
Greece
Vietnam
Hungary
Pakistan
Morocco
Lebanon
South Africa

Why It Matters

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

Vendor Pricing

$4.00/gAstaTech (2 weeks)

CountryUnited States

Pack$40.00 / 10 g

Purity95%

Vendors6 available

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

5 more vendors

Vendor	Country	$/g	Pack	Purity
Vitas M Chemical Limited	Hong Kong	$102.00	5 g	90%
Labotest KG	Germany	$217.80	5000 mg	90%
Princeton BioMolecular Research (SC)	United States	$2900.00	100 mg	90%
Asinex	Netherlands	$9292.80	50 mg	90%
AnalytiCon Discovery - a Division of BRAIN Biotech AG	Germany	$73652.70	100 mg	85%

Chemical Identity

CAS517-28-2

PubChem CIDNot recorded

DTXSIDDTXSID8020678

FormulaC16H14O6

Mol. Weight302.282 g/mol

SMILES[H][C@]12C3=CC(O)=C(O)C=C3C[C@@]1(O)COC1=C2C=CC(O)=C1O

Data Sources

EPA TSCA InventoryRetrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Hematoxylin (CAS 517-28-2) https://chemicalindependence.com/chemical/517-28-2/ EPA TSCA Inventory: CAS 517-28-2. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 320300 for CAS 517-28-2. Reporting year: 2024. https://usatrade.census.gov/