C.I. Pigment Yellow 159

CAS 68187-15-5

U.S. production volumes are classified as confidential business information.

Molecular structure of 68187-15-5 — 2 Pr³⁺ · 2 Zr⁴⁺

US productionCBI

Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.

Import value, 2024$324M

Top sourceCanada 26%

At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.

Why supply is unknown

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

Where It Comes From

Customs basis: HS 320649 · basket

EPA reports by year

2023: US production Confidential · Imports Confidential
2019: US production Zero · Imports 63.2K lb

These shares come from HS customs code 320649, which covers 45 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).

CA 26%CanadaDE 21%GermanyMX 14%MexicoJP 6%JapanCN 6%China

Colombia
Taiwan
Romania
Egypt
Israel
Slovakia
Turkey
Ireland
Malaysia
Brazil
Switzerland
Finland
Poland
Denmark
South Africa
United Arab Emirates
Cyprus
Greece
Czech Republic
Moldova
Slovenia
Singapore
New Zealand
Indonesia
Hungary
Australia
Peru
Pakistan
Portugal
Honduras
Tunisia

Domestic parents -- activity not disclosed (1)

EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.

Sicer Usa

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.

Vetriceramici Usa

Why It Matters

Sectors

Metals & MiningTextilesPaints & Coatings

Downstream UsesNot recorded

FDA Shortage Status

Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."

No FDA shortage records

Industrial Uses

Used in 3 sectors as 1 functional role.

•Pigment in Paint and Coating ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
•Pigment in Synthetic Dye and Pigment ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
•Pigment in OtherProcessing—incorporation into article

Chemical Identity

CAS68187-15-5

PubChem CID90474775

DTXSIDDTXSID3097393

FormulaO21Pr2Si7Zr2

Mol. Weight996.84 g/mol

SMILES[O-][Si](=O)[O-].[O-][Si](=O)[O-].[O-][Si](=O)[O-].[O-][Si](=O)[O-].[O-][Si](=O)[O-].[O-][Si](=O)[O-].[O-][Si](=O)[O-].[Zr+4].[Zr+4].[Pr+3].[Pr+3]

Data Sources

EPA CompTox (DSSTox) · DTXSID3097393Retrieved 2026-04-06
PubChem · compound 90474775Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
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

C.I. Pigment Yellow 159 (CAS 68187-15-5) https://chemicalindependence.com/chemical/68187-15-5/ EPA CompTox (DSSTox): DTXSID3097393. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID3097393 PubChem: 90474775. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/90474775 EPA Chemical Data Reporting: 68187-15-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 68187-15-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 320649 for CAS 68187-15-5. Reporting year: 2024. https://usatrade.census.gov/