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C.I. Pigment Yellow 34

CAS 1344-37-2

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

Molecular structure of 1344-37-2
2 Pb²⁺
US productionZero
Import value, 2024$42M
Import volume523.2K lb
Import dependency100%
Top sourceChina 31%

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.

C.I. Pigment Yellow 34 · US import value by year
$48M2013$42M2024$133M2025

2013: $48M · 2024: $42M · Peak 2025: $133M

Where It Comes From

Customs basis: HS 284290, 320620 · basket

EPA reports by year
2023
US production Zero · Imports 523.2K lb
2019
US production Confidential · Imports Confidential

These shares come from HS customs code 284290, 320620, which covers 101 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 31%ChinaDE 26%GermanyMX 17%MexicoCA 8%CanadaGB 3%United Kingdom
EPA-registered importers (1)
Pigments Services

Why It Matters

Sectors
Plastics & RubberPaints & Coatings
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 2 sectors as 1 functional role.

  • •Pigment in Paint and Coating Manufacturing (10%)Processing—incorporation into formulation, mixture, or reaction product
  • •Pigment in Custom Compounding of Purchased Resins (90%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS1344-37-2
PubChem CID138394846
DTXSIDDTXSID8051336
FormulaCrO8Pb2S
Mol. Weight630 g/mol
SMILES[O-]S(=O)(=O)[O-].[O-][Cr](=O)(=O)[O-].[Pb+2].[Pb+2]

Data Sources

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Brief citations

C.I. Pigment Yellow 34 (CAS 1344-37-2) https://chemicalindependence.com/chemical/1344-37-2/ EPA CompTox (DSSTox): DTXSID8051336. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID8051336 PubChem: 138394846. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/138394846 EPA Chemical Data Reporting: 1344-37-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 1344-37-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 284290,320620 for CAS 1344-37-2. Reporting year: 2024. https://usatrade.census.gov/