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C.I. Pigment Blue 61

CAS 1324-76-1

EPA’s 2023 records show zero U.S. production of this chemical.

Molecular structure of 1324-76-1
US productionZero
Import value, 2024$419M
Import volumeCBI
Top sourceIndia 31%

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. 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 320417 · basket

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

These shares come from HS customs code 320417, which covers 80 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IN 31%IndiaCN 21%ChinaDE 17%GermanyKR 6%South KoreaCA 5%Canada
Domestic parents -- activity not disclosed (1)
Flint Cps Inks North America

Why It Matters

Sectors
Paper & Printing
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 2 sectors as 1 functional role.

  • •Pigment in Printing and Related Support ActivitiesProcessing—repackaging
  • •Pigment in Printing Ink ManufacturingProcessing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS1324-76-1
PubChem CID156614038
DTXSIDDTXSID2027383
FormulaC37H31N3O4S
Mol. Weight613.7 g/mol
SMILESC1=CC=C(C=C1)NC2=CC=C(C=C2)C(=C3C=CC(=NC4=CC=CC=C4)C=C3)C5=CC=C(C=C5)NC6=CC=CC=C6.OS(=O)(=O)O

Data Sources

← Back to Dashboard← Back to Paper & Printing

Brief citations

C.I. Pigment Blue 61 (CAS 1324-76-1) https://chemicalindependence.com/chemical/1324-76-1/ EPA CompTox (DSSTox): DTXSID2027383. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID2027383 PubChem: 156614038. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/156614038 EPA Chemical Data Reporting: 1324-76-1. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 1324-76-1. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 320417 for CAS 1324-76-1. Reporting year: 2024. https://usatrade.census.gov/