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Strontium 4-((4-chloro-5-methyl-2-sulphonatophenyl)azo)-3-hydroxy-2-naphthoate (1:1)

CAS 67828-72-2

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

Molecular structure of 67828-72-2
1 Sr²⁺
US productionCBI
Import value, 2024$419M
Import volumeZero
Top sourceIndia 31%

At least one company claimed its 2019 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: 2019. 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
2019
US production Confidential · Imports Zero

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
EPA-registered manufacturers (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—incorporation into formulation, mixture, or reaction product
  • •Pigment in Printing Ink ManufacturingProcessing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS67828-72-2
PubChem CID135666450
DTXSIDDTXSID7070682
FormulaC18H11ClN2O6SSr
Mol. Weight506.4 g/mol
SMILESCC1=CC(=C(C=C1Cl)S(=O)(=O)[O-])N=NC2=C(C(=CC3=CC=CC=C32)C(=O)O)[O-].[Sr+2]

Data Sources

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Brief citations

Strontium 4-((4-chloro-5-methyl-2-sulphonatophenyl)azo)-3-hydroxy-2-naphthoate (1:1) (CAS 67828-72-2) https://chemicalindependence.com/chemical/67828-72-2/ EPA CompTox (DSSTox): DTXSID7070682. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID7070682 PubChem: 135666450. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/135666450 EPA Chemical Data Reporting: 67828-72-2. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 67828-72-2. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 320417 for CAS 67828-72-2. Reporting year: 2024. https://usatrade.census.gov/