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Chromium hydroxide sulfate (Cr(OH)(SO4))

CAS 12336-95-7

Used in 3 industrial sectors tracked by the EPA.

Molecular structure of 12336-95-7
1 Cr³⁺ · 1 OH⁻
US production37.9M lb
Import value, 2024$179M
Import volumeCBI
Top sourceMexico 46%

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 283329 · basket

EPA reports by year
2023
US production 37.9M lb · Imports Confidential
2019
US production 44.5M lb · Imports 4.2M lb

These shares come from HS customs code 283329, which covers 36 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
MX 46%MexicoCN 19%ChinaCA 11%CanadaIN 9%IndiaFI 4%Finland
EPA-registered manufacturers (2)
American Chrome & Chemicals
Macdermid
Domestic parents -- activity not disclosed (1)
Lanxess
EPA-registered importers (3)
Atotech Manufacturing
Columbia Chemical
Tannin

Why It Matters

Sectors
TextilesPaints & CoatingsCore Chemicals
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 4 sectors as 5 functional roles.

  • •Tanning agents not otherwise specified in Textiles, apparel, and leather manufacturing (100%)Processing as a reactant
  • •Plating agent in Paint and Coating Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
  • •Chelating agent in All Other Chemical Product and Preparation ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
  • •Plating agent in All Other Chemical Product and Preparation ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
  • •Etching agent in All Other Chemical Product and Preparation ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
  • •Pigment in All Other Basic Inorganic Chemical Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS12336-95-7
PubChem CID61561
DTXSIDDTXSID20892186
FormulaCrHO5S
Mol. Weight165.07 g/mol
SMILES[OH-].[O-]S(=O)(=O)[O-].[Cr+3]

Data Sources

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Brief citations

Chromium hydroxide sulfate (Cr(OH)(SO4)) (CAS 12336-95-7) https://chemicalindependence.com/chemical/12336-95-7/ EPA CompTox (DSSTox): DTXSID20892186. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID20892186 PubChem: 61561. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/61561 EPA Chemical Data Reporting: 12336-95-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 12336-95-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 283329 for CAS 12336-95-7. Reporting year: 2024. https://usatrade.census.gov/