Zinc hydroxide

CAS 20427-58-1

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

H₂O₂Zn99.4 g/mol

no molecular structure to draw

US productionCBI

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

Import value, 2024$123M

Top sourceBrazil 32%

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 282590 · basket

EPA reports by year

2023: US production Confidential · Imports Confidential
2019: US production Confidential · Imports Confidential

These shares come from HS customs code 282590, which covers 34 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).

BR 32%BrazilTR 15%TurkeyCN 9%ChinaVN 8%VietnamKR 8%South Korea

Ireland
Mexico
Spain
Belgium
Switzerland
Trinidad and Tobago
Hong Kong

EPA-registered manufacturers (3)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

Befesa Holding Us

Seatex

Wilbur-Ellis Holdings Ii

Domestic parents -- activity not disclosed (2)

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

Blue Tree Holdings

Lanxess

Why It Matters

Sectors

AgricultureMetals & Mining

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 2 sectors as 1 functional role.

•Soil amendments (fertilizers) in Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
•Soil amendments (fertilizers) in Miscellaneous Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS20427-58-1

PubChem CID9812759

DTXSIDDTXSID7042516

FormulaH2O2Zn

Mol. Weight99.4 g/mol

SMILES[OH-].[OH-].[Zn+2]

Data Sources

EPA CompTox (DSSTox) · DTXSID7042516Retrieved 2026-04-06
PubChem · compound 9812759Retrieved 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

Zinc hydroxide (CAS 20427-58-1) https://chemicalindependence.com/chemical/20427-58-1/ EPA CompTox (DSSTox): DTXSID7042516. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID7042516 PubChem: 9812759. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/9812759 EPA Chemical Data Reporting: 20427-58-1. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 20427-58-1. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 282590 for CAS 20427-58-1. Reporting year: 2024. https://usatrade.census.gov/