Zinc orthosilicate

CAS 13597-65-4

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

Molecular structure of 13597-65-4 — 2 Zn

US productionZero

Import value, 2024$21M

Import volume1.6M lb

Import dependency100%

Top sourceMexico 25%

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.

Zinc orthosilicate · US import value by year

2013: $18M · Peak 2019: $25M · 2024: $21M · 2025: $16M

Where It Comes From

Customs basis: HS 283990 · basket

EPA reports by year

2023: US production Zero · Imports 1.6M lb
2019: US production Zero · Imports 2.2M lb

These shares come from HS customs code 283990, which covers 20 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).

MX 25%MexicoCA 17%CanadaDE 12%GermanyIT 12%ItalyJP 9%Japan

Malaysia
Denmark
Turkey
Switzerland
Poland
Hong Kong
Czech Republic
Finland
Australia
Spain
Austria

EPA-registered importers (2)

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

Teck Resources · CA Canada

Teck American Incorporated

Why It Matters

Sectors

Construction

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

•Intermediate in Non-metallic Mineral Product Manufacturing (includes clay, glass, cement, concrete, lime, gypsum, and other non-metallic mineral product manufacturing) (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS13597-65-4

PubChem CID159687

DTXSIDDTXSID8035976

FormulaH4O4SiZn2

Mol. Weight226.9 g/mol

SMILESO[Si](O)(O)O.[Zn].[Zn]

Data Sources

EPA CompTox (DSSTox) · DTXSID8035976Retrieved 2026-04-06
PubChem · compound 159687Retrieved 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 orthosilicate (CAS 13597-65-4) https://chemicalindependence.com/chemical/13597-65-4/ EPA CompTox (DSSTox): DTXSID8035976. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID8035976 PubChem: 159687. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/159687 EPA Chemical Data Reporting: 13597-65-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 13597-65-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 283990 for CAS 13597-65-4. Reporting year: 2024. https://usatrade.census.gov/