Silicic acid

CAS 1343-98-2

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

US productionZero

Import value, 2024$66M

Import volumeCBI

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

Top sourceChina 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 281119 · basket

EPA reports by year

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

These shares come from HS customs code 281119, which covers 30 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).

CN 46%ChinaDE 17%GermanyMY 12%MalaysiaKR 5%South KoreaTW 5%Taiwan

Japan
Netherlands
Switzerland
Norway
Jordan
Italy
Czech Republic
United Kingdom

Why It Matters

Sectors

Paints & Coatings

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

•Solvent in Paint and Coating Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS1343-98-2

PubChem CID14942

DTXSIDDTXSID4042381

FormulaH4O4Si

Mol. Weight96.11 g/mol

SMILESO[Si](O)(O)O

Data Sources

EPA CompTox (DSSTox) · DTXSID4042381Retrieved 2026-04-06
PubChem · compound 14942Retrieved 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

Silicic acid (CAS 1343-98-2) https://chemicalindependence.com/chemical/1343-98-2/ EPA CompTox (DSSTox): DTXSID4042381. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID4042381 PubChem: 14942. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/14942 EPA Chemical Data Reporting: 1343-98-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 1343-98-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 281119 for CAS 1343-98-2. Reporting year: 2024. https://usatrade.census.gov/