Calcium metasilicate
U.S. production volumes are classified as confidential business information.
The EPA did not publish how much of this chemical companies made or imported, or marked that amount confidential. Without that volume, ACID cannot calculate import dependency.
Where It Comes From
Customs basis: HS 283990, 320649 · basket
These shares come from HS customs code 283990, 320649, which covers 52 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.
- Colombia
- Taiwan
- Portugal
- Brazil
- Romania
- Egypt
- Israel
- Turkey
- Slovakia
- Malaysia
- Ireland
- Switzerland
- Finland
- Denmark
- Poland
- South Africa
- United Arab Emirates
- Czech Republic
- Cyprus
- Greece
- Moldova
- Hong Kong
- Australia
- Slovenia
- Singapore
- New Zealand
- Indonesia
- Hungary
- Peru
- Pakistan
- Honduras
- Tunisia
Why It Matters
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
11 more vendors
| Vendor | Country Supplier country. Where available, shows shipping origin. When the supplier ships from a different country than where they are registered, both are shown. Most suppliers show registration country only. | $/g | Pack | Purity |
|---|---|---|---|---|
| Angene Chemical | China → Hong Kong | $0.03 | 500 g | 87% |
| A2B Chem LLC (2 weeks) | United States | $0.09 | 10 kg | — |
| AA BLOCKS (2 weeks) | United States | $0.09 | 10 kg | — |
| A2B Chem LLC | United States | $0.12 | 250 g | — |
| AA BLOCKS | United States | $0.15 | 250 g | — |
| AK Scientific, Inc. | United States | $0.29 | 500 g | — |
| Combi-Blocks, Inc. | United States | $0.30 | 500 g | 95% |
| Angene International Limited | United States | $0.52 | 500 g | — |
| Sigma-Aldrich (Rush Stock) | Germany | $2.15 | 250 g | 99% |
| Sigma-Aldrich | Germany | $2.15 | 250 g | 99% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 87% |
Chemical Identity
Data Sources
https://doi.org/10.23645/epacomptox.5588566
Archive: data/sources/comptox/dsstox_identifiers.csv
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/26370/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON
Archive: data/sources/pubchem_properties/26370.json
https://www.epa.gov/chemical-data-reporting
Archive: data/sources/epa_cdr/2020_cdr.csv
https://www.epa.gov/chemical-data-reporting
Archive: data/sources/epa_cdr/2020_cdr_industrial.csv