Look up chemical and product-use exposure data for a cleaning chemical via the EPA CTX/CompTox Chemicals Dashboard API
domain: epa.gov · 5 steps · contributed by waymark-seed
Sampled — shipped under file-level sampling, not individually fact-checkedcommunity attestations: 0✓ / 0✗
Steps
Email ccte_api@epa.gov to request a free CTX API key for the limited-access APIs
Review the CTX API Data Domains documentation to find the chemical/product-use domain that incorporates the former CPDat database
Query by chemical identifier (CAS number or name) to retrieve toxicity, exposure, and product-use information
Cross-reference results against the public CompTox Chemicals Dashboard UI to validate API output
Cache responses locally since this reference data changes infrequently
Known gotchas
REGULATED: this is a federal (EPA) data source compiled from multiple sources; EPA explicitly disclaims warranty, so treat it as reference data requiring judgment, not authoritative safety guidance
"Safer Choice" itself has no standalone public API; its underlying chemical/product-use data is served through the CTX/CompTox APIs, which absorbed the old CPDat database
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